Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10529998 | Fuel cell stack, and method of determining maintenance time of fuel cell stack | Katsunori Saiki | 2020-01-07 |
| 9647278 | Metal separator for fuel cells and manufacturing method thereof | Teruyuki Ohtani, Natsuki Anzai | 2017-05-09 |
| 8980501 | Fuel cell metal separator and noble metal coating method therefor | Teruyuki Ohtani, Toshiki Kawamura | 2015-03-17 |
| 8574780 | Fuel cell separator with chromium rich surface layer and method of producing the fuel cell separator | Satoru Terada, Daisuke Okonogi, Takahiro Takai | 2013-11-05 |
| 8221923 | Stop method for fuel cell system and fuel cell system | Shigeru Inai, Hiromichi Yoshida, Hideo Kato, Katsumi Hayashi, Ryo Jinba +2 more | 2012-07-17 |
| 7981570 | Fuel cell | Takahiro Takai | 2011-07-19 |
| 7838171 | Metal separator for fuel cell and its production method | Teruyuki Ohtani, Makoto Tsuji | 2010-11-23 |
| 7722977 | Fuel cell stack comprising current collector provided at least at one fluid passage | Masahiko Sato, Takahiro Takai, Makoto Tsuji, Hayato Kaji, Shuhei Goto +1 more | 2010-05-25 |
| 7507490 | Metal separator for fuel cell and its production method | Teruyuki Ohtani, Makoto Tsuji, Koji Kotani | 2009-03-24 |
| 7475600 | Method of and apparatus for evaluating elastic member quality | Soushi Rinoie, Daisuke Okonogi | 2009-01-13 |
| 7325432 | Method for manufacturing fuel cell metallic separator | Teruyuki Ohtani, Makoto Tsuji, Koji Kotani | 2008-02-05 |
| 7214440 | Metallic separator for fuel cell and production method for the same | Makoto Tsuji, Takashi Kuwayama, Teruyuki Ohtani | 2007-05-08 |
| 7166386 | Separator for fuel cell and method for preparation thereof | Teruyuki Ohtani, Makoto Tsuji | 2007-01-23 |
| 7147956 | Fuel cell and separator therefor | Teruyuki Ohtani, Makoto Tsuji | 2006-12-12 |
| 7049022 | Metal separator for fuel cell and production method therefor | Teruyuki Ohtani, Makoto Tsuji | 2006-05-23 |
| 7014938 | Separator for fuel cell | Teruyuki Ohtani, Makoto Tsuji | 2006-03-21 |
| 7001683 | Separator for fuel cell and method for producing the same | Teruyuki Ohtani, Makoto Tsuji | 2006-02-21 |
| 6953636 | Press separator for fuel cell made of stainless steel press formed in contiguous corrugations | Teruyuki Ohtani, Makoto Tsuji | 2005-10-11 |
| 6884363 | Method of surface treatment for stainless steel product for fuel cell | Teruyuki Ohtani, Makoto Tsuji | 2005-04-26 |
| 6861172 | Current-collecting structure in fuel cell system | Teruyuki Ohtani, Makoto Tsuji | 2005-03-01 |
| 6858339 | Separator for fuel cell and fuel cell | Teruyuki Ohtani, Makoto Tsuji | 2005-02-22 |
| 6670066 | Separator for fuel cell | Makoto Tsuji, Teruyuji Ohtani, Nobuhiro Saito | 2003-12-30 |