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Yoshinori Yokoyama, Munehisa Takeda, Hitoshi Ota, Aritomo Uemura, Tadayoshi Kitayama: Optical switching apparatus for use in an optical communication system. Mitsubishi Denki Kabushiki Kaisha, Leydig Voit & Mayer, July 25, 2000: US06094293 (70 worldwide citation)

An optical switch includes a light emitter for emitting light and light receivers. A reflector is used for changing a path of light emitted from the light emitter. The reflector is held by a permanent magnet having first and second magnetic poles of opposite polarities. A supporting member is provid ...


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Hitoshi Ota, Hidehiko Komatsu, Kazuhiko Hara, Masahiro Yatake: Process for the preparation of pigment dispersion, pigment dispersion obtained by the same, ink jet recording ink comprising the same, and recording method and recorded material using the same. Seiko Epson Corporation, Ladas & Parry, July 12, 2005: US06916862 (21 worldwide citation)

Provided is a process for the preparation of a pigment dispersion which comprises a pigment surface treatment step of introducing at least one hydrophilic dispersibility-providing group onto the surface of a pigment directly and/or with the interposition of a polyvalent group, and a dispersion step ...


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Kazuhiko Kitamura, Hitoshi Ota, Tetsuya Aoyama, Nobuo Uotani, Yuji Ito, Hiroshi Takahashi: Water resistance imparter, ink composition, reactive fluid, and method of ink-jet recording with two fluids. Seiko Epson Corporation, Ladas & Parry, December 24, 2002: US06498222 (21 worldwide citation)

Disclosed is a cationic water-soluble resin which comprises a (co)polymer of, in formula (I), repeating units (a) represented by formula (a) and repeating units (b) represented by formula (b), the content of the repeating units (a) in the (co)polymer being 100 to 0% by mole, the (co)polymer having i ...


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Fumitsugu Ito, Masahiro Yatake, Hidehiko Komatsu, Hitoshi Ota, Kazuhiko Hara: Coating liquid, and image recording method and recording using same. Seiko Epson Corporation, Ladas & Parry, April 20, 2004: US06723784 (17 worldwide citation)

A coating liquid for forming a transparent topcoat, without requiring a hardening or fixing process that uses heating or UV radiation. The coating liquid imparts light resistance, water resistance, fixation, and glossiness to recordings. Also, a recording method using the coating liquid, and recordi ...


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Hitoshi Ota, Masao Yashiro, Koki Yotsuya, Takuzo Kako, Yuzi Nakashima: Metal catalyst carrier for exhaust gas purification. Nippon Steel Corporation, Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, January 23, 1996: US05486338 (11 worldwide citation)

A metal catalyst carrier for exhaust gas purification, comprising: a columnar metal honeycomb composed by spirally winding a laminate of a flat metal foil and a corrugated metal foil; a columnar metal case enclosing the metal honeycomb with a space remaining therebetween; and a cushion member dispos ...


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Hitoshi Suzuki, Tomohiro Sato, Minoru Kotato, Hitoshi Ota, Hideharu Sato: Secondary battery having nonaqueous electrolyte solution. Mitsubishi Chemical Corporation, Oblon Spivak McClelland Maier & Neustadt P C, December 16, 2003: US06664008 (10 worldwide citation)

Disclosed is a non-aqueous electrolytic solution secondary cell having a negative electrode containing a carbonaceous material capable of occluding and liberating lithium, a positive electrode, a non-aqueous electrolytic solution which includes a solute and an organic solvent, and a separator; where ...


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Hideto Ishiguro, Eiji Kanda, Hitoshi Ota: Liquid crystal device. Sony Corporation, K&L Gates, January 3, 2012: US08089476 (9 worldwide citation)

A liquid crystal device includes a plurality of selection lines, a plurality of signal lines, a plurality of pixel portions, a plurality of photosensor portions, a plurality of first power lines, and a plurality of sense lines. The plurality of selection lines are provided in a line direction. The p ...


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Akira Mitsui, Osamu Shoji, Hitoshi Ota: 2,6-dimethyphenol composition. Asahi Kasei Chemicals Corporation, Dickstein Shapiro Morin & Oshinsky, June 13, 2006: US07060781 (4 worldwide citation)

A 2,6-dimethylphenol composition having an m-cresol content of from 15 to 700 ppm on a weight basis has effects of drastically improving polymerization activity and particularly, improving the color tone of polyphenylene ethers. Therefore, the composition makes it possible to provide a preparation p ...


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Kei Yoshizaki, Hitoshi Ota: Electro-optical device and electronic apparatus. Seiko Epson Corporation, Oliff & Berridge, October 8, 2013: US08553023 (4 worldwide citation)

An electro-optical device is provided that includes a plurality of unit circuits and a scanning line drive circuit. Each of the plurality of unit circuits includes a light emitting element, a drive transistor, a light emitting control transistor, and a switching element. Each of the plurality of sca ...