Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10873093 | Fuel cell and fuel cell stack | Nobuaki Nonoyama | 2020-12-22 |
| 9799897 | Fuel cell | Hiroya Nakaji, Naohiro Takeshita, Hideki Kubo, Takashi Kondo, Norishige Konno | 2017-10-24 |
| 8652587 | Method and apparatus for forming film | Kazuyuki Nakanishi, Takashi Iseki, Yasuhiro Ozawa, Yuka Yamada, Katsumi Sato +4 more | 2014-02-18 |
| 8211495 | Noble metal plating of titanium components | Naotaka Aoyama | 2012-07-03 |
| 7572537 | Fuel cell and separator for the same | Masayoshi Iwase, Hitoshi Hamada, Shigeyuki Kawatsu, Joji Yoshimura | 2009-08-11 |
| 7468217 | Separator passage structure of fuel cell | — | 2008-12-23 |
| 7378167 | Separator passage structure of fuel cell | — | 2008-05-27 |
| 7172830 | Separator for fuel cell and manufacturing method for the same | — | 2007-02-06 |
| 7138200 | Fuel cell and separator for the same | Masayoshi Iwase, Hitoshi Hamada, Shigeyuki Kawatsu, Joji Yoshimura | 2006-11-21 |
| D527401 | Electrode for a plasma torch | Akira Furujo | 2006-08-29 |
| D520037 | Nozzle for plasma torch | Akira Furujo | 2006-05-02 |
| D519137 | Nozzle for plasma torch | Akira Furujo | 2006-04-18 |
| 6887286 | Fuel reformer device | Masayoshi Taki, Toshiaki Ozaki, Tatsuya Kawahara, Katsuhiko Kinoshita, Yoshimasa Negishi | 2005-05-03 |
| 6864011 | Fuel-cell electrode and method of manufacturing the fuel-cell electrode | Tatsuya Kawahara, Takahiko Asaoka, Yu Morimoto, Kazuo Kawahara | 2005-03-08 |
| 6846589 | Seal and fuel cell with the seal | — | 2005-01-25 |
| 6733916 | Method of manufacturing fuel cells and fuel cells manufactured by the method | — | 2004-05-11 |
| 6589685 | Fuel cell electrode catalyst solution and production method therefor | Tatsuya Kawahara | 2003-07-08 |
| 6562501 | Control system for fuel cell | Kiyomi Nagamiya, Masashi Yamashita, Iwao Maeda, Masaaki Yamaoka | 2003-05-13 |
| 6531245 | Fuel cell, separator for the same and method for distributing gas in fuel cell | Tsuyoshi Takahashi, Mikio Wada | 2003-03-11 |
| 6440597 | Seal and fuel cell with the seal | — | 2002-08-27 |
| 6387558 | Fuel cell, separator for the same and method for distributing gas in fuel cell | Tsuyoshi Takahashi, Mikio Wada