Patents by Inventor Kazuki Goto

Kazuki Goto 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).

  • Publication number: 20240150649
    Abstract: A light-emitting element includes an anode electrode, a QD layer containing QDs, and a cathode electrode, in which the QDs are Cd-free quantum dots having a core-shell structure including a core containing at least Ag, Ga, and at least one of S and Se, and a shell containing at least Zn, and exhibit fluorescence characteristics with a fluorescence full-width at half-maximum of 40 nm or less and a fluorescence quantum yield percentage of 70% or more.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 9, 2024
    Inventors: Kazuki GOTO, Yusuke SAKAKIBARA, Masaki YAMAMOTO, Tatsuya RYOHWA, Akio MISHIMA, Soichiro NIKATA, Vit KALOUSEK, Yuko OGURA, Yoko MICHIWAKI
  • Patent number: 11951387
    Abstract: A controller includes a key top, a substrate, and an elastic member. The elastic member includes a pressed portion, a base, a skirt portion, and a pressing member. The substrate includes a contact. When viewed in the first direction, the pressing member is surrounded by an outer peripheral edge of a prescribed region. In the second direction, a distance between an end of the outer peripheral edge of the prescribed region on a side of a swing center of the key top and an end of a top surface on the side of the swing center is longer than a distance between an end of the outer peripheral edge of the prescribed region opposite to the swing center and an end of the top surface opposite to the swing center. In the second direction, the contact is located closer to the swing center than the top surface.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: April 9, 2024
    Assignee: Nintendo Co., Ltd.
    Inventors: Kazuki Ebihara, Hiroki Goto, Noboru Wakitani
  • Publication number: 20240107792
    Abstract: A light-emitting element includes an anode electrode, a cathode electrode, and a QD layer provided between the anode electrode and the cathode electrode, the QD layer containing the QDs. The QDs are AgInxGa1-xSySe1-y-based or ZnAgInxGa1-xSySe1-y-based Cd-free QDs (0?x<1, 0?y?1) and exhibit fluorescence characteristics having a fluorescent half width of 45 nm or less and a fluorescence quantum yield of 35% or more in a green wavelength region to a red wavelength region.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 28, 2024
    Inventors: Kazuki GOTO, YUSUKE SAKAKIBARA, Yuma YAGUCHI, Keisuke KITANO, Masaki YAMAMOTO, Soichiro NIKATA, Yoko MICHIWAKI, Yuko OGURA, Vit KALOUSEK, Akio MISHIMA
  • Publication number: 20240052483
    Abstract: A method of forming a SiOC-based film includes: preparing a substrate; forming a SiC-based film on the substrate by using a carbon precursor made of a carbon-containing gas and a silicon precursor made of a silicon-containing gas; forming the SiOC-based film by performing oxidation process on the SiC-based film on the substrate; and performing a processing with plasma of a gas containing a H2 gas on the SiOC-based film on the substrate, wherein the forming the SiC-based film is performed before the SiC-based film has a first given film thickness, the forming the SiC-based film and the forming the SiOC-based film by the oxidation process are executed once or multiple times before the SiOC-based film has a second given film thickness, and an operation of forming the SiOC-based film to have the second given film thickness and the performing the processing with the plasma are executed once or multiple times.
    Type: Application
    Filed: August 11, 2023
    Publication date: February 15, 2024
    Inventors: Kazuki GOTO, Yoshihiro KATO, Junya SUZUKI, Yuji OTSUKI
  • Publication number: 20230232647
    Abstract: A quantum dot (QD) dispersion solution includes QD phosphor particles, ligands, and a solvent. Each ligand includes a thiol group and at least one functional group of ester groups and ether groups. The solvent is propylene glycol monomethyl ether acetate.
    Type: Application
    Filed: July 3, 2020
    Publication date: July 20, 2023
    Inventors: Masaki YAMAMOTO, Kazuki GOTO, Yuma YAGUCHI, Soichiro NIKATA, Yuko OGURA, Masanori TANAKA, Yuka TAKAMIZUMA, Tetsuji ITO, Mikihiro TAKASAKI
  • Publication number: 20230080877
    Abstract: The electroluminescent element includes an anode electrode, a cathode electrode, and a quantum dot (QD) layer including quantum dots and arranged between the anode electrode and the cathode electrode. The quantum dots are Cd-free quantum dots that include at least Zn and Se, and do not include Cd at a mass ratio of 1/30 or greater in relation to Zn. The particle size of each quantum dot is within a range from 3 nm to 20 nm.
