Patents by Inventor Tomoyuki Ohba

Tomoyuki Ohba 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: 11965286
    Abstract: A synthetic resin skin material and a manufacturing method thereof, the synthetic resin skin material including, in this order: a base fabric; a thermoplastic resin layer having a storage elastic modulus at 160° C. of 2,000,000 Pa or less measured in accordance with JIS K 7244 (1998); and a skin layer containing a urethane resin, wherein the synthetic resin skin material has recesses at a side of the skin layer, the recesses having a depth, in a thickness direction of the synthetic resin skin material, that extends from the skin layer as far as an inner part of the thermoplastic resin layer, past a boundary that is present between the skin layer and the thermoplastic resin layer at a non-recessed region.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 23, 2024
    Assignee: KYOWA LEATHER CLOTH CO., LTD.
    Inventors: Tomohisa Sakashita, Tomoyuki Ishiyama, Mayu Ohba, Kento Terai, Akinaka Fukumi
  • Patent number: 6512132
    Abstract: The present invention relates to aqueous solutions of amino group-containing silanol compounds, glass substrates and glass fibers which are surface-treated with the solutions, and processes for the preparation of aqueous solutions of amino-containing silanol compounds. The aqueous solutions of amino group-containing silanol compounds of the present invention are prepared by reacting 1 mole of an aminoalkylsilane with 1.5 to 10 moles of water, and distilling off a volatile organic compound by-producing during the reaction until the content becomes less than 4% by weight.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: January 28, 2003
    Assignee: Chisso Corporation
    Inventors: Yuichi Isoda, Tomoyuki Ohba, Kozaburo Matsumura
  • Publication number: 20030004365
    Abstract: The present invention relates to aqueous solutions of amino group-containing silanol compounds, glass substrates and glass fibers which are surface-treated with the solutions, and processes for the preparation of aqueous solutions of amino-containing silanol compounds.
    Type: Application
    Filed: May 21, 2002
    Publication date: January 2, 2003
    Inventors: Yuichi Isoda, Tomoyuki Ohba, Kozaburo Matsumura
  • Patent number: D977946
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: February 14, 2023
    Assignee: OPTEX CO., LTD.
    Inventors: Atsushi Seo, Takeo Hyodo, Tomoyuki Ohba
  • Patent number: D1003180
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: October 31, 2023
    Assignee: OPTEX CO., LTD.
    Inventors: Atsushi Fujimori, Koki Horiguchi, Takeo Hyodo, Tomoyuki Ohba