Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Kenichi Okada

Kenichi Okada, Tokyo JP

Patent application numberDescriptionPublished
20080237760Substrate for Transparent Electrodes - One object of the present invention is to provide a transparent electrode substrate with an ITO film formed thereon, used for example as the transparent electrode plate in a dye sensitized solar cell, for which the electrical resistance does not increase even when exposed to high temperatures of 300° C. or higher. In order to achieve the object, the present invention provides a substrate for a transparent electrode, wherein two or more layers of different transparent conductive films are formed on a transparent substrate, and an upper layer transparent conductive film has a higher heat resistance than that of a lower layer transparent conductive film.10-02-2008
20100208051INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - There is provided an information processing apparatus including an image pickup part; a display part; a position detecting part for detecting a position of a target relative to the display part; a face detecting part for detecting a face from a taken image; an attribute obtaining part for obtaining attribute information of the target; a group determining part for determining a group to which the target belongs, at least based on the attribute information of the detected target; a content determining part for determining a content to be provided to the target based on at least one of group information of the target and the attribute information of the target; and a display processing part for displaying content information of the content to be provided to the target, on the display part in a display style in accordance with the position of the target.08-19-2010
20110100455PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes: a first electrode having a porous oxide semiconductor layer which supports a sensitizing dye on a surface thereof and functioning as a photo electrode; a second electrode disposed so as to oppose the first electrode; an electrolyte disposed in at least a part of a space between the first electrode and the second electrode; and a sump portion for the electrolyte disposed in at least a part of the space between the first electrode and the second electrode. According to the present invention, air bubbles can be exhausted effectively from power generating area, so that a photoelectric conversion element possessing an improved power generation property and a long-term durability can be provided.05-05-2011

Patent applications by Kenichi Okada, Tokyo JP

Kenichi Okada, Chiba JP

Patent application numberDescriptionPublished
20110017396METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT - The present invention provides a method of manufacturing a photoelectric conversion element that includes a working electrode, an counter electrode that is bonded to the working electrode through a bonding layer disposed in an outer periphery area of one surface of the working electrode, and an electrolyte layer that has an electrolyte arranged in a gap thereof as a main body, and is a manufacturing method of a photoelectric conversion element at least including: a step of forming the electrolyte layer by filling the gap with the electrolyte through a through hole that is disposed in the working electrode or the counter electrode in advance under a decompressed environment; and a step of acquiring the photoelectric conversion element by sealing the through hole while maintaining the decompressed environment.01-27-2011
20110041909DYE-SENSITIZED SOLAR CELL - There is provided a dye-sensitized solar cell that may improve power generation efficiency by suppressing light absorption of a wiring part.02-24-2011
20110120520PHOTOELECTRIC CONVERSION ELEMENT - The present invention provides a photoelectric conversion element in which current collection is conveniently performed without degrading a photoelectric conversion characteristic. The photoelectric conversion element in accordance with the present invention has: a structural body composed of at least a conductive first electrode provided with a porous oxide semiconductor layer supporting a sensitizing dye, a second electrode provided opposite the first electrode, and an electrolyte provided in at least part of the space between the first electrode and the second electrode; a cover member that covers the structural body and forms a separation portion between the cover member and the second electrode, and a conductive member provided in the separation portion, and having a connection site that is electrically connected to either the first electrode or the second electrode. Moreover, the conductive member is sandwiched between the cover member and the first electrode or the second electrode.05-26-2011
20110120550PHOTOELECTRIC CONVERSION ELEMENT - The present invention provides a photoelectric conversion element in which bending resistance and impact resistance can be improved. The photoelectric conversion element of the present invention comprises a structure, a case into which the structure is built, and a deformable body disposed between the structure and the case. The structure is composed of at least a conductive first electrode provided with a porous oxide semiconductor layer on which a sensitizing dye is supported, a second electrode disposed opposing the first electrode, and an electrolyte arranged at least at a portion between the first electrode and the second electrode.05-26-2011

Kenichi Okada, Osaka JP

Patent application numberDescriptionPublished
20080281038Aqueous dispersion adhesive composition and adhesive film - The aqueous dispersion adhesive composition contains an aqueous dispersion copolymer obtained by reacting of a reaction component containing alkyl (meth)acrylate whose linear or branched alkyl group has 4 to 18 carbon atoms, (meth)acrylic acid, a phosphoric acid group-containing vinyl monomer and an alkoxysilyl group-containing vinyl monomer to react; and a crosslinking agent having reactivity with a carboxyl group. In the aqueous dispersion adhesive composition, an amount of the crosslinking agent is from 0.07 to 4 parts by weight per 100 parts by weight of the aqueous dispersion copolymer, and in an adhesive layer made of the aqueous dispersion adhesive composition, an elongation at 90° C. is 200% or less.11-13-2008
20090017298Adhesive composition, adhesive optical film and image display device - An adhesive composition contains a copolymer obtained by preparing a monomer component containing an alkyl(meth)acrylate whose alkyl group has 4 to 18 carbon atoms, a carboxyl group-containing vinyl monomer and a phosphoric acid group-containing vinyl monomer as essential components, and containing, as an optional component, a copolymerizable vinyl monomer which is copolymerizable with the essential components so that an amount of the alkyl(meth)acrylate is from 60 to 99 parts by weight per 100 parts by weight of the monomer component, a total amount of the carboxyl group-containing vinyl monomer, the phosphoric acid group-containing vinyl monomer and the copolymerizable vinyl monomer is from 1 to 40 parts by weight per 100 parts by weight of the monomer component and polymerizing the monomer component; and a clay mineral so that an amount of the clay mineral is from 0.5 to 10 parts by weight per 100 parts by weight of the copolymer.01-15-2009
20100304135Adhesive composition, adhesive optical film and image display device - To provide an adhesive composition which shows high adhesion with a glass substrate and has excellent heat resistance, moisture resistance and moist heat resistance, an adhesive optical film comprising an adhesive layer made of the adhesive composition, which shows high adhesion between the adhesive layer and an optical film and effectively suppresses the occurrence of adhesive residue and lack of adhesive and also has excellent heat resistance, moisture resistance and moist heat resistance, and an image display device comprising the adhesive optical film, the adhesive optical film comprises an optical film 12-02-2010

