Patents by Inventor Tasashi Fujimoto

Tasashi Fujimoto 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).

  • Method of making a gasket for layer-built fuel cells
    Patent number: 6649097
    Abstract: A gasket is provided on a porous sheet in one body. The gasket is thin and has an excellent sealability, and processability when the gasket is built in layer-built fuel cells. The gasket is made of liquid rubber and has a hardness not more than 60 (JIS A). Liquid perfluoro rubber and liquid silicone rubber is preferably used for the gasket. And gasket can be made by injection molding.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: November 18, 2003
    Assignee: Nok Corporation
    Inventors: Yasunori Sasaki, Kazuhisa Senda, Osamu Nagai, Shigeo Wakamatsu, Osamu Ando, Tasashi Fujimoto