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Katsuyuki Yofu

Katsuyuki Yofu, Ashigarakami-Gun JP

Patent application numberDescriptionPublished
20090098314Liquid crystal composition, liquid crystal device, reflective display material and light modulating material - A liquid crystal composition including a liquid crystal and at least three anthraquinone dyes, at least two of the anthraquinone dyes having a substituent represented by the following Formula (I):04-16-2009
20090220796Electro-conductive polymer composition and electrode material - The electro-conductive polymer composition of the present invention contains an electro-conductive polymer and a compound represented by the following Formula (1). In Formula (1), R09-03-2009
20090223566PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICE - A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative.09-10-2009
20110074491PHOTOELECTRIC CONVERSION DEVICE, PHOTOELECTRIC CONVERSION DEVICE MATERIAL, PHOTOSENSOR AND IMAGING DEVICE - A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor:03-31-2011

Katsuyuki Yofu, Kanagawa JP

Patent application numberDescriptionPublished
20100039595LIQUID CRYSTAL DEVICE - A liquid crystal device including a pair of electrodes provided with a vertical alignment film and a liquid crystal layer disposed between the pair of electrodes and including a liquid crystal composition containing a liquid crystal with positive dielectric anisotropy, a dichroic dye and a chiral reagent, with a ratio (P/G) of a chiral pitch length (P) of the liquid crystal composition to a gap (G) between the pair of electrodes being from 0.06 to less than 1.0.02-18-2010
20100047624ELECTROCONDUCTIVE FILM, ELECTROCONDUCTIVE POLYMER COMPOSITION, ELECTROCONDUCTIVE POLYMER MATERIAL AND DEVICE - The electroconductive film of the present invention contains an electroconductive polymer and a compound represented by the following Formula (1). In Formula (1), Y is a hydrogen atom, a carbon atom, a hetero atom, a hydroxy group, a mercapto group, a group derived from an amino group, a group derived from an alkyl group, a group derived from an acyl group, a group derived from an aryl group, a group derived from an alkoxy group, a group derived from an aryloxy group, or a group derived from a heteroaryl group. L is a single bond, a divalent hydrocarbon group, a divalent hetero atom or an imino group. m is an integer of 1 or more.02-25-2010
20100136329ELECTROCONDUCTIVE POLYMER COMPOSITION, ELECTROCONDUCTIVE POLYMER MATERIAL AND METHOD FOR PRODUCING ELECTROCONDUCTIVE POLYMER MATERIAL - An electroconductive polymer composition of the invention contains a conductive polymer and a trivalent phosphorus compound. The trivalent phosphorus compound is preferably a compound represented by the following Formulae (I) to (IV). In Formulae (I) to (IV), R06-03-2010
20100308311PHOTOELECTRIC CONVERSION DEVICE AND IMAGING DEVICE - Provided is a photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film, and an electrically conductive film, wherein the photoelectric conversion film contains a compound represented by the following formula (i):12-09-2010
20110056562PHOTOELECTRIC CONVERSION MATERIAL, FILM CONTAINING THE MATERIAL, PHOTOELECTRIC CONVERSION DEVICE, PRODUCTION METHOD THEREOF, PHOTOSENSOR, IMAGING DEVICE AND THEIR USE METHODS - A compound represented by the following formula (I), and a photoelectric conversion device containing the compound:03-10-2011