Patents by Inventor Keiji Oakada

Keiji Oakada 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).

  • ELECTRICAL CONDUCTIVE MEMBER AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME
    Publication number: 20110287336
    Abstract: An electrical conductive member includes: an electrical conductive structure including: a substrate (31, 152, 252, 352, 452); an electrical conductive carbon layer (33, 155, 254, 354, 454) provided on at least one surface of the substrate and containing electrical conductive carbon; and a middle layer (32, 154, 256, 356, 456) interposed between the substrate and the electrical conductive carbon layer. An intensity ratio R (ID/IG) of a D-band peak intensity (ID) to a G-band peak intensity (IG) measured by a Raman scattering spectroscopic analysis in the electrical conductive carbon layer is 1.3 or more.
    Type: Application
    Filed: October 20, 2009
    Publication date: November 24, 2011
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Tomokatsu Himeno, Atsushi Miyazawa, Motoki Yaginuma, Keisuke Yamamoto, Keiji Oakada, Tsutomu Yamazaki, Yasuhiro Numao, Toshihiko Tsuda