Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687165 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly | Seiji Sugiura, Naoyuki Enjoji, Narutoshi Sugita | 2010-03-30 |
| 7566511 | Solid polymer cell assembly | Naoyuki Enjoji, Yoichi Asano, Hiroshi Shinkai | 2009-07-28 |
| 7465515 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly | Seiji Sugiura, Naoyuki Enjoji, Narutoshi Sugita | 2008-12-16 |
| 7459231 | Polymer electrolyte fuel cell stack and operating method thereof | Naoyuki Enjoji, Hideaki Kikuchi, Narutoshi Sugita, Masaharu Suzuki, Seiji Sugiura | 2008-12-02 |
| 7413821 | Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell | Seiji Sugiura, Narutoshi Sugita, Naoyuki Enjoji | 2008-08-19 |
| 7368199 | Fuel cell stack | Narutoshi Sugita | 2008-05-06 |
| 7348083 | Fuel cell system | Naoyuki Enjoji, Norimasa Kawagoe, Masaharu Suzuki | 2008-03-25 |
| 7311987 | Fuel cell and a temperature control system for the fuel cell | Naoyuki Enjoji, Kazuya Sasamoto, Yuichiro Kosaka | 2007-12-25 |
| 7306873 | Method and apparatus for changing the direction of fluid flow in fuel cell flow fields | Naoyuki Enjoji, Masaharu Suzuki, Yuichiro Kosaka | 2007-12-11 |
| 7226688 | Fuel cell | Yosuke Fujii, Noriaki Osao, Takaki Nakagawa, Hiroshi Shinkai, Katsumi Hayashi | 2007-06-05 |
| 7201981 | Fuel cell stack and method of warming up the same | Naoyuki Enjoji, Toshiaki Ariyoshi, Yuichiro Kosaka, Kazuya Sasamoto | 2007-04-10 |
| 7201990 | Fuel cell stack | Masaharu Suzuki, Hideaki Kikuchi, Narutoshi Sugita, Ichiro Baba, Ken Takahashi +3 more | 2007-04-10 |
| 7174977 | Vehicle with electric motor mounted thereon | Naoyuki Enjoji, Masaharu Suzuki, Hideaki Kikuchi, Masaru Oda | 2007-02-13 |
| 7093792 | Laminar-flow airfoil | Michimasa Fujino | 2006-08-22 |
| 7090941 | Fuel cell stack and a method of supplying reactant gases to the fuel cell stack | Ichiro Baba, Yosuke Fujii, Ken Takahashi, Daisuke Wachi, Hiromichi Yoshida +5 more | 2006-08-15 |
| 7018733 | Fuel cell stack having coolant flowing along each surface of a cooling plate | Seiji Sugiura, Masaharu Suzuki, Tetsuya Koido, Yosuke Fujii, Takaki Nakagawa | 2006-03-28 |
| 6969564 | Fuel cell stack | Narutoshi Sugita, Masaharu Suzuki, Seiji Sugiura, Daisuke Wachi, Yosuke Fujii | 2005-11-29 |
| 6964824 | Fuel cell and method of operating the same | Naoyuki Enjoji, Masaharu Suzuki, Yuichiro Kosaka | 2005-11-15 |
| 6926985 | Fuel cell stack | Hideaki Kikuchi, Masaharu Suzuki, Masaru Oda, Yosuke Fujii, Ichiro Baba | 2005-08-09 |
| 6872483 | Fuel cell stack, method of holding fuel cell stack under pressure, and separators | Seiji Sugiura, Naoyuki Enjoji, Hideaki Kikuchi, Narutoshi Sugita | 2005-03-29 |
| 6858338 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell | Seiji Sugiura, Naoyuki Enjoji, Narutoshi Sugita | 2005-02-22 |
| 6855448 | Fuel cell stack | Hideaki Kikuchi, Seiji Sugiura | 2005-02-15 |
| 6723463 | Fuel cell stack having terminal element located at specified location | Narutoshi Sugita, Minoru Koshinuma, Takashi Komura, Hidemitsu Ono | 2004-04-20 |
| 6686085 | Fuel cell | Yosuke Fujii, Noriaki Osao, Takaki Nakagawa, Hiroshi Shinkai, Katsumi Hayashi | 2004-02-03 |
| 6656621 | Fuel cell stack | Koji Okazaki | 2003-12-02 |