Patents by Inventor Yusuke Kawahara
Yusuke Kawahara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11934093Abstract: A reflective mask blank for EUV lithography, includes: a substrate; a conductive film; a reflective layer; and an absorption layer, the absorption layer absorbing the EUV light, wherein the conductive film has a refractive index n?1000-1100 nm of 5.300 or less and has an extinction coefficient k?1000-1100 nm of 5.200 or less, at a wavelength of 1000 nm to 1100 nm, the conductive film has a refractive index n?600-700 nm of 4.300 or less and has an extinction coefficient k?600-700 nm of 4.500 or less, at a wavelength of 600 nm to 700 nm, the conductive film has a refractive index n?400-500 nm of 2.500 or more and has an extinction coefficient k?400-500 nm of 0.440 or more, at a wavelength of 400 nm to 500 nm, and the conductive film has a film thickness t of 40 nm to 350 nm.Type: GrantFiled: July 7, 2023Date of Patent: March 19, 2024Assignee: AGC INC.Inventors: Yusuke Ono, Hiroshi Hanekawa, Hirotomo Kawahara
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Patent number: 11329268Abstract: A positive electrode, a negative electrode containing lithium, and a nonaqueous electrolyte having lithium ion conductivity are installed. The nonaqueous electrolyte contains a nonaqueous solvent and a solute. The positive electrode contains a positive electrode active material containing at least manganese dioxide, a conductive agent, and a binding agent and further contains an oxide and sulfate of a rare-earth element.Type: GrantFiled: February 14, 2018Date of Patent: May 10, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Miyuki Nakai, Yasuyuki Kusumoto, Yusuke Kawahara, Futoshi Tanigawa, Atsushi Fukui
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Publication number: 20210320307Abstract: A lithium primary cell includes an electrode group and a non-aqueous electrolytic solution. The electrode group includes a positive electrode, a negative electrode, and a separator, in which the positive electrode and the negative electrode are wound with the separator interposed therebetween. In the electrode group, an area where the positive electrode and the negative electrode face each other is 250 cm2 or more and 350 cm2 or less. The positive electrode includes a positive electrode mixture including manganese dioxide and a boron compound. The negative electrode includes lithium metal or a lithium alloy. The non-aqueous electrolytic solution includes ethylene carbonate. A content of the boron compound in the positive electrode is 0.5 parts by mass or more and 2 parts by mass or less in terms of boron with respect to 100 parts by mass of the positive electrode mixture.Type: ApplicationFiled: April 2, 2019Publication date: October 14, 2021Inventors: KEIKO KOSUGE, FUMIO KATO, TOSHIYUKI SHIMIZU, YUSUKE KAWAHARA
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Publication number: 20210104725Abstract: A positive electrode, a negative electrode containing lithium, and a nonaqueous electrolyte having lithium ion conductivity are installed. The nonaqueous electrolyte contains a nonaqueous solvent and a solute. The positive electrode contains a positive electrode active material containing at least manganese dioxide, a conductive agent, and a binding agent and further contains an oxide and sulfate of a rare-earth element.Type: ApplicationFiled: February 14, 2018Publication date: April 8, 2021Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Miyuki Nakai, Yasuyuki Kusumoto, Yusuke Kawahara, Futoshi Tanigawa, Atsushi Fukui
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Patent number: 9528668Abstract: An organic electroluminescent illuminating device is shown. The device includes, at least on flexible surface light-emitting unit and a single driving unit. The flexible surface light-emitting unit has a flexible substrate and at least one organic electroluminescent element on the flexible substrate. The single driving unit drives the flexible surface light-emitting unit. At least a portion of the flexible surface light-emitting unit is connected to the driving unit.Type: GrantFiled: February 13, 2014Date of Patent: December 27, 2016Assignee: KONICA MINOLTA, INC.Inventors: Yusuke Kawahara, Agato Nagata, Hisato Ogata
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Publication number: 20150228698Abstract: An object of the present invention is to provide a portable information appliance having a thin organic electroluminescent illumination panel capable of color adjustment and uniform light emission. The portable information appliance according to the present invention is a portable information appliance having a thin organic electroluminescent illumination panel wherein the organic electroluminescent illumination panel is integrated with a front transmissive member and fitted into an exterior member of the portable information appliance.Type: ApplicationFiled: July 31, 2013Publication date: August 13, 2015Inventors: Yusuke Kawahara, Nobuya Miki
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Publication number: 20150060779Abstract: An organic electroluminescent illuminating device is shown. The device includes, at least on flexible surface light-emitting unit and a single driving unit. The flexible surface light-emitting unit has a flexible substrate and at least one organic electroluminescent element on the flexible substrate. The single driving unit drives the flexible surface light-emitting unit. At least a portion of the flexible surface light-emitting unit is connected to the driving unit.Type: ApplicationFiled: February 13, 2014Publication date: March 5, 2015Applicant: Konica Minolta, Inc.Inventors: Yusuke KAWAHARA, Agato Nagata, Hisato Ogata
