Ohgi, JP
Hiroyuki Ohgi, Ibaraki JP
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20100035158 | POLYMER ELECTROLYTE, ELECTROCHEMICAL DEVICE, AND ACTUATOR ELEMENT - A polymer electrolyte which comprises an ionic liquid (A) and a block copolymer (B) as essential ingredients, which block copolymer (B) comprises one or more of polymer block(s) (P) being compatible with (A) and one or more of polymer block(s) (Q) being incompatible with (A). (A) and (P) mutually dissolve each other to form one phase (X), and (Q) forms a phase (Y) being incompatible with phase (X), and phase (X) and phase (Y) are mutually micro phase separated. The polymer electrolyte of the present invention shows practical ion conductivity, is excellent in retention of ionic liquid, and moreover, is also excellent in heat resistance and mechanical strength. Furthermore, the electrochemical device and actuator element of the invention are swiftly displaced in accordance with application of a voltage, and can be actuated stably for a long period due to the liquid-retaining property and mechanical strength of the polymer electrolyte used, and, therefore, can suitably be used in the fields of medical instruments, micro-machines, industrial robot, personal robot, etc. | 02-11-2010 |
20100098997 | POLYMER ELECTROLYTE MEMBRANE AND PROCESS FOR PREPARATION THEREOF, AND MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A polymer electrolyte membrane comprising as a main ingredient a block copolymer (P) which comprises, as its constituents, a vinyl alcoholic polymer block (A) and a polymer block (B) having ion-conducting groups, which block copolymer | 04-22-2010 |
20100159353 | POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - Disclosed are: a polymer electrolyte which comprises, as the main component, a block/graft copolymer comprising, as constituent components, polymer blocks (A), (B) and (C) which cause phase-separation from one another, wherein the polymer block (A) comprises a vinyl compound unit as the main repeating unit and has an ion-conductive group, the polymer block (B) comprises a vinyl compound unit capable of forming a flexible phase as the main repeating unit and forms a flexible phase, and the polymer block (C) comprises a styrene derivative unit carrying an alicyclic hydrocarbon group having a polycyclic structure as the main repeating unit and forms a restrained phase; a membrane; a membrane-electrode assembly; and a solid polymer fuel cell. The polymer electrolyte has excellent durability and heat resistance, and shows little change in properties, such as the change in dimension between a dried state and a wet state, the change in mechanical properties and the change in methanol cross-over before and after the immersion in a methanol solution. The polymer electrolyte can be used stably in a solid polymer fuel cell during the long-term operation of the solid polymer fuel cell and enables excellent start-up performance of the solid polymer fuel cell. | 06-24-2010 |
20100323269 | CATALYST LAYER AND PREPARATION PROCESS THEREOF, AND MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE CATALYST LAYER - In a membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, at least one catalyst layer constituting the gas diffusion electrodes characterized in that the ion-conductive binder comprises a block copolymer having a particle size of 1 μm or less comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both polymer blocks phase separate from each other, polymer block (A) forms a continuous phase, and the contact parts of the block copolymer with catalyst particles are comprised of polymer block (A) having ion-conductive groups; a membrane-electrode assembly and a polymer electrolyte fuel cell. | 12-23-2010 |
Hiroyuki Ohgi, Okayama JP
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20100310965 | MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, in which assembly each gas diffusion electrode is comprised of an electrode catalyst layer and a gas diffusion layer, intermediate layer(s) being an ion conductor is/are arranged between the electrode catalyst layer(s) and the membrane, the ion conductor mainly comprises a block copolymer comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both blocks phase-separate from each other, (A) forms a continuous phase, and the contact part(s) of the intermediate layer(s) with the polymer electrolyte membrane and the contact part(s) of the intermediate layer(s) with the electrode catalyst layer(s) are comprised of polymer block (A) having ion-conductive groups; and a polymer electrolyte fuel cell wherein the assembly is used. By the invention, a membrane-electrode assembly and a fuel cell are provided which are economical, environment-friendly, good in moldability, and small in interface resistance and excellent in power generation efficiency. | 12-09-2010 |
