Masahiro Yamashita
Masahiro Yamashita, Shiga JP
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20090075147 | Sulfonic acid group-containing polymer, method for producing the same, resin composition containing such sulfonic acid group-containing polymer, polymer electrolyte membrane, polymer electrolyte membrane/electrode assembly, and fuel cell - The present invention relates to a sulfonic acid group-containing polymer excellent in ion conductivity and durability, a method for producing the same, a resin composition containing the sulfonic acid group-containing polymer, a polymer electrolyte membrane, a polymer electrolyte membrane/electrode assembly, and a fuel cell. The sulfonic acid group-containing polymer of the present invention, in a first embodiment, includes a constituent represented by the following chemical formula 1: | 03-19-2009 |
20110065021 | Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, Application Thereof, and Method of Manufacturing Novel Block Copolymer - [Object] To provide a proton exchange membrane for a fuel cell having excellent proton conductivity, lower property of swelling with hot water, and excellent durability, as well as a block copolymer forming the proton exchange membrane, and a composition, a molded product, a fuel cell proton exchange membrane electrode assembly, and a fuel cell. | 03-17-2011 |
20120129076 | Novel Sulfonic Acid Group-Containing Segmented Block Copolymer and Use Thereof - Disclosed is a proton exchange membrane for use in fuel cells, which not only has improved proton conductivity and resistance to swelling caused by hot water but also has greater durability when used in a fuel cell, as well as a sulfonic acid group-containing segmented block copolymer constituting the proton exchange membrane, a membrane electrode assembly using the proton exchange membrane, and a fuel cell using the membrane electrode assembly. A sulfonic acid group-containing segmented block copolymer, which is a di- or multi-block copolymer including, within a molecule, at least one kind of hydrophilic segment and at least one kind of hydrophobic segment, a 0.5 g/dL solution thereof dissolved in N-methyl-2-pyrrolidone as a solvent showing a logarithmic viscosity measured at 30° C. in the range of 0.5 to 5.0 dL/g, wherein the copolymer has at least one kind of hydrophobic segment represented by Chemical Formula 1, the segment has a structure bound to a group represented by Chemical Formula 2, and the hydrophilic segment has at least one kind of structure represented by Chemical Formula 3 or Chemical Formula 3-2. | 05-24-2012 |
Masahiro Yamashita, Tokyo JP
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20100222309 | SKIN PROPERTY-IMPROVING THERAPEUTIC AGENT COMPRISING A MORPHINAN DERIVATIVE OR ANY OF ITS PHARMACOLOGICALLY PERMISSIBLE ACID ADDITION SALTS AS AN ACTIVE INGREDIENT - A skin property-improving therapeutic agent includes a compound having a specific morphinan skeleton typified by a compound 1 represented by the following formula (II) or any of its pharmacologically permissible acid addition salts as an active ingredient: | 09-02-2010 |
Masahiro Yamashita, Ohtsu-Shi JP
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20100055536 | METHOD FOR PRODUCING A POLYMER ELECTROLYTE MEMBRANE - The invention provides a method for producing a polymer electrolyte membrane including (A) a membrane formation step of forming a membrane-form product of an ionic group-containing polymer electrolyte on a support, (B) an acid treatment step of exchanging the ionic group into an acid type by bringing the membrane into contact with an inorganic acid-containing acidic liquid, (C) an acid removal step of removing a free acid in the acid-treated membrane, and (D) a drying step of drying the acid-removed membrane, wherein the steps (B) to (D) are carried out without separating the membrane from the support. | 03-04-2010 |
Masahiro Yamashita, Sodegaura-Shi JP
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20100029877 | SOLID CATALYST FOR OLEFIN POLYMERIZATION, OLEFIN POLYMERIZATION METHOD, AND OLEFIN POLYMER PARTICLE PRODUCED BY THE METHOD - An object of the present invention is to provide solid catalyst component for manufacturing an olefin polymer having an excellent particulate morphology without the concern of causing fouling, and a polymerization of olefin in the presence of said solid catalyst component. | 02-04-2010 |
Masahiro Yamashita, Otsu-Shi JP
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20090269643 | PROTON-CONDUCTING POLYMER COMPOSITION AND METHOD FOR PREPARATION THEREOF, CATALYST INK CONTAINING SAID PROTON-CONDUCTING POLYMER COMPOSITION AND FUEL CELL INCLUDING SAID CATALYST INK - A proton-conducting polymer composition which contains an aromatic hydrocarbon type of proton-conducting polymer in an amount of 1 to 30 mass %, wherein a component of said proton-conducting polymer having a molecular weight in the range of 2,000 to 230,000 in terms of polyethylene glycol accounts for 10 mass % or more of the total amount of said proton-conducting polymer; a method for preparing the proton-conducting polymer composition, a catalyst ink comprising the proton-conducting polymer composition and a fuel cell including the catalyst ink. The above proton-conducting polymer composition can well exploit the performance capability of a catalyst of a fuel cell, especially when it is allowed to be present with the electrode of a fuel cell. | 10-29-2009 |
Masahiro Yamashita, Hamamatsu-City JP
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20090186728 | Power transmission apparatus - A power transmission apparatus includes a pulley | 07-23-2009 |
20090258741 | Power transmission device - A power transmission device includes a pulley | 10-15-2009 |