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Patent number: 8456005Abstract: A transparent conductive film which is excellent in transparency, electrical conductivity, in-plane uniformity and durability is disclosed, comprising a metal conductive pattern and a transparent conductive material on a transparent film substrate, wherein the transparent conductive material contains a conductive polymer and at least one of a conductive fiber and a conductive metal. A production method thereof is also disclosed.Type: GrantFiled: October 10, 2008Date of Patent: June 4, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Shinichi Suzuki, Hiroshi Takada, Yusuke Kawahara
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Publication number: 20110056556Abstract: Disclosed is a dye-sensitized solar cell wherein an improved photoelectric conversion efficiency is realized by suppressing reverse electron transfer and improving conductivity of electrodes. Corrosion of electrodes by an electrolyte solution is greatly suppressed in the dye-sensitized solar cell. A method for manufacturing the dye-sensitized solar cell is also disclosed. The dye-sensitized solar cell comprises: an anode electrode wherein a conductive base containing at least a metal collector grid and a semiconductor porous film layer to which a sensitizing dye is adsorbed are arranged on a light-transmitting substrate; a cathode electrode so arranged as to face the semiconductor porous film layer of the anode electrode; and an electrolyte sealed between two electrode pieces, namely between the anode electrode and the cathode electrode.Type: ApplicationFiled: May 1, 2009Publication date: March 10, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hiroaki Itoh, Yusuke Kawahara
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Publication number: 20100300529Abstract: Disclosed is a dye-sensitized solar cell which can simultaneously realize an excellent photoelectric conversion efficiency and excellent durability. The dye-sensitized solar cell is also suitable when a resin film is used as a base material. The dye-sensitized solar cell comprises an electroconductive base material, and a metal oxide semiconductor layer formed of a semiconductor film with a dye adsorbed on the surface thereof, a charge transfer layer, and a counter electrode provided in that order on the electroconductive base material and is characterized in that a metal oxide intermediate layer formed of fine particles of a metal oxide is provided between the electroconductive base material and the metal oxide semiconductor layer and the electroconductive base material comprises a transparent base material, and a metallic current collecting layer formed of metallic fine wires and an electroconductive polymer-containing transparent electroconductive layer provided on the transparent base material.Type: ApplicationFiled: December 10, 2008Publication date: December 2, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yusuke Kawahara, Hirokazu Koyama, Takahiro Nojima
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Publication number: 20100247870Abstract: A transparent conductive film which is excellent in transparency, electrical conductivity, in-plane uniformity and durability is disclosed, comprising a metal conductive pattern and a transparent conductive material on a transparent film substrate, wherein the transparent conductive material contains a conductive polymer and at least one of a conductive fiber and a conductive metal. A production method thereof is also disclosed.Type: ApplicationFiled: October 10, 2008Publication date: September 30, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Shinichi Suzuki, Hiroshi Takada, Yusuke Kawahara
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Patent number: 6436626Abstract: A heat-developable light-sensitive element is disclosed. The element comprises a non-light-sensitive organic silver salt and a light-sensitive silver halide and an average radius r of the sphere of influence is from 0.35 &mgr;m to 10 &mgr;m when the element is exposed to light of from 35 &mgr;J/cm2 to 50 &mgr;J/cm2 and developed by a developing drum at a temperature of 123°±3° C. for a time of 16±3 seconds.Type: GrantFiled: July 25, 2000Date of Patent: August 20, 2002Assignee: Konica CorporationInventors: Yusuke Kawahara, Tsukasa Ito, Tsuyoshi Mitsuhashi
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Patent number: 5679507Abstract: A method for chemically sensitizing a silver halide photographic emulsion with a selenium compound is disclosed. The sensitizing method comprises the steps ofpreparing a dispersion of solid particles of a selenium compound in an aqueous medium by a process comprising the following steps of(1) dissolving a substantially water-insoluble organic selenium compound in a substantially water immiscible low-boiling organic solvent to prepare a selenium compound solution,(2) dispersing the selenium compound solution in water or an aqueous solution of a dispersing aid to form a oil-in-water type dispersion, and(3) removing the organic solvent from the oil-in-water type dispersion by stirring the dispersion under a decompressed condition to precipitate the selenium compound so as to form a dispersion of fine solid particles of the selenium compound having an average particle size of 10 nm to 3 .mu.Type: GrantFiled: August 25, 1995Date of Patent: October 21, 1997Assignee: Konica CorporationInventors: Tetsuya Yoshida, Kazuyoshi Ichikawa, Haruhiko Masutomi, Yusuke Kawahara, Hiroshi Kashiwagi