20110124830 | HYDROGENATED BETA-PINENE-BASED POLYMERS AND MOLDED ARTICLES COMPRISING THE SAME - The present invention provides hydrogenated β-pinene-based polymers with excellent heat resistance and light resistance, low absorptivity and high transparency, as well as molded articles thereof. The polymers of the present invention contain 50% by mass or more of β-pinene units and are hydrogenated β-pinene-based polymers where the ratio of the proton integral value at 6 to 8 ppm to the total proton integral value in a | 05-26-2011 |
20110237796 | METAL COMPLEX AND MANUFACTURING METHOD THEREFOR - Disclosed is a metal complex that can be used as a gas absorption material with superior gas absorbing properties, a gas storage material with a high storage capacity, and a gas separation material with superior gas separation performance and high adsorption capacity. Disclosed is a metal complex, and a manufacturing method therefor, which consists of: a polycyclic aromatic dihydroxy monocarboxylic acid compound, in the structural formula of which hydroxyl groups are at the farthest locations from each other, which has carboxyl groups at the locations adjacent to the hydroxyl groups, and which has 10 or more circularly conjugated it electrons, such as 3,7-dihydorxy-2-naphtoic acid or 4,4′-dihydroxy-3-biphenylcaroxylic acid; at least one metal selected from chromium, molybdenum, tungsten, manganese, iron, ruthenium, cobalt, rhodium, nickel, palladium, copper, zinc, and cadmium; and an organic ligand, such as 4,4′-bipyridyl, capable of bidentate bonding with said metal. | 09-29-2011 |
Hiroyuki Ohgi, Kurashiki-Shi JP
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20120199816 | PHOTOELECTRIC CONVERSION DEVICE AND METHOD OF MANUFACTURING THE SAME - A photoelectric conversion device according to the present invention includes, between a pair of electrodes, an electron donor layer having an interdigitated shape in cross section comprising a stripe-like part in cross section and a base, a plurality of strip-like parts in cross section extending in a direction intersecting electrode main surfaces being formed at intervals in the stripe-like part in cross section; and an electron acceptor layer having an interdigitated shape in cross section comprising a stripe-like part in cross section and a base, a plurality of strip-like parts in cross section extending in a direction intersecting the electrode main surfaces being formed at intervals in the stripe-like part in cross section, the photoelectric conversion device further including an active layer in which the plurality of strip-like parts in cross section of the electron donor layer and the plurality of strip-like parts in cross section of the electron acceptor layer are alternately joined. A stripe width a of the stripe-like part in cross section of the electron donor layer and a stripe width b of the stripe-like part in cross section of the electron acceptor layer are both 5 to 100 nm. When a=b, a thickness c of the active layer is twice to 40 times as large as a (=b). When a≠b, the thickness c of the active layer is twice or more of one of a and b which is smaller and 40 times or less of one of a and b which is larger. | 08-09-2012 |
Kazuyuki Ohgi, Yokohama-Shi JP
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20120099160 | DOCUMENT READING DEVICE AND IMAGE FORMING APPARATUS - A document reading device includes: a document reading device main body; and an opening/closing body with one end supported rotatably with respect to the document reading device main body while another end openably/closably provided, the other end of the opening/closing body being provided with a handgrip having a depression sloped toward inside of the opening/closing body in accordance with approach of the opening/closing body to the document reading device main body in a closed status with respect to the document reading device main body. | 04-26-2012 |