    Type: Application
    Filed: February 17, 2020
    Publication date: March 16, 2023
    Inventors: Masaki YAMAMOTO, Hirohisa YAMADA, Yoshihiro UETA, Keisuke KITANO, Kazuki GOTO, Yusuke SAKAKIBARA, Tadashi KOBASHI, Masashi KAGO, Soichiro NIKATA, Yuko OGURA, Masanori TANAKA, Yuka TAKAMIZUMA, Tetsuji ITO
  • Publication number: 20220195300
    Abstract: The electroluminescent element includes a QD layer and an electron transport layers. QD phosphor particles contained in the QD layer are nanocrystals containing zinc and selenium, or zinc, selenium, and sulfur. A fluorescent half width of the QD phosphor particles is 25 nm or less, and a fluorescent peak wavelength of the QD phosphor particles is 410 nm or more and 470 nm or less. The QD layer contains a surface modifier that protects surfaces of the quantum dots, and a weight ratio of the surface modifier to the QD phosphor particles is 0.115 and more and 0.207 or less.
    Type: Application
    Filed: April 17, 2019
    Publication date: June 23, 2022
    Inventors: Kanako NAKATA, Kazuki GOTO, Tatsuya RYOHWA, Masaki YAMAMOTO, Yuko OGURA, Yuka TAKAMIZUMA, Masanori TANAKA, Soichiro NIKATA, Tetsuji ITO, Mayuko WATANABE
  • Patent number: 10992225
    Abstract: The present technology relates to a charge pump circuit that enables reduction of a circuit area. Provided is a charge pump circuit including: a first transistor; a second transistor to which a constant current is supplied; a third transistor connected to the first transistor and a voltage source; a fourth transistor group including N transistors arranged in a cascade on the first transistor side, the N transistors all including control terminals connected to the second transistor; a fifth transistor group including N transistors arranged in a cascade on the second transistor side, the N transistors all including control terminals connected to the second transistor; a first switch that connects the first transistor to the second transistor; a second switch that connects the first transistor to a ground node; a third switch that connects the third transistor to the fifth transistor group; and a fourth switch that connects the third transistor to the ground node.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: April 27, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Daisuke Arima, Yasuhide Shimizu, Kazuki Goto
  • Publication number: 20210050775
    Abstract: The present technology relates to a charge pump circuit that enables reduction of a circuit area. Provided is a charge pump circuit including: a first transistor; a second transistor to which a constant current is supplied; a third transistor connected to the first transistor and a voltage source; a fourth transistor group including N transistors arranged in a cascade on the first transistor side, the N transistors all including control terminals connected to the second transistor; a fifth transistor group including N transistors arranged in a cascade on the second transistor side, the N transistors all including control terminals connected to the second transistor; a first switch that connects the first transistor to the second transistor; a second switch that connects the first transistor to a ground node; a third switch that connects the third transistor to the fifth transistor group; and a fourth switch that connects the third transistor to the ground node.
    Type: Application
    Filed: January 16, 2019
    Publication date: February 18, 2021
    Inventors: Daisuke Arima, Yasuhide Shimizu, Kazuki Goto
  • Patent number: 9193833
    Abstract: A phosphor-containing cured silicone that is a cured silicone which has a structure represented by general formulae (1) and/or (2) and also has units selected from general formulae (3) and/or (4), the phosphor-containing cured silicone includes a phosphor and particles having units selected from general formulae (3) and/or (4): wherein R1 to R3 are each a hydrogen atom, a methyl group, an ethyl group or a propyl group; X represents a methylene group, a dimethylene group or a trimethylene group, and may be the same or different; and R4 to R6 are each a substituted or unsubstituted monovalent hydrocarbon group, and may be the same or different. An object of the present invention is to provide a cured silicone in which a phosphor is uniformly dispersed, the cured silicone is characterized in that a silicone material has good thermal resistance and lightfastness.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: November 24, 2015
    Assignee: Toray Industries, Inc.
