Patent application number | Description | Published |
20080241871 | Luminescence measuring apparatus - The present invention provides a luminescence measuring method that can be accurately and quickly carried out while inhibiting a possible background associated with viable bacteria adhering to a nozzle or Adenosine Tri Phosphate remaining in the nozzle, and an apparatus for the method. The present invention uses a washing apparatus characterized by including a nozzle, a lysys solution, a luminescence reagent solution, and a detection section, as well as a relevant washing method and a relevant luminescence measuring method. To remove viable bacteria adhering to the nozzle, the nozzle is immersed in the lysys solution and then in the luminescence reagent solution. The detection section monitors luminescence occurring during a washing process. | 10-02-2008 |
20090018177 | Propane-1,3-Dione Derivative or Salt Thereof - Compounds useful as GnRH receptor antagonists are provided. The present inventors have further examined propane-1,3-dione derivatives and confirmed as a result that a propane-1,3-dione having 2-(1,3-dihydro-2H-benzimidazol-2-ylidene), or a compound which has benzene or thiophene ring substituted with a group derived from 1-hydroxymethyl, shows excellent availability, in addition to its excellent GnRH receptor antagonism, thereby accomplishing the invention. Since the compound of the invention shows excellent availability, in addition to its strong GnRH receptor antagonism, it can be expected that it exerts superior drug effect in the living body, and it is useful for the treatment of sex hormone dependent diseases such as prostate cancer, breast cancer, endometriosis, uterine leiomyoma, benign prostatic hypertrophy and the like. In addition, since the compound of the invention is excellent in metabolic stability in human and also is less in drug interaction, it has more desirable properties as a medicament to be used for the aforementioned diseases. | 01-15-2009 |
20090181964 | Propane-1,3-Dione Derivative or Salt Thereof - It is intended to provide a compound useful as a GnRH receptor antagonist. The inventors further investigated propane-1,3-dione derivatives. As a result, they confirmed that a compound having a benzene ring or a thiophene ring substituted with a group represented by —SO | 07-16-2009 |
20100190826 | BENZIMIDAZOLE DERIVATIVE - Provided is a novel and excellent method for treating and/or preventing benign prostatic hyperplasia, prostate cancer, and the like based on selective inhibitory activity against 17βHSD type 5. It was found that an indole or benzimidazole derivative, where a nitrogen atom of the indole ring or benzimidazole ring is substituted with a phenyl group substituted with COOH, has a potent selective inhibitory activity against 17βHSD type 5 and may become an agent for treating and/or an agent for preventing a disease associated with 17βHSD type 5, such as benign prostatic hyperplasia, prostate cancer and the like, without accompanying adverse effects due to a decrease in testosterone; and the present invention has thus been completed. | 07-29-2010 |
20110071146 | 17BetaHSD Type 5 Inhibitor - To provide a novel and excellent method for treating and/or preventing prostatic cancer, benign prostatic hyperplasia, acne, seborrhea, hirsutism, baldness, alopecia, precocious puberty, adrenal hypertrophy, polycystic ovary syndrome, breast cancer, lung cancer, endometriosis, leiomyoma and the like based on selective inhibitory activity against 17βHSD type 5. | 03-24-2011 |
20110104007 | AUTOMATIC ANALYZING DEVICE - A reaction solution is mixed in a short period of time with excellent stir efficiency. A stir rod | 05-05-2011 |
20130197009 | ANTAGONIST FOR MUTANT ANDROGEN RECEPTOR - [Problem] An object of the present invention is to provide a novel anticancer drug which is useful for treating prostate cancer accompanying androgen receptor mutation | 08-01-2013 |
20140093426 | AUTOMATIC ANALYTICAL DEVICE AND METHOD - The device uses a dispensing probe; a dispensing probe drive mechanism having at least one rotation drive shaft as a horizontal drive mechanism for the dispensing probe, a positioning member with a portion, which is contacted by the dispensing probe during positioning, is formed in a circular shape; a contact detection mechanism for detecting contact between the dispensing probe and the positioning member, and a control unit. The control unit drive-controls only one drive shaft into contact with the circular portion of the positioning member, and then drive-controls only one drive shaft other than the previously drive-controlled shaft into contact with the circular portion of the positioning member, and then calculates position information on a center point at a desired position where the dispensing probe is to be positioned, on the basis of position information on each point at which the contact has been detected, or the like. | 04-03-2014 |
