Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776490 | Fuel cell having closure seal | Mikihiko Kimura, Ryugo Suzuki, Masahiro Mohri, Takaki Nakagawa, Hiroshi Morikawa +2 more | 2010-08-17 |
| 7745062 | Fuel cell having coolant inlet and outlet buffers on a first and second side | Shuhei Goto, Masahiro Mouri | 2010-06-29 |
| 7687165 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly | Yoshinori Wariishi, Naoyuki Enjoji, Narutoshi Sugita | 2010-03-30 |
| 7618735 | Fuel cell with triangular buffers | Shuhei Goto, Kazuya Sasamoto, Narutoshi Sugita | 2009-11-17 |
| 7572538 | Fuel cell | Yosuke Fujii, Narutoshi Sugita | 2009-08-11 |
| 7569301 | Fuel cell | Shuhei Goto | 2009-08-04 |
| 7531265 | Fuel cell | Masaaki Nanaumi, Hiroshi Shinkai, Shuhei Goto | 2009-05-12 |
| 7465515 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly | Yoshinori Wariishi, Naoyuki Enjoji, Narutoshi Sugita | 2008-12-16 |
| 7459231 | Polymer electrolyte fuel cell stack and operating method thereof | Yoshinori Wariishi, Naoyuki Enjoji, Hideaki Kikuchi, Narutoshi Sugita, Masaharu Suzuki | 2008-12-02 |
| 7445866 | Fuel cell stack | Jun Kondo, Shigeru Inai, Hiromichi Yoshida, Hiroyuki Tanaka, Naoki Mitsuta | 2008-11-04 |
| 7413821 | Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell | Yoshinori Wariishi, Narutoshi Sugita, Naoyuki Enjoji | 2008-08-19 |
| 7323269 | Fuel cell | Ryugo Suzuki, Narutoshi Sugita, Hiroyuki Tanaka, Takashi Kuwayama | 2008-01-29 |
| 7220511 | Fuel cell | Takaki Nakagawa, Hiroyuki Tanaka, Takashi Kosaka, Takahiro Yoshida, Narutoshi Sugita +2 more | 2007-05-22 |
| 7201990 | Fuel cell stack | Yoshinori Wariishi, Masaharu Suzuki, Hideaki Kikuchi, Narutoshi Sugita, Ichiro Baba +3 more | 2007-04-10 |
| 7144647 | Fuel cell stack | Narutoshi Sugita, Tadashi Nishiyama, Ken Takahashi | 2006-12-05 |
| 7132189 | Fuel cell stack with bypass | Shigeru Inai, Masahiko Sato, Shuhei Goto | 2006-11-07 |
| 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 |
| 7070872 | Fuel cell stack | Hiroyuki Tanaka | 2006-07-04 |
| 7018733 | Fuel cell stack having coolant flowing along each surface of a cooling plate | Masaharu Suzuki, Tetsuya Koido, Yoshinori Wariishi, Yosuke Fujii, Takaki Nakagawa | 2006-03-28 |
| 6969564 | Fuel cell stack | Yoshinori Wariishi, Narutoshi Sugita, Masaharu Suzuki, Daisuke Wachi, Yosuke Fujii | 2005-11-29 |
| 6872483 | Fuel cell stack, method of holding fuel cell stack under pressure, and separators | Naoyuki Enjoji, Hideaki Kikuchi, Narutoshi Sugita, Yoshinori Wariishi | 2005-03-29 |
| 6866956 | Fuel cell | Narutoshi Sugita | 2005-03-15 |
| 6858338 | Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell | Yoshinori Wariishi, Naoyuki Enjoji, Narutoshi Sugita | 2005-02-22 |
| 6855448 | Fuel cell stack | Hideaki Kikuchi, Yoshinori Wariishi | 2005-02-15 |
| 6846590 | Fuel cell stack having grommet which covers each edge of communicating passages formed in terminal plate | Tadashi Nishiyama, Toshiya Wakahoi | 2005-01-25 |