Patents by Inventor Yukihiro Iwasaki

Yukihiro Iwasaki 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: 11059997
    Abstract: A polishing composition comprising an abrasive grain; a modified microfibril cellulose in which at least a part of the cellulose units has a hydroxyl group at the C6 position oxidized to a carboxyl group; and a dispersion medium, wherein each content of Na and K is 100 ppm or less relative to the solids weight.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 13, 2021
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Michio Komatsu, Yukihiro Iwasaki, Hiroyasu Nishida, Yuji Tawarazako, Kazuhiro Nakayama
  • Patent number: 10844259
    Abstract: Disclosed is a silica-based composite fine particle dispersion including a silica-based composite fine particle which comprises a mother particle containing amorphous silica as a main component with a child particle containing crystalline ceria as a main component on a surface thereof. Features of the silica-based composite fine particle include a silica to ceria mass ratio of 100:11 to 316, and when subjected to X-ray diffraction, only the crystalline phase of ceria is detected, and when subjected to X-ray diffraction for measurement, the crystalline ceria has a crystallite diameter of 10 to 25 nm.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: November 24, 2020
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Yuji Tawarazako, Michio Komatsu, Kazuhiro Nakayama, Yukihiro Iwasaki, Yoshinori Wakamiya, Shota Kawakami, Shinya Usuda
  • Publication number: 20190367777
    Abstract: A polishing composition comprising an abrasive grain; a modified microfibril cellulose in which at least a part of the cellulose units has a hydroxyl group at the C6 position oxidized to a carboxyl group; and a dispersion medium, wherein each content of Na and K is 100 ppm or less relative to the solids weight.
    Type: Application
    Filed: December 28, 2017
    Publication date: December 5, 2019
    Applicant: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Michio KOMATSU, Yukihiro IWASAKI, Hiroyasu NISHIDA, Yuji TAWARAZAKO, Kazuhiro NAKAYAMA
  • Publication number: 20190153279
    Abstract: Disclosed is a silica-based composite fine particle dispersion including a silica-based composite fine particle which comprises a mother particle containing amorphous silica as a main component with a child particle containing crystalline ceria as a main component on a surface thereof. Features of the silica-based composite fine particle include a silica to ceria mass ratio of 100:11 to 316, and when subjected to X-ray diffraction, only the crystalline phase of ceria is detected, and when subjected to X-ray diffraction for measurement, the crystalline ceria has a crystallite diameter of 10 to 25 nm.
    Type: Application
    Filed: April 5, 2017
    Publication date: May 23, 2019
    Inventors: Yuji Tawarazako, Michio Komatsu, Kazuhiro Nakayama, Yukihiro Iwasaki, Yoshinori Wakamiya, Shota Kawakami, Shinya Usuda
  • Patent number: 9757888
    Abstract: A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: September 12, 2017
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori, Katsuhiko Funaki, Hirofumi Zenkoh
  • Publication number: 20150122331
    Abstract: An encapsulating sheet for solar cell for encapsulating a solar cell, in which, in a case in which a square sheet obtained by cutting the sheet so that a planar shape becomes a square shape is heated at the atmospheric pressure and 150° C. for 15 minutes and is thus thermally shrunk, when a length of one side of the square sheet before being thermally shrunk is represented by L, a direction in parallel with a first side is considered as a first direction, and a direction perpendicular to the first side is considered as a second direction, and in the thermally-shrunk square sheet, a shortest length in the first direction is represented by M1, and a shortest length in the second direction is represented by M2, 0?|(M1?M2)/L|?0.4 is satisfied.
    Type: Application
    Filed: February 7, 2013
    Publication date: May 7, 2015
    Applicant: Mitsui Chemicals Tohcello, Inc.
    Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori
  • Publication number: 20150084230
    Abstract: A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 26, 2015
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori, Katsuhiko Funaki, Hirofumi Zenkoh
  • Publication number: 20080019075
    Abstract: A dielectric capacitor includes: a TiAlN film formed on a base substrate; a first electrode formed above the TiAlN film; a dielectric film formed above the first electrode; and a second electrode formed above the dielectric film, wherein the TiAlN film is crystalline, and has a (200) plane preferentially oriented in parallel with a surface of the base substrate.
    Type: Application
    Filed: July 19, 2007
    Publication date: January 24, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tatsuo SAWASAKI, Yukio KITAHARA, Yukihiro IWASAKI
  • Patent number: 7244979
    Abstract: A semiconductor memory device includes a substrate having a semiconductor element formed thereon, an interlayer dielectric layer formed above the substrate, a plug formed in the interlayer dielectric layer, an adhesion layer formed in a region including a region above the plug, and a ferroelectric capacitor formed above the adhesion layer and having a lower electrode, a ferroelectric layer and an upper electrode, wherein an oxidized layer is formed in a part of the adhesion layer at a side wall thereof.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 17, 2007
    Assignee: Seiko Epson Corporation
    Inventors: Yukihiro Iwasaki, Tatsuo Sawasaki, Kazumasa Hasegawa
  • Patent number: 7212024
    Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: May 1, 2007
    Assignees: Sharp Kabushiki Kaisha
    Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
  • Publication number: 20060138506
    Abstract: A semiconductor memory device includes a substrate having a semiconductor element formed thereon, an interlayer dielectric layer formed above the substrate, a plug formed in the interlayer dielectric layer, an adhesion layer formed in a region including a region above the plug, and a ferroelectric capacitor formed above the adhesion layer and having a lower electrode, a ferroelectric layer and an upper electrode, wherein an oxidized layer is formed in a part of the adhesion layer at a side wall thereof.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 29, 2006
    Inventors: Yukihiro Iwasaki, Tatsuo Sawasaki, Kazumasa Hasegawa
  • Publication number: 20050068057
    Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.
    Type: Application
    Filed: September 28, 2004
    Publication date: March 31, 2005
    Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
  • Patent number: 6798231
    Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: September 28, 2004
    Assignee: Ishiwawajima-Harima Heavy Industries Co., Ltd. & Sharp Kabushiki Kaisha
    Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
  • Publication number: 20030113007
    Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.
    Type: Application
    Filed: October 29, 2002
    Publication date: June 19, 2003
    Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
  • Patent number: 5492762
    Abstract: Conductive substrate having on their surface a coating formed from a coating solution for forming a transparent conductive coating prepared by dispersion of dissolving in water and/or organic solvent such conductive particles as having (a) an average particle diameter of not more than 500 .ANG., wherein (b) an amount of particles having a particle diameter of not more than 600 .ANG. is more than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 .ANG. is more than 5% by weight and (d) an amount of particles having a particle diameter of more than 1000 .ANG.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: February 20, 1996
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Toshiharu Hirai, Michio Komatsu, Akira Nakashima, Yoneji Abe, Yukihiro Iwasaki
  • Patent number: 5376308
    Abstract: Conductive substrate having on their surface a coating formed from a coating solution for forming a transparent conductive coating prepared by dispersion of dissolving in water and/or organic solvent such conductive particles as having (a) an average particle diameter of not more than 500 .ANG., wherein (b) an amount of particles having a particle diameter of not more than 600 .ANG. is more than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 .ANG. is more than 5% by weight and (d) an amount of particles having a particle diameter of more than 1000 .ANG.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: December 27, 1994
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Toshiharu Hirai, Michio Komatsu, Akira Nakashima, Yoneji Abe, Yukihiro Iwasaki