    Inventors: Kazuki Goto, Tetsuya Goto, Masuichi Eguchi, Takao Kitagawa, Kazunari Kawamoto, Yutaka Ishida, Hirofumi Tsuchiya, Takayoshi Akamatsu
  • Patent number: 9164378
    Abstract: The objective is to provide a direct drawing-type waterless lithographic printing original plate which is highly sensitive and is not susceptible to formation of blisters, namely a direct drawing-type waterless lithographic printing original plate which has a wide latitude. Provided is a direct drawing-type waterless lithographic printing original plate which has at least a heat-sensitive layer and a silicone rubber layer on a substrate in this order. The direct drawing-type waterless lithographic printing original plate is characterized in that the heat-sensitive layer contains non-photosensitive particles and the average particle diameter of the non-photosensitive particles is not less than ½ of the average film thickness of a portion of the heat-sensitive layer where the non-photosensitive particles are not present.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: October 20, 2015
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Iihara, Yasunori Kuse, Yuta Shuto, Satoshi Yoshida, Kazuki Goto
  • Patent number: 9159519
    Abstract: Disclosed are: a paste for an electron emission source, which enables omission of an activation process and is capable of emitting electrons at a low voltage, while exhibiting excellent adhesion to a cathode substrate; and an electron emission source which uses the paste for an electron emission source. Specifically disclosed is an electron emission source which is produced by subjecting a paste for an electron emission source containing the components (A)-(C) described below to a heat treatment. The electron emission source has cracks and carbon nanotubes project from the surfaces of the cracks. (A) carbon nanotubes (B) glass powder (C) at least one substance selected from the group consisting of metal salts, metal hydroxides, organic metal compounds, metal complexes, silane coupling agents and titanium coupling agents.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: October 13, 2015
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Takejiro Inoue, Kazuki Shigeta, Kazuki Goto, Sunkyu Park
  • Patent number: 9117979
    Abstract: The present invention provides a phosphor sheet in which the optical properties thereof are not impaired and which exhibits excellent film thickness uniformity even when comprising large-sized phosphor particles in high concentration. In one embodiment, the invention provides a phosphor sheet in which the content of phosphor is 53 weight % or more of the total sheet, and in another embodiment, a phosphor sheet includes at least a silicone resin, a phosphor and silicone fine particles.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: August 25, 2015
    Assignee: Toray Industries, Inc.
    Inventors: Nobuo Matsumura, Yutaka Ishida, Kazunari Kawamoto, Kazuki Goto, Takao Kitagawa, Takejiro Inoue, Hironobu Sadakuni, Hiroki Sekiguchi, Masahiro Yoshioka
  • Publication number: 20130298794
    Abstract: A directly imageable waterless lithographic printing plate precursor includes at least a heat sensitive layer and a silicone rubber layer formed on a substrate in this order, wherein the heat sensitive layer contains at least a novolac resin, a polyurethane and a light-to-heat conversion material, and also has a phase separation structure including at least a phase containing a novolac resin and a phase containing a polyurethane. The directly imageable waterless lithographic printing plate precursor has high sensitivity and is less likely to cause blister, that is, having wide latitude.
    Type: Application
    Filed: January 13, 2012
    Publication date: November 14, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Yuta Shuto, Akihiro Iihara, Kazuki Goto, Satoshi Yoshida
  • Patent number: 8580128
    Abstract: To provide an electromagnetic-wave shielding plate superior in an electromagnetic-wave shielding property, a light-transmitting property and non-visibility of a mesh pattern at low cost. A pattern of a resin layer is printed on a metal layer of a transparent substrate by a printing method. After that, the metal layer is over-etched with the resin layer used as an etching mask, and a part of the resin layer protruding from the remaining metal layer in a plate-surface direction is removed. As a result, an electromagnetic-wave shielding plate superior in an electromagnetic-wave shielding property and non-visibility and having, for example, a pattern line width of 3 ?m or more and 25 ?m or less.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: November 12, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Osamu Watanabe, Tadashi Yoshioka, Kazuki Goto, Takayoshi Ueba
  • Publication number: 20130273473
    Abstract: The objective is to provide a direct drawing-type waterless lithographic printing original plate which is highly sensitive and is not susceptible to formation of blisters, namely a direct drawing-type waterless lithographic printing original plate which has a wide latitude. Provided is a direct drawing-type waterless lithographic printing original plate which has at least a heat-sensitive layer and a silicone rubber layer on a substrate in this order. The direct drawing-type waterless lithographic printing original plate is characterized in that the heat-sensitive layer contains non-photosensitive particles and the average particle diameter of the non-photosensitive particles is not less than ½ of the average film thickness of a portion of the heat-sensitive layer where the non-photosensitive particles are not present.
