Patents by Inventor Yutaka Goh

Yutaka Goh 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).

  • Polishing agent, stock solution for polishing agent, and polishing method
    Patent number: 10946494
    Abstract: A polishing agent for polishing a resin comprises abrasive grains, a water-soluble polymer having an ether bond, an organic solvent and water, wherein the abrasive grains have a positive charge in the polishing agent and an average particle diameter of the abrasive grains is larger than 20 nm.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: March 16, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Masayuki Hanano, Masaya Nishiyama, Yutaka Goh, Haruaki Sakurai, Tomohiro Iwano
  • Polishing Agent, Stock Solution for Polishing Agent, and Polishing Method
    Publication number: 20180043497
    Abstract: A polishing agent for polishing a resin comprises abrasive grains, a water-soluble polymer having an ether bond, an organic solvent and water, wherein the abrasive grains have a positive charge in the polishing agent and an average particle diameter of the abrasive grains is larger than 20 nm.
    Type: Application
    Filed: March 8, 2016
    Publication date: February 15, 2018
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Masayuki Hanano, Masaya Nishiyama, Yutaka Goh, Haruaki Sakurai, Tomohiro Iwano