Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785031 | Polymer electrolyte fuel cell separator made of pure titanium or titanium alloy and method of production of same | Michio Kaneko, Kazuhiro Takahashi, Kiyonori Tokuno, Hiroshi Kihira | 2014-07-22 |
| 8361676 | Solid polymer type fuel cell separator and method of production of same | Koki Tanaka, Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Tamotsu Itoh | 2013-01-29 |
| 8304141 | Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator | Hiroshi Kihira, Michio Kaneko, Mitsuharu Yamagata, Koki Tanaka, Yoichi Ikematsu +3 more | 2012-11-06 |
| 8182961 | Solid polymer type fuel cell separator and method of production of same | Koki Tanaka, Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Tamotsu Itoh | 2012-05-22 |
| 8061217 | Apparatus for measuring a flow rate of a powder | Mitsuo Shintani, Manabu Yamaguchi, Yoshiki Aramatsu | 2011-11-22 |
| 7807281 | Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator | Hiroshi Kihira, Michio Kaneko, Mitsuharu Yamagata, Koki Tanaka, Yoichi Ikematsu +3 more | 2010-10-05 |
| 6726953 | Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cell | Hiroshi Kihira | 2004-04-27 |