Patents by Inventor Kousuke Nishimura

Kousuke Nishimura 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).

  • Patent number: 12100530
    Abstract: The present invention provides a silver paste, containing at least a silver powder, a binder resin, and an organic solvent, in which a content of the silver powder based on the silver paste is 80.00 to 97.00% by mass, D10 is 1.00 to 3.00 ?m and D50 is 3.00 to 7.00 ?m, where D10 and D50 respectively represent a 10% value and a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement of the silver powder, the silver powder has a specific surface area of 0.10 to 0.30 m2/g, the silver powder has a copper content of 10 to 5000 ppm by mass, a content of the binder resin based on the silver powder is 0.430 to 0.750% by mass, and the silver paste has a dry film density of 7.50 g/cm3 or more.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: September 24, 2024
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima
  • Publication number: 20240287277
    Abstract: Provided is a separation and recovery method that is method of separating and recovering, from a mixture containing at least a resin layer 1 containing a hydrolyzable polymer A as a main component and a resin layer 2 containing a nonhydrolyzable polymer B as a main component, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the method including a decomposition and separation step of subjecting the mixture to a hydrothermal reaction treatment to hydrolyze and separate the hydrolyzable polymer A, and to separate the nonhydrolyzable polymer B while a molecular weight of thereof is maintained.
    Type: Application
    Filed: June 17, 2022
    Publication date: August 29, 2024
    Applicants: UBE Corporation, Keiwa Kogyo Co., Ltd., TOPPAN INC.
    Inventors: Masaru WATANABE, Aritomo YAMAGUCHI, Osamu SATO, Yuuma IRISA, Akira TAKAMA, Kousuke NISHIMURA, Hiroki KUJIRAOKA, Hideki MIYAZAKI, Keita AKIMOTO, Takuya TAKAHATA, Daisuke KUGIMOTO, Shingo KOUDA, Satoshi HAMURA, Takahiro IMAI, Yumiko OMORI, Manabu KAWA
  • Publication number: 20240123654
    Abstract: Provided is a separation and recovery apparatus for continuously separating and recovering, from a resin mixture containing a resin containing a hydrolyzable polymer and a resin containing a nonhydrolyzable polymer, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the apparatus including: a crushing unit that crushes the resin mixture a melting/discharging unit that melts a crushed product obtained by the crushing unit to form a fluid and discharges the fluid at a high pressure; and a hydrothermal reaction treatment unit that continuously subjects the fluid discharged from the melting/discharging unit to a hydrothermal reaction treatment, wherein, in the melting/discharging unit, the hydrolyzable polymer A is hydrolyzed, and the hydrolytic component a thereof is dissolved and transferred into water permeating a sintered alloy diaphragm, thereby separating the nonhydrolyzable polymer B.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Applicant: TOPPAN INC.
    Inventors: Masaru WATANABE, Aritomo YAMAGUCHI, Osamu SATO, Yuuma IRISA, Akira TAKAMA, Kousuke NISHIMURA, Hiroki KUJIRAOKA, Hideki MIYAZAKI, Keita AKIMOTO, Takuya TAKAHATA, Daisuke KUGIMOTO, Shingo KOUDA, Satoshi HAMURA, Takahiro IMAI, Yumiko OMORI, Manabu KAWA
  • Patent number: 11885347
    Abstract: A centrifugal compressor includes a shaft member and an impeller. The shaft member extends in an axial direction and is rotatable. The impeller includes a hub that is disposed on an end portion of the shaft member, and a plurality of blades disposed on an outer peripheral surface of the hub. The impeller has a shape that tapers outward in the axial direction. A cover member is disposed at least at an end portion of the impeller outside in the axial direction. The cover member is joined to outer peripheries of the plurality of blades in a radial direction and covers at least a part of the plurality of blades from outside in the radial direction. A first bearing is disposed outside in the radial direction of the cover member, the first rotatably supporting the impeller.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: January 30, 2024
    Assignee: Daikin Industries, Ltd.
    Inventors: Arisa Kawae, Kousuke Nishimura
  • Patent number: 11835044
    Abstract: A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1?e1<R1. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of an outer surface of the first eccentric portion. The first coupling portion includes a reinforcement portion with an outer surface positioned radially outside an outer surface of the first shaft portion.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: December 5, 2023
    Assignee: Daikin Industries, Ltd.
    Inventors: Takazou Sotojima, Hirofumi Higashi, Kousuke Nishimura
  • Patent number: 11773907
    Abstract: A thrust gas bearing includes a collar portion fixed to a shaft portion, a first base part facing one axial end surface of the collar portion, a first gas film forming part formed between the collar portion and first base part, a second base part facing an other axial end surface of the collar portion, a second gas film forming part formed between the collar portion and second base part, and a cooling flow path to carry a fluid flow. The cooling flow path includes a first flow path formed on one axial end side of the first base part and extending from an axial center toward an outer periphery, and a second flow path formed on an other axial end side of the second base part and extending from an outer periphery toward an axial center. The second flow path is located downstream of the first flow path.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 3, 2023
    Assignee: Daikin Industries, Ltd.
