Patents by Inventor Kouhei Katsuda

Kouhei Katsuda 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).

  • Composition for producing protective film, protective film, and electrical storage device
    Patent number: 9758629
    Abstract: A composition for forming a protective film that is placed between a positive electrode and a negative electrode of an electrical storage device, includes polymer particles (A1), polymer particles (A2), and a liquid medium, the polymer particles (A1) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of less than 15 parts by mass based on 100 parts by mass of the polymer particles (A1), and the polymer particles (A2) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of 20 to 100 parts by mass based on 100 parts by mass of the polymer particles (A2).
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: September 12, 2017
    Assignee: JSR CORPORATION
    Inventors: Kouhei Katsuda, Yoshiharu Otsuka, Kazuaki Itou, Ichiro Kajiwara, Hiroyuki Miyauchi
  • COMPOSITION FOR PRODUCING PROTECTIVE FILM, PROTECTIVE FILM, AND ELECTRICAL STORAGE DEVICE
    Publication number: 20150240039
    Abstract: A composition for forming a protective film that is placed between a positive electrode and a negative electrode of an electrical storage device, includes polymer particles (A1), polymer particles (A2), and a liquid medium, the polymer particles (A1) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of less than 15 parts by mass based on 100 parts by mass of the polymer particles (A1), and the polymer particles (A2) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of 20 to 100 parts by mass based on 100 parts by mass of the polymer particles (A2).
    Type: Application
    Filed: August 22, 2013
    Publication date: August 27, 2015
    Applicant: JSR CORPORATION
    Inventors: Kouhei Katsuda, Yoshiharu Otsuka, Kazuaki Itou, Ichiro Kajiwara, Hiroyuki Miyauchi