20120099888 | IMAGE FORMING APPARATUS AND OPENING/CLOSING DEVICE - An image forming apparatus includes: an image forming apparatus main body; an ejection portion; a structure; a mounting mechanism; and a supporting member. The image forming apparatus main body has a cutout continuous with a space, the cutout being formed in such a manner as to straddle a surface of the image forming apparatus main body on a side thereof on which a recording medium is retrieved from the ejection portion and a surface of the image forming apparatus main body on one side thereof in a direction of a rotary shaft. An end of the supporting member being located at a position more distant than one end from the surface of the image forming apparatus main body on the side thereof on which the recording medium is retrieved from the ejection portion, in a state in which the structure is located in a second position. | 04-26-2012 |
20150055194 | DOCUMENT READING DEVICE AND IMAGE FORMING APPARATUS - A document reading device includes: a document reading device main body; and an opening/closing body with one end supported rotatably with respect to the document reading device main body while another end openably/closably provided, the other end of the opening/closing body being provided with a handgrip having a depression sloped toward inside of the opening/closing body in accordance with approach of the opening/closing body to the document reading device main body in a closed status with respect to the document reading device main body. | 02-26-2015 |
Tadaaki Ohgi, Kurume-Shi JP
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20140329886 | SINGLE-STRANDED NUCLEIC ACID MOLECULE HAVING AMINO ACID BACKBONE - The invention provides a single-stranded nucleic acid molecule containing an expression inhibitory sequence that inhibits expression of a target gene, region (X), linker region (Lx), and region (Xc), wherein the linker region (Lx) is linked between the region (Xc) and the region (Xc), the region (Xc) is complementary to the region (X), at least one of the region (X) and the region (Xc) contains the expression inhibitory sequence, and the linker region (Lx) contains an atomic group derived from an amino acid. The single-stranded nucleic acid molecule can inhibit expression of the target gene. | 11-06-2014 |
20150073124 | micro-RNA INHIBITOR - The invention provides a microRNA inhibitor that has two or more sequences complementary to the sequence of microRNA to be the target of inhibition, which two or more complementary sequences are linked via one or more linker residues. | 03-12-2015 |
Tadaaki Ohgi, Tsuchiura-Shi JP
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20090292005 | GALACTOSE DERIVATIVE, DRUG CARRIER AND MEDICINAL COMPOSITION - The object of the present invention is to provide a novel and useful galactose derivative, which is a component of a drug carrier by which a medicine can be efficiently transferred into the liver, a drug carrier comprising the derivative, and a pharmaceutical composition comprising the drug carrier and a medicine. | 11-26-2009 |
Tadaaki Ohgi, Fukuoka JP
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20120010271 | SINGLE-STRANDED NUCLEIC ACID MOLECULE FOR CONTROLLING GENE EXPRESSION - Provided is a novel nucleic acid molecule that can inhibit the expression of a gene and can be produces easily and efficiently. The nucleic acid molecule is a single-stranded nucleic acid molecule including an expression inhibitory sequence that inhibits expression of a target gene. The single-stranded nucleic acid molecule includes, in sequence from the 5′ side to the 3′ side: a 5′ side region (Xc); an inner region (Z); and a 3′ side region (Yc). The inner region (Z) is composed of an inner 5′ side region (X) and an inner 3′ side region (Y) that are linked to each other. The 5′ side region (Xc) is complementary to the inner 5′ side region (X). The 3′ side region (Yc) is complementary to the inner 3′ side region (Y). At least one of the inner region (Z), the 5′ side region (Xc), and the 3′ side region (Yc) includes the expression inhibitory sequence. According to this single-stranded nucleic acid molecule, it is possible to inhibit the expression of the target gene. | 01-12-2012 |
20120035246 | SINGLE-STRANDED NUCLEIC ACID MOLECULE HAVING NITROGEN-CONTAINING ALICYCLIC SKELETON - Provided is a novel nucleic acid molecule that can be produced easily and efficiently and can inhibit the expression of a gene. The nucleic acid molecule is a single-stranded nucleic acid molecule including an expression inhibitory sequence that inhibits expression of a target gene. The single-stranded nucleic acid molecule includes: a region (X); a linker region (Lx); and a region (Xc). The linker region (Lx) is linked between the regions (Xc) and (Xc). The region (Xc) is complementary to the region (X). At least one of the regions (X) and (Xc) includes the expression inhibitory sequence. The linker region (Lx) has a non-nucleotide structure including at least one of a pyrrolidine skeleton and a piperidine skeleton. According to this single-stranded nucleic acid molecule, it is possible to inhibit the expression of the target gene. | 02-09-2012 |