    Inventors: Bichuan Liu, Kouichi Tanaka, Kousuke Nishimura
  • Publication number: 20230014246
    Abstract: A thrust gas bearing includes a collar portion fixed to a shaft portion, a first base part facing one axial end surface of the collar portion, a first gas film forming part formed between the collar portion and first base part, a second base part facing an other axial end surface of the collar portion, a second gas film forming part formed between the collar portion and second base part, and a cooling flow path to carry a fluid flow. The cooling flow path includes a first flow path formed on one axial end side of the first base part and extending from an axial center toward an outer periphery, and a second flow path formed on an other axial end side of the second base part and extending from an outer periphery toward an axial center. The second to flow path is located downstream of the first flow path.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Inventors: Bichuan LIU, Kouichi TANAKA, Kousuke NISHIMURA
  • Patent number: 11535767
    Abstract: The present invention provides a silver paste containing at least a silver powder, a binder resin, and an organic solvent, wherein the silver powder contains a first silver powder having a D50 of 3.50 to 7.50 ?m and a second silver powder having a D50 of 0.80 to 2.00 ?m, where D50 represents a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement; a copper content of the whole silver powder is 10 to 5000 ppm by mass; a copper content of the second silver powder is 80 ppm by mass or more; and the first silver powder contains substantially no copper. The present invention provides a silver paste containing a powder in a high concentration and excellent in printability, and provides a silver conductor film that has a high filling factor, a high film density, high electrical conductivity, and excellent migration resistance.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: December 27, 2022
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima, Yuji Akimoto
  • Patent number: 11473581
    Abstract: A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1?e1<R1. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of the outer surface of the first eccentric portion. A circumferentially extending groove is formed at an end of an inner peripheral surface of the first piston on a first coupling portion side in the axial direction of the drive shaft.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: October 18, 2022
    Assignee: Daikin Industries, Ltd.
    Inventors: Takazou Sotojima, Kousuke Nishimura, Hirofumi Higashi
  • Publication number: 20220089894
    Abstract: The present invention provides a silver paste containing at least a silver powder, a binder resin, and an organic solvent, wherein the silver powder contains a first silver powder having a D50 of 3.50 to 7.50 ?m and a second silver powder having a D50 of 0.80 to 2.00 ?m, where D50 represents a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement; a copper content of the whole silver powder is 10 to 5000 ppm by mass; a copper content of the second silver powder is 80 ppm by mass or more; and the first silver powder contains substantially no copper. The present invention provides a silver paste containing a powder in a high concentration and excellent in printability, and provides a silver conductor film that has a high filling factor, a high film density, high electrical conductivity, and excellent migration resistance.
    Type: Application
    Filed: November 28, 2019
    Publication date: March 24, 2022
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima, Yuji Akimoto
  • Publication number: 20220089885
    Abstract: The present invention provides a silver paste, containing at least a silver powder, a binder resin, and an organic solvent, in which a content of the silver powder based on the silver paste is 80.00 to 97.00% by mass, D10 is 1.00 to 3.00 ?m and D50 is 3.00 to 7.00 ?m, where D10 and D50 respectively represent a 10% value and a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement of the silver powder, the silver powder has a specific surface area of 0.10 to 0.30 m2/g, the silver powder has a copper content of 10 to 5000 ppm by mass, a content of the binder resin based on the silver powder is 0.430 to 0.750% by mass, and the silver paste has a dry film density of 7.50 g/cm3 or more.
    Type: Application
    Filed: November 28, 2019
    Publication date: March 24, 2022
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima
  • Publication number: 20220072607
    Abstract: The present invention provides a silver paste containing at least a silver powder, a binder resin, and an organic solvent, in which a value CBND/SBET is 2.0 to 3.4 where SBET (m2/g) represents a specific surface area of the silver powder, and CBND (% by mass) represents a content percentage of the binder resin based on the silver powder, a copper content of the silver powder is 10 to 5000 ppm by mass, and the silver paste has a dry film density of 7.50 g/cm3 or more. The present invention can provide a silver paste containing a powder in a high concentration and excellent in printability, and accordingly provide a silver conductor film that has a high filling factor and a high film density, exhibits high electrical conductivity, and is excellent in migration resistance.
    Type: Application
    Filed: November 28, 2019
    Publication date: March 10, 2022
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima
  • Publication number: 20220010804
    Abstract: A centrifugal compressor includes a shaft member and an impeller. The shaft member extends in an axial direction and is rotatable. The impeller includes a hub that is disposed on an end portion of the shaft member, and a plurality of blades disposed on an outer peripheral surface of the hub. The impeller has a shape that tapers outward in the axial direction. A cover member is disposed at least at an end portion of the impeller outside in the axial direction. The cover member is joined to outer peripheries of the plurality of blades in a radial direction and covers at least a part of the plurality of blades from outside in the radial direction. A first bearing is disposed outside in the radial direction of the cover member, the first rotatably supporting the impeller.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Arisa KAWAE, Kousuke NISHIMURA
  • Publication number: 20200200176
    Abstract: A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1?e1<R1. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of the outer surface of the first eccentric portion. A circumferentially extending groove is formed at an end of an inner peripheral surface of the first piston on a first coupling portion side in the axial direction of the drive shaft.