    Type: Application
    Filed: September 16, 2011
    Publication date: October 17, 2013
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Akihiro Iihara, Yasunori Kuse, Yuta Shuto, Satoshi Yoshida, Kazuki Goto
  • Publication number: 20130264601
    Abstract: The present invention provides a phosphor sheet in which the optical properties thereof are not impaired and which exhibits excellent film thickness uniformity even when comprising large-sized phosphor particles in high concentration. In one embodiment, the invention provides a phosphor sheet in which the content of phosphor is 53 weight % or more of the total sheet, and in another embodiment, a phosphor sheet includes at least a silicone resin, a phosphor and silicone fine particles.
    Type: Application
    Filed: December 1, 2011
    Publication date: October 10, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Nobuo Matsumura, Yutaka Ishida, Kazunari Kawamoto, Kazuki Goto, Takao Kitagawa, Takejiro Inoue, Hironobu Sadakuni, Hiroki Sekiguchi, Masahiro Yoshioka
  • Publication number: 20130125365
    Abstract: A phosphor-containing cured silicone that is a cured silicone which has a structure represented by general formulae (1) and/or (2) and also has units selected from general formulae (3) and/or (4), the phosphor-containing cured silicone includes a phosphor and particles having units selected from general formulae (3) and/or (4): wherein R1 to R3 are each a hydrogen atom, a methyl group, an ethyl group or a propyl group; X represents a methylene group, a dimethylene group or a trimethylene group, and may be the same or different; and R4 to R6 are each a substituted or unsubstituted monovalent hydrocarbon group, and may be the same or different. An object of the present invention is to provide a cured silicone in which a phosphor is uniformly dispersed, the cured silicone is characterized in that a silicone material has good thermal resistance and lightfastness.
    Type: Application
    Filed: February 9, 2011
    Publication date: May 23, 2013
    Inventors: Kazuki Goto, Tetsuya Goto, Masuichi Eguchi, Takao Kitagawa, Kazunari Kawamoto, Yutaka Ishida, Hirofumi Tsuchiya, Takayoshi Akamatsu
  • Publication number: 20120177887
    Abstract: Disclosed are: a paste for an electron emission source, which enables omission of an activation process and is capable of emitting electrons at a low voltage, while exhibiting excellent adhesion to a cathode substrate; and an electron emission source which uses the paste for an electron emission source. Specifically disclosed is an electron emission source which is produced by subjecting a paste for an electron emission source containing the components (A)-(C) described below to a heat treatment. The electron emission source has cracks and carbon nanotubes project from the surfaces of the cracks. (A) carbon nanotubes (B) glass powder (C) at least one substance selected from the group consisting of metal salts, metal hydroxides, organic metal compounds, metal complexes, silane coupling agents and titanium coupling agents.
    Type: Application
    Filed: August 3, 2010
    Publication date: July 12, 2012
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Takejiro Inoue, Kazuki Shigeta, Kazuki Goto, Sunkyu Park
  • Patent number: 8206615
    Abstract: An object of the present invention is to provide a paste for an electron emission source, which can retain good electric contact between CNT and a cathode electrode, by containing an electrically conductive particle having a particle diameter within the optimal range. A paste for an electron emission source containing a carbon nanotube having a diameter of 1 nm or more and less than 10 nm, and an electrically conductive part having an average particle diameter of 0.1 to 1 ?m.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: June 26, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Kazuki Shigeta, Takejiro Inoue, Atsushi Ikeda, Kazuki Goto