Masahiro Yamashita, Matsumoto-Shi JP
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20090071937 | METHOD FOR MANUFACTURING FLUID EJECTING HEAD AND METHOD FOR MANUFACTURING FLUID EJECTING APPARATUS - A method for manufacturing a fluid ejecting head that includes a nozzle formation process in which a nozzle is formed in a nozzle substrate. The nozzle has a first concave portion and a smaller, corresponding second concave portion. The fluid ejecting head is assembled by combining the nozzle substrate, a cavity substrate, and an electrode substrate. As part of the method of manufacturing, an oxide-film etching process is performed in such a manner that a sidewall portion of a concave formed in an oxide film on the surface of a nozzle substrate has an inclined portion that has an angle of inclination that is obtained through isotropic etching and further that the depth-directional distance of the inclined portion is set at a value that is larger than that of the depth-directional distance of the oxide film that is etched in a subsequent oxide-film etching process. | 03-19-2009 |
Masahiro Yamashita, Kanagawa JP
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20110222132 | MOUNTING STRUCTURE OF A MOUNTED COMPONENT, LIGHT SCANNING DEVICE, AND IMAGE FORMING APPARATUS - There is provided a mounting structure of a mounted component, including: a holding member that holds a mounted component including a light source and of which position is adjusted within a plane substantially orthogonal to an optical axis of the light source; a shaft portion that projects from a side surface of a case body in which the light source is provided, in a direction along the optical axis of the light source; and a fixing member in which a contact portion coming into contact with the shaft portion is provided, wherein in a state in which the contact portion contacts the shaft portion, rotation of the fixing member is limited in an allowable range, and the fixing member is made to adhere to a surface of the holding member facing toward the fixing member in the direction along the optical axis, and is fixed to the shaft portion. | 09-15-2011 |
Masahiro Yamashita, Komaki-Shi JP
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20120247184 | GAS DETECTING APPARATUS AND GAS DETECTING METHOD - A gas detecting apparatus including: a heating resistor exposed to a detected atmosphere, and a control circuit for controlling the heating resistor at two different temperatures, wherein each output voltage from the heating resistor corresponding to the different temperatures is detected when the heating resistor is controlled to the different temperatures, and a state of a gas is obtained based on the detected output voltage. For example, two different offset voltages are set, each potential difference obtained by subtracting each of the offset voltages from corresponding detected output voltages is amplified and the state of the gas is obtained using the amplified potential differences. | 10-04-2012 |
20130298638 | COMBUSTIBLE GAS DETECTION DEVICE - A combustible gas detection device includes an energization control circuit which controls the switching of the energization state of a heat generation resistor every predetermined time period such that the heat generation resistor alternately has resistances corresponding to two predetermined temperatures, a temperature measurement resistor disposed on the same substrate on which the heat generation resistor is disposed, where its resistance changes with the environmental temperature, a gas concentration computation section which calculates the combustible gas concentration by using a voltage generated across the heat generation resistor which is detected when electricity is supplied to the heat generation resistor and the environmental temperature based on a voltage change caused by a change in the resistance of the temperature measurement resistor. The predetermined time period is such that a change in the environmental temperature which occurs when the energization control circuit switches the energization state, falls within a range of 0.5° C. | 11-14-2013 |
20140053631 | GAS DETECTION APPARATUS AND GAS DETECTION METHOD - A gas detection apparatus includes: a heating resistor; and an energization control unit which alternately switches a temperature of the heating resistor to two different temperatures. The gas detection apparatus calculates a density of combustible gas contained in the atmosphere using a heating resistor voltage in a high temperature period and a heating resistor voltage in a low temperature period; acquires three or more values of the heating resistor voltage in each target period; obtains a first average value of the values of the heating resistor voltage obtained in the target period of the high temperature period; obtains a second average value of the values of the heating resistor voltage obtained in the target period of the low temperature period; and uses the first and second average values for a calculation of density of the combustible gas. | 02-27-2014 |
Masahiro Yamashita, Chiba-Shi JP
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20120283399 | PROCESS FOR PRODUCING SYNDIOTACTIC alpha-OLEFIN POLYMER - A process for producing a syndiotactic α-olefin polymer having high racemic diad fraction and high molecular weight with excellent polymerization activity through a method permitting high-temperature polymerization. The production process comprises polymerizing a monomer that comprises at least one C3-10 α-olefin and a small amount of ethylene, in the presence of an olefin polymerization catalyst comprising a transition metal compound (A) represented by the general formula [1], at least one compound (B) selected from an organoaluminum oxy-compound (b-1), a compound (b-2) that reacts with the transition metal compound (A) to form an ion pair and an organoaluminum compound (b-3), which process for producing a syndiotactic α-olefin polymer satisfies the relationship: 0.001≦P | 11-08-2012 |