Patent applications by Kenichi Okada, Osaka JP

Kenichi Okada, Ota-Ku JP

Patent application numberDescriptionPublished
20100295627VOLTAGE-CONTROLLED OSCILLATOR - A voltage-controlled oscillator that can achieve low phase noise while ensuring stable oscillation startup and stable oscillation maintenance even under low supply voltage conditions. The voltage-controlled oscillator includes an LC parallel resonant circuit, whose impedance varies with a control input voltage and a negative resistance circuit for introducing negative resistance into the LC parallel resonant circuit, wherein the negative resistance circuit includes at least: a first amplifier circuit, provided in parallel with the LC parallel resonant circuit and having a first pair of transistors cross-coupled via a capacitor, that achieves class-C amplifier operation by biasing the gate of each transistor in the first transistor pair with a first bias voltage; and a similarly configured second amplifier circuit that achieves class-C amplifier operation by biasing the gate of each transistor with a second bias voltage which is different from the first bias voltage.11-25-2010

Kenichi Okada, Sakura-Shi JP

Patent application numberDescriptionPublished
20100218823ELECTRODE SUBSTRATE FOR PHOTOELECTRIC CONVERSION ELEMENT, METHOD OF MANUFACTURING ELECTRODE SUBSTRATE FOR PHOTOELECTRIC CONVERSION ELEMENT, AND PHOTOELECTRIC CONVERSION ELEMENT - A method of manufacturing an electrode substrate for a photoelectric conversion element which includes: forming a transparent conductive layer and a collector wire on a substrate; forming an oxide semiconductor layer in a region of the transparent conductive layer different from a region in which the collector wire is formed; forming an porous oxide semiconductor layer by firing the oxide semiconductor layer; after firing, forming a protective layer covering the collector wires, the protective layer composed of an insulating resin having a thermal resistance at 250° C. or higher; heating the substrate at 250° C. or higher during or after the formation of the protective layer; and after the heating, allowing adsorption of dyes in the porous oxide semiconductor layer.09-02-2010
20100229941ELECTRODE SUBSTRATE FOR PHOTOELECTRIC CONVERSION ELEMENT - An electrode substrate for a photoelectric conversion element includes: current collecting wires; and a protective layer covering the current collecting wires, wherein the protective layer includes a first protective layer containing glass components and a second protective layer which is composed of an insulating resin layer and provided on the first protective layer.09-16-2010
20100233531ELECTROLYTE COMPOSITION AND PHOTOELECTRIC CONVERSION ELEMENT INCORPORATING THE SAME - An electrolyte composition includes an ionic liquid and a solvent, wherein the solvent contains a material made of at least one of sulfolane and derivatives thereof, and a content of the material is 5 to 40 mass % of the total content of the electrolyte composition.09-16-2010

Kenichi Okada, Kohtoh-Ku JP

Patent application numberDescriptionPublished
20090235982PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes: a first electrode having a porous oxide semiconductor layer which supports a sensitizing dye on a surface thereof and functioning as a photo electrode; a second electrode disposed so as to oppose the first electrode; an electrolyte disposed in at least a part of a space between the first electrode and the second electrode; and a sump portion for the electrolyte disposed in at least a part of the space between the first electrode and the second electrode. According to the present invention, air bubbles can be exhausted effectively from power generating area, so that a photoelectric conversion element possessing an improved power generation property and a long-term durability can be provided.09-24-2009
20100078060DYE-SENSITIZED SOLAR CELL MODULE AND PRODUCTION METHOD THEREOF - A dye-sensitized solar cell module and a production method for the same are provided. The dye-sensitized solar cell module comprises a base material; a back side plate; and a plurality of dye-sensitized solar cells provided in between the base material and the back side plate, each of the plurality of dye-sensitized solar cells including a first conductive layer provided on the base material; a second conductive layer; and a porous semiconductor layer provided between the first conductive layer and the second conductive layer, wherein the plurality of dye-sensitized solar cells are electrically connected in series. In accordance with the present invention, in the dye-sensitized solar cell module, it is possible to prevent a decrease in durability of a film of a counter electrode with regard to thermal expansion and contraction of each of the layers due to the thermal history to a bending, a distortion, etc.04-01-2010

Kenichi Okada, Shiga JP

Patent application numberDescriptionPublished
20090272419Solar Cell Module - A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view.11-05-2009
20090293934Photoelectric Conversion Device - A photoelectric conversion device in which a plurality of crystal semiconductor particles 12-03-2009

Kenichi Okada, Ibaraki-Shi JP

Patent application numberDescriptionPublished
20090186221AQUEOUS-DISPERSION-TYPE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an aqueous-dispersion-type pressure-sensitive adhesive composition and a pressure-sensitive adhesive sheet formed thereof. This composition comprises a rubber latex, a tackifier resin emulsion, a dispersant composed primarily of a polycarboxylic acid (salt) having a hydrophobic side chain, and an emulsifier composed primarily of a polyoxyethylene alkyl ether sulfuric acid ester having an average polymerization degree of 16 to 80. A preferred dispersant contains carboxyl group at 2 to 6 mmol/g and an aqueous solution thereof at 1% by mass has a surface tension of 25 to 45 mN/m.07-23-2009