Patents by Inventor Noriyuki KASHIWAMURA

Noriyuki KASHIWAMURA 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: 11472716
    Abstract: A high-purity barium titanate powder according to the present invention has a Cl? concentration of 20 ppm or less, an electric conductivity of extracted water of 70 ?S/cm or less, and an average particle diameter of 1 ?m to 30 ?m.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: October 18, 2022
    Assignee: DENKA COMPANY LIMITED
    Inventors: Shuji Sasaki, Yuzo Nakamura, Noriyuki Kashiwamura, Kazutoshi Sugita
  • Publication number: 20190135651
    Abstract: A high-purity barium titanate powder according to the present invention has a Cl? concentration of 20 ppm or less, an electric conductivity of extracted water of 70 ?S/cm or less, and an average particle diameter of 1 ?m to 30 ?m.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 9, 2019
    Inventors: Shuji SASAKI, Yuzo NAKAMURA, Noriyuki KASHIWAMURA, Kazutoshi SUGITA