20150045523 | METHOD FOR PRODUCING OLEFIN POLYMER - [Object] There is provided a method which enables an olefin polymer having high melting point and high molecular weight to be produced even at high temperature proper in an industrial production process. [Solution] A method for producing an olefin polymer is provided, the method including polymerizing an olefin having two or more carbon atoms in the presence of a catalyst for olefin polymerization, wherein the catalyst for olefin polymerization includes (A) a bridged metallocene compound represented by Formula [1] and (B) at least one compound selected from, for example, an organoaluminum oxy-compound and an organoaluminum compound: | 02-12-2015 |
Masahiro Yamashita, Kawasaki-Shi JP
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20120306738 | IMAGE PROCESSING APPARATUS CAPABLE OF DISPLAYING OPERATION ITEM, METHOD OF CONTROLLING THE SAME, IMAGE PICKUP APPARATUS, AND STORAGE MEDIUM - An image processing apparatus which is capable of preventing the display of an operation item, such as an icon, from hindering user's viewing an image which the user desires to view. A distance and position-detecting section and a system controller detect a distance between a screen and an operation element. The system controller displays at least one operation candidate item on the screen when the detected distance becomes not larger than a first threshold distance. Further, when the detected distance becomes not larger than the first predetermined threshold distance, the system controller changes a display form of the operation candidate item depending on the detected distance and displays the operation candidate item as an operable item. | 12-06-2012 |
20140078372 | IMAGE DISPLAY DEVICE THAT DISPLAYS IMAGE AND DISPLAY BODIES SPECIFYING IMAGE'S PARTICULAR REGIONS, CONTROL METHOD AND STORAGE MEDIUM THEREFOR, AND IMAGE PICKUP APPARATUS - An image display device capable of providing satisfactory user's visibility of an image including object images when the image and display bodies specifying particular regions of the object images are screen displayed. In a case where a horizontal direction distance between face detection frames for object images adjacent on a screen is equal to or less than a first threshold value and a vertical direction distance between face detection frames exceeds a second threshold value, a system controller of the image display device determines which one of the face detection frames is located on an upper side of the screen. A human body detection frame for the object image corresponding to the face detection frame determined as being located on an upper side on the screen is made non-display. | 03-20-2014 |
20150116775 | IMAGE PROCESSING APPARATUS CAPABLE OF DISPLAYING OPERATION ITEM, METHOD OF CONTROLLING THE SAME, IMAGE PICKUP APPARATUS, AND STORAGE MEDIUM - An image processing apparatus which is capable of preventing the display of an operation item, such as an icon, from hindering user's viewing an image which the user desires to view. A distance and position-detecting section and a system controller detect a distance between a screen and an operation element. The system controller displays at least one operation candidate item on the screen when the detected distance becomes not larger than a first threshold distance. Further, when the detected distance becomes not larger than the first predetermined threshold distance, the system controller changes a display form of the operation candidate item depending on the detected distance and displays the operation candidate item as an operable item. | 04-30-2015 |
Masahiro Yamashita, Komaki JP
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20150153294 | GAS DETECTOR - A gas detector includes a gas detection element having a protection layer formed of an oxide film mainly containing tantalum oxide (Ta | 06-04-2015 |
20150226688 | GAS DETECTOR - A gas detector includes a detecting element, a circuit board, a housing case having a gas introduction hole, and a metal member which covers the gas introduction hole. The detecting element is disposed under the metal member. The gas detector further includes a detecting element wiring fusing prevention member which is electrically conductive and is electrically connected to a grounding line of the circuit board. The detecting element wiring fusing prevention member is disposed at a position such that the shortest distance between the metal member and the detecting element wiring fusing prevention member is smaller than that between the metal member and the detecting element. | 08-13-2015 |
Masahiro Yamashita, Chiba-Shi, Chiba JP
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20160039952 | PRODUCTION METHOD OF OLEFIN POLYMER AND OLEFIN POLYMERIZATION CATALYST - To provide a method of efficiently affording olefin polymers having a high molecular weight and a high melting point even under industrially advantageous high-temperature conditions. A production method of an olefin polymer to solve the above problem includes polymerizing monomer(s) including at least one α-olefin having 3 or more carbon atoms at 50° C. to 200° C. in the presence of an olefin polymerization catalyst including; (A) a crosslinked metallocene compound represented by General Formula [I] below; and (B) at least one compound selected from (b-1) an organoaluminum oxy-compound, (b-2) a compound that forms an ion pair by reacting with the crosslinked metallocene compound (A), and (b-3) an organoalunimum compound. | 02-11-2016 |