    Type: Application
    Filed: August 3, 2018
    Publication date: June 25, 2020
    Inventors: Takazou SOTOJIMA, Kousuke NISHIMURA, Hirofumi HIGASHI
  • Publication number: 20200200173
    Abstract: A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1?e1<R1. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of an outer surface of the first eccentric portion. The first coupling portion includes a reinforcement portion with an outer surface positioned radially outside an outer surface of the first shaft portion.
    Type: Application
    Filed: August 3, 2018
    Publication date: June 25, 2020
    Inventors: Takazou SOTOJIMA, Hirofumi HIGASHI, Kousuke NISHIMURA
  • Patent number: 10636541
    Abstract: A conductive paste including a conductive powder, a glass frit, and an organic vehicle, wherein the conductive powder includes copper and/or nickel as a main component(s), and the glass frit is substantially free of Pb, Cd, and Bi, comprises 40 to 65% by mass of BaO, 15 to 23% by mass of B2O3, 2 to 12% by mass of Al2O3, 4 to 8% by mass of SiO2, 0 to 5% by mass of ZnO, 0.5 to 7% by mass of TiO2, 3 to 7.5% by mass of CaO, and comprises any one or more of MnO2, CuO, and CoO in the ranges of 0 to 7% by mass of MnO2, 0 to 16% by mass of CuO, and 0 to 5% by mass of CoO, in terms of oxide.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: April 28, 2020
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Kousuke Nishimura, Naoto Shindo, Nobuo Nishioka
  • Patent number: 10465684
    Abstract: A rotary compressor includes a cylinder having a cylinder chamber and bush groove, a piston housed in the cylinder chamber, a blade formed with the piston to separate the cylinder chamber into low and high pressure chambers, and a pair of bushes. The bushes are fitted in the bush groove with flat surfaces facing each other to hold the blade. The flat surface of at least the bush on the low-pressure side has a crowned portion starting from a position closer to the back pressure space than a swing center position, and extending toward an edge of the bush closer to the cylinder chamber. The swing center position is where a gap between the blade and the bush is constant while the piston rotates eccentrically.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: November 5, 2019
    Assignee: Daikin Industries, Ltd.
    Inventors: Kousuke Nishimura, Takeyoshi Ohkawa, Eiji Kumakura
  • Patent number: 10392535
    Abstract: A binder resin for an inorganic particle-dispersed paste that excels in both printability and adhesiveness and such an inorganic particle-dispersed paste are provided. The resin includes a mixture in which a polyvinyl acetal and a cellulose derivative are mixed so as to satisfy 0.2?X/(X+Y)?0.8, where X and Y stand for parts by mass of the polyvinyl acetal and the cellulose derivative, respectively. When a paste is formulated by mixing and kneading the resin with spherical nickel particles with an average particle diameter of 0.3 ?m, barium titanate particles with an average particle diameter of 0.05 ?m, a nonionic surfactant, dihydroterpineol, and mineral spirit at the prescribed mixing ratio, the paste has prescribed rheological characteristics.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: August 27, 2019
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Takamasa Imai, Seiyu Teruya, Kousuke Nishimura
  • Patent number: 10294941
    Abstract: A compressor includes a cylinder including a cylinder chamber, a piston movably arranged relative to the cylinder in the cylinder chamber, and a sliding member slideable against the cylinder and the piston in the cylinder chamber. The cylinder and the piston are constructed from an Al—Si alloy having a Si content exceeding 12.6 wt %, which is a eutectic point. The sliding member is constructed from steel and has a surface layer including a sliding surface slideable against the cylinder and the piston. The surface layer is treated so as to have greater hardness than hardness of proeutectic Si contained in the Al—Si alloy, and the surface layer has hardness of at least Hv 1000 in the sliding surface.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 21, 2019
    Assignee: Daikin Industries, Ltd.
    Inventors: Kousuke Nishimura, Kazuhiro Furusho, Takeyoshi Ohkawa
  • Patent number: 10249774
    Abstract: A conductive paste for forming solar cell electrodes that obtains favorable electrical characteristics and sufficient adhesion strength to a substrate. The conductive paste for forming a solar cell electrode includes the following: a tellurium-based glass frit containing 30-70 mol % of tellurium, 15-40 mol % of tungsten, 5-30 mol % of zinc, 0-20 mol % of boron, and 0-10 mol % of zirconium (where a total content of boron and zirconium is greater than 0 mol %) in terms of oxides; a conductive powder having silver as a main component and specific surface area of 0.4 m2/g or more; and an organic vehicle.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: April 2, 2019
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Tadashi Kanasaku, Kousuke Nishimura, Masayuki Kurahashi