Patents by Inventor Toyoaki Ishisaki

Toyoaki Ishisaki 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).

  • Ion exchange polymer dispersion and process for its production
    Patent number: 6914111
    Abstract: An ion exchange polymer dispersion having an ion exchange polymer having sulfonic acid groups and a fibrilliform fluorocarbon polymer dispersed in a dispersion medium.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: July 5, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Atsushi Mukoyama, Azusa Ishisaki, Toyoaki Ishisaki
  • Ion exchange polymer dispersion and process for its production
    Publication number: 20030013774
    Abstract: An ion exchange polymer dispersion having an ion exchange polymer having sulfonic acid groups and a fibrilliform fluorocarbon polymer dispersed in a dispersion medium.
    Type: Application
    Filed: May 31, 2002
    Publication date: January 16, 2003
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Atsushi Mukoyama, Toyoaki Ishisaki, Azusa Ishisaki
  • Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production
    Publication number: 20030008198
    Abstract: A process for producing a membrane-electrode assembly for solid polymer electrolyte fuel cells, which comprises bonding electrodes having a catalyst layer containing a catalyst as a cathode and an anode onto both sides of a cation exchange membrane as a solid polymer electrolyte membrane, wherein the cation exchange membrane is formed from a dispersion having a fluorinated polymer having sulfonic acid groups as an ion exchange polymer and a fibrilliform fluorocarbon polymer dispersed in a dispersion medium.
    Type: Application
    Filed: May 31, 2002
    Publication date: January 9, 2003
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Atsushi Mukoyama, Shinji Kinoshita, Toyoaki Ishisaki, Azusa Ishisaki