Patent application number | Description | Published |
20100165328 | APPARATUS AND METHOD FOR MEASURING CHROMATIC DISPERSION - Highly accurate measurement of chromatic dispersions of a device under test that is an optical component is enabled with a simple structure comprising: propagating pump light having a wavelength λ | 07-01-2010 |
20100209101 | APPARATUS AND METHOD FOR MEASURING CHROMATIC DISPERSION - The chromatic dispersion of an optical component is measured with high accuracy using a simple set-up, which includes a pump light source, a probe light source, and a measuring means. Pump light having a wavelength λ | 08-19-2010 |
20100247093 | CUTOFF WAVELENGTH MEASURING METHOD AND OPTICAL COMMUNICATION SYSTEM - A method includes a first step of joining a multimode fiber to a first end of an optical fiber being a specimen, allowing light to propagate from the multimode fiber to the specimen, measuring an intensity of light from a second end of the specimen, and determining a first power spectrum; a second step of joining the multimode fiber to a first end of a reference fiber having bending loss higher than that of the specimen, allowing light to propagate from the multimode fiber to the reference fiber, measuring an intensity of light from a second end of the reference fiber, and determining a second power spectrum; a third step of determining a difference spectrum by subtracting the second power spectrum from the first power spectrum; and a fourth step of determining a higher-order mode cutoff wavelength of the specimen on the basis of a shape of the difference spectrum. | 09-30-2010 |
20100284658 | Optical fiber, optical transmission line, optical module, and optical transmission system - The present invention relates to an optical fiber which has a structure for further increasing an FOM (=|dispersion|/loss) and which can be applied to a dispersion compensation module. The optical fiber is mainly composed of silica glass and has a core region including a center of an optical axis, a depressed region surrounding the core region, a ring region surrounding the depressed region, and a cladding region surrounding the ring region and doped with F. As compared with the refractive index of pure silica glass, a relative refractive index difference of the core region is greater than 2% but less than 3%, a relative refractive index difference of the depressed region is −1% or more but −0.5% or less, a relative refractive index difference of the ring region is 0.01% or more but 0.24% or less, and a relative refractive index difference of the cladding region is −0.3% or more but −0.1% or less. The FOM at the wavelength of 1550 nm is 250 ps/nm/dB or more. | 11-11-2010 |
20110052119 | FIBER OPTIC DEVICE - A fiber optic device outputs, at high conversion efficiency, an idler lightwave having a wavelength λ | 03-03-2011 |
20110085768 | OPTICAL FIBER AND METHOD OF MANUFACTURING OPTICAL FIBER - An optical fiber having excellent strength that can be manufactured at low cost, as well as a method for making such optical fiber, is provided. An optical fiber | 04-14-2011 |
20110211788 | OPTICAL FIBER AND OPTICAL COMMUNICATION SYSTEM INCLUDING SAME - The invention relates to an optical fiber employable in an optical communication system using Raman amplification and adapted to improve OSNR and suppress bending loss at the same time, and the like. The optical fiber is a silica-based optical fiber having a depressed refractive index profile constituted by at least a core, an inner cladding having a low refractive index, and an outer cladding, an effective area A | 09-01-2011 |
20120189262 | OPTICAL FIBER PREFORM, OPTICAL FIBER, AND METHOD OF MANUFACTURING OPTICAL FIBER PREFORM - An optical fiber preform includes a core portion, in which the core portion includes an alkali-metal-doped core glass portion doped with an alkali metal, the maximum concentration of oxygen molecules in the core portion is 30 mol ppb or more, and the average concentration of the alkali metal in the core portion is 5 atomic ppm or more. A method of manufacturing an optical fiber preform includes an alkali-metal-doping step of doping a pipe composed of silica-based glass with an alkali metal, an oxygen-molecule-doping step of doping the glass pipe with oxygen molecules, and a collapsing step of collapsing the glass pipe by heating the glass pipe, in which the optical fiber preform is manufactured. | 07-26-2012 |