20140100362 | Process for Preparing Phosphate Compound Bearing Isotope - The present invention provides a process for preparing an isotope-containing phosphate compound easily. The process for preparing an isotope-containing phosphate compound according to the present invention includes the step of oxidizing a trivalent phosphorus compound with an oxidizing agent containing an isotope to synthesize a pentavalent phosphate compound to which the isotope has been introduced. The present invention preferably is applied to the synthesis of nucleic acids such as DNA and RNA, for example. The isotope preferably is a stable isotope. The oxidizing agent preferably is H | 04-10-2014 |
20140171486 | Single-Stranded Nucleic Acid Molecule Having Nitrogen-Containing Alicyclic Skeleton - Provided is a novel nucleic acid molecule that can be produced easily and efficiently and can inhibit the expression of a gene. The nucleic acid molecule is a single-stranded nucleic acid molecule including an expression inhibitory sequence that inhibits expression of a target gene. The single-stranded nucleic acid molecule includes: a region (X); a linker region (Lx); and a region (Xc). The linker region (Lx) is linked between the regions (Xc) and (Xc). The region (Xc) is complementary to the region (X). At least one of the regions (X) and (Xc) includes the expression inhibitory sequence. The linker region (Lx) has a non-nucleotide structure including at least one of a pyrrolidine skeleton and a piperidine skeleton. According to this single-stranded nucleic acid molecule, it is possible to inhibit the expression of the target gene. | 06-19-2014 |
20140171633 | Single-Stranded Nucleic Acid Molecule Having Nitrogen-Containing Alicyclic Skeleton - Provided is a novel nucleic acid molecule that can be produced easily and efficiently and can inhibit the expression of a gene. The nucleic acid molecule is a single-stranded nucleic acid molecule including an expression inhibitory sequence that inhibits expression of a target gene. The single-stranded nucleic acid molecule includes: a region (X); a linker region (Lx); and a region (Xc). The linker region (Lx) is linked between the regions (Xc) and (Xc). The region (Xc) is complementary to the region (X). At least one of the regions (X) and (Xc) includes the expression inhibitory sequence. The linker region (Lx) has a non-nucleotide structure including at least one of a pyrrolidine skeleton and a piperidine skeleton. According to this single-stranded nucleic acid molecule, it is possible to inhibit the expression of the target gene. | 06-19-2014 |
Takashi Ohgi, Miyagi JP
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20110059285 | OPTICAL RECORDING MEDIUM, AND METHOD FOR PRODUCING OPTICAL RECORDING MEDIUM - An optical recording medium includes: a substrate; an information recording layer formed on the substrate for recording and reproducing an information signal by irradiation with light; and a light transmission layer formed on the information recording layer and transmitting the light, the storage elastic modulus of the light transmission layer at −5° C. being within a range of 1500 MPa or less. | 03-10-2011 |
Yoshiro Ohgi, Kanagawa JP
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20100279202 | ELECTRODE CATALYST AND OXYGEN REDUCTION ELECTRODE FOR CATHODE USING THE SAME - An electrode catalyst for an oxygen reduction electrode for use in a cathode of a polymer electrolyte fuel cell, produced by oxidizing ZrCN, wherein ZrCN and ZrO | 11-04-2010 |
Yuji Ohgi, Fujisawa-Shi JP
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20140062681 | ANALYSYS SYSTEM, ANALYSIS APPARATUS, ELECTRONIC DEVICE, ANALYSIS METHOD, AND PROGRAM - An analysis system includes: an electronic device that is attached to an upper body of a swimmer; and an analysis apparatus. The electronic device includes: an acceleration sensor that detects acceleration in a gravity direction in a state where the swimmer stands erect; and a first communication unit that transmits acceleration data indicating the acceleration detected by the acceleration sensor to the analysis apparatus. The analysis apparatus includes: a second communication unit that receives the acceleration data from the electronic device; and a control unit that determines whether the swimmer is in a swimming state or the swimmer is in a resting state, based on the acceleration data received by the second communication unit. | 03-06-2014 |