20120192593 | METHOD FOR PRODUCING OPTICAL FIBER PREFORM - There is provided a method for producing an optical fiber preform used in producing an optical fiber having low attenuation. The production method includes (1) a rod formation step of forming a glass rod of a silica glass containing an alkali metal element, the average concentration of the alkali metal element being 5 at·ppm or more, (2) a heat treatment step of heat-treating the glass rod, (3) a core part formation step of forming an alkali metal element-free silica glass layer having a chlorine concentration of 6000 at·ppm or more around the perimeter of the glass rod heat-treated in the heat treatment step to form a core part including the glass rod and the silica glass layer, and (4) a cladding part formation step of forming a cladding part of a silica-based glass having a lower refractive index than the core part around the perimeter of the core part. | 08-02-2012 |
20120198891 | METHOD FOR PRODUCING OPTICAL FIBER PREFORM - A method for producing an optical fiber preform according to the present invention includes a collapse step of collapsing a silica-based glass tube by heating with a heat source continuously traversed in the longitudinal direction of the glass tube to form a first glass rod to be formed into a core part or part of a core part of an optical fiber, the glass tube having an inner surface doped with an alkali metal, in which the glass tube has a maximum alkali metal concentration of 500 to 20,000 atomic ppm, a maximum chlorine concentration of 0 to 1000 atomic ppm, and a maximum fluorine concentration of 0 to 10,000 atomic ppm, and in which in the collapse step, the maximum temperature of the outer surface of the glass tube is 2000° C. to 2250° C., and the traverse speed of the heat source is 30 mm/min to 100 mm/min. | 08-09-2012 |
20120198892 | METHOD FOR PRODUCING OPTICAL FIBER PREFORM - A method for producing an optical fiber preform according to the present invention includes an etching step of heating a silica-based glass tube using a heat source continuously traversed in the longitudinal direction of the glass tube to etch the inner surface portion of the glass tube containing impurities while an etching gas is allowed to flow into the glass tube. The glass tube has a maximum alkali metal concentration of 500 to 20,000 atomic ppm, a maximum chlorine concentration of 0 to 1000 atomic ppm, and a maximum fluorine concentration of 0 to 10,000 atomic ppm. In the etching step, the maximum temperature of the outer surface of the glass tube is in the range of 1900° C. to 2250° C., and the heating time is set to a time equal to or less than a time (min) given by | 08-09-2012 |
20120263427 | OPTICAL FIBER AND OPTICAL FIBER PREFORM - An optical fiber preform has a core portion having a first core portion including a central axis, a second core portion disposed around the first core portion, and a third core portion disposed around the second core portion. The first core portion contains 10 atomic ppm or more of an alkali metal and 10 to 600 atomic ppm of chlorine, the second core portion contains 10 atomic ppm or less of the alkali metal and 10 to 600 atomic ppm of chlorine, and the third core portion contains 10 atomic ppm or less of the alkali metal and 2,000 atomic ppm or more of chlorine. An optical fiber has a core region doped with an alkali metal and chlorine, wherein the minimum concentration of chlorine in the core region is 1,000 atomic ppm or more, and the average concentration of the alkali metal therein is 0.2 atomic ppm or more. | 10-18-2012 |
20120321261 | METHOD FOR PRODUCING OPTICAL FIBER - There is provided a method for producing an optical fiber having low attenuation, the optical fiber including a core that contains an alkali metal element. An optical fiber preform that includes a core part and a cladding part is drawn with a drawing apparatus to form an optical fiber, the core part having an average concentration of an alkali metal element of 5 atomic ppm or more. During the drawing, the time the temperature of glass is maintained at 1500° C. or higher is 110 minutes or less. The drawing speed is preferably 1200 m/min or more and more preferably 1500 m/min to 2300 m/min. The optical fiber preform preferably has a diameter of 70 mm to 170 mm and more preferably 90 mm to 150 mm. | 12-20-2012 |
20130034654 | METHOD FOR MAKING AN OPTICAL FIBER PREFORM - A method for the manufacture of an optical fiber preform for producing a low attenuation optical fiber with high yield, comprising preparing a core rod and adding a cladding region. At the step of preparing a core rod, the core rod is produced including a first core region with Cl density of less than 600 atm-ppm, a second core region with Cl density of less than 600 atm-ppm around the first core region, and a third core region with Cl density of 3000 atm-ppm or more around the second core region. An alkali metal is selectively added to the first core region among the first, second, and third core regions. A cladding region is formed around the core rod by heating at a temperature of 1200° C. or higher for 7 hours or less. | 02-07-2013 |
20130077925 | OPTICAL FIBER - An optical fiber includes a core section and a cladding section. A k value expressed by k=4Aeff/(πMFD | 03-28-2013 |
20130188917 | OPTICAL FIBER AND OPTICAL FIBER PREFORM - An optical fiber containing an alkali metal element and exhibiting low attenuation as well as excellent radiation resistance is provided. The optical fiber of the present invention has a core region and a cladding region enclosing the core region. The core region contains alkali metal elements by an average concentration of 0.2 atomic ppm or more. The attenuation at a wavelength of 1550 nm after irradiating with the radiation of 0.10 Gy or more of cumulative absorbed dose increases by 0.02 dB/km or less as compared with the attenuation exhibited prior to radiation exposure. | 07-25-2013 |
20140127507 | METHOD FOR MANUFACTURING OPTICAL FIBER BASE MATERIAL, AND OPTICAL FIBER - A method for making a high quality optical fiber preform includes: thermally defusing the alkali metal element into the inner side of a silica glass pipe by heating the glass pipe from the outside by a heat source while vapors of alkali metal salt generated by heating an alkali metal salt is supplied to the inside of the glass pipe from an end thereof; collapsing the glass pipe for forming a core rod; and adding a cladding part around the circumference of the core rod. At the start of the thermal diffusion, the alkali metal salt is heated at a temperature for making the vapor pressure of the alkali metal salt to be 0.1 kPa or less, and thereafter the alkali metal salt is heated up to a temperature for making the vapor pressure of the alkali metal salt to be larger than 0.1 kPa. | 05-08-2014 |
20140137604 | OPTICAL FIBER AND METHOD OF MANUFACTURING OPTICAL FIBER - An optical fiber having excellent strength that can be manufactured at low cost, as well as a method for making such optical fiber, is provided. An optical fiber | 05-22-2014 |
20140254997 | OPTICAL FIBER PREFORM, METHOD FOR PRODUCING OPTICAL FIBER, AND OPTICAL FIBER - An easily producible optical fiber preform which is drawn to an optical fiber having a core containing a sufficient concentration of alkali metal is provided. An optical fiber preform | 09-11-2014 |
20140370287 | METHOD FOR PRODUCING OPTICAL FIBER PREFORM, OPTICAL FIBER PREFORM, AND OPTICAL FIBER - An optical fiber preform producing method is a method for producing an optical fiber preform including a core part and a cladding part and being composed of silica-based glass, which has: an alkali metal adding step of adding an alkali metal in a maximum concentration of not less than 500 ppm in the vicinity of an inner surface of a glass pipe composed of silica glass; an etching step of etching the inner surface of the glass pipe by vapor phase etching under flow of SF | 12-18-2014 |
20150027170 | METHOD FOR PRODUCING OPTICAL FIBER - Provided is a method for producing an optical fiber having low attenuation and including a core that contains an alkali metal element. An optical fiber preform that includes a core part and a cladding part is drawn with a drawing apparatus | 01-29-2015 |
20150063824 | OPTICAL FIBER TRANSMISSION LINE - An optical fiber transmission line capable of minimizing the total splice loss per one span thereof. One span of an optical fiber transmission line provided between repeaters has two connection fibers and (N+1) number of optical transmission fibers. The optical connection fibers and are single mode optical fibers (SSMF) based on International standard ITU-T G.652 standard. (N+1) number of the optical transmission fibers are connected in series in order between the two optical connection fibers. The total splice loss α | 03-05-2015 |
Patent application number | Description | Published |
20080212091 | Light source unit and spectrum analyzer - A light source unit and a spectrum analyzer are provided in which the influence of interference can be reduced under conditions where light is separated into spectral components. A spectrum analyzer | 09-04-2008 |
20080252880 | Device for inspecting hollow-body cavity - Provided is a hollow-body cavity inspection device for inspecting a hollow-body cavity filled with a limited-wavelength transparent medium. The hollow-body cavity inspection device is capable of multifunction in addition to acquisition of an image and comprises: (1) one or more light sources for emitting two or more inspection light beams of different characteristics; (2) a light transmitting member for transmitting the two or more inspection light beams to an inspection objective in a hollow-body cavity and transmitting the reflected/scattered light from the inspection objective to the outside of the hollow-body; and (3) an inspection data formation means for receiving the reflected/scattered light and forming inspection information therefrom, wherein the two or more inspection light beams include first inspection light having its main wavelength bandwidth at the transmittable wavelength band, and the inspection data formation means comprises a plurality of means for outputting inspection information differing according to each of the two or more inspection light beams. | 10-16-2008 |
20090129409 | Optical Fiber and Broadband Light Source - An optical fiber and a broadband light source that can generate SC light having a broader bandwidth. A broadband light source | 05-21-2009 |
20090152475 | Analyzer, Authenticity Judging Device, Authenticity Judging Method, and Underground Searching Method - The present invention relates to an analyzing apparatus and the like having a structure for enabling spectrometry and the like up to a longer frequency region while being excellent in practicality. The analyzing apparatus comprises a light source section and a light-detecting section. The light source section includes a seed light source emitting laser light, and a solid highly nonlinear optical fiber generating SC light in response to the input of the laser light, and thereby emitting the SC light as irradiation light to an object. The light-detecting section detects light to be detected from the object irradiated with the irradiation light. Here, the seed light source in the light source section emits pulsed light having a center wavelength within the range of 1.3 μm to 1.8 μm. | 06-18-2009 |
20100064733 | GLASS TUBE PROCESSING METHOD, APPARATUS AND GLASS TUBE - In a glass processing method according to the invention, in the case of performing chemical vapor deposition or diameter shrinkage of a substrate glass tube G by relatively moving a heating furnace | 03-18-2010 |
20100236289 | GLASS TUBE PROCESSING METHOD, APPARATUS AND GLASS TUBE - In a glass processing method according to the invention, in the case of performing chemical vapor deposition or diameter shrinkage of a substrate glass tube G by relatively moving a heating furnace | 09-23-2010 |
20110208878 | SEMICONDUCTOR DEVICE AND DATA PROCESSING SYSTEM - There is provided a semiconductor device having a reduced number of external terminals allocated for address input to receive access from outside, while realizing a high-speed response to an access from outside. | 08-25-2011 |
20130073831 | SEMICONDUCTOR DEVICE AND DATA PROCESSING SYSTEM HAVING A REDUCED NUMBER OF TERMINALS ALLOCATED FOR EXTERNALLY ACCESSED ADDRESS - There is provided a semiconductor device having a reduced number of external terminals allocated for address input to receive access from outside, while realizing a high-speed response to an access from outside. The semiconductor device employs, in order to allow other external devices to directly access resources it possesses in its own address space, in an external interface circuit, external terminals which input a part of the address signal required for access from outside, a supplementary register which supplements the upper portion of address information that has been input from the external terminals, a mode register accessible from outside, and an address control circuit which generates an address signal to access the address space in a form based on information input from the external terminals, required supplementary information, and mode information of the mode register. | 03-21-2013 |
20130346634 | SEMICONDUCTOR DEVICE AND DATA PROCESSING SYSTEM - There is provided a semiconductor device having a reduced number of external terminals allocated for address input to receive access from outside, while realizing a high-speed response to an access from outside. | 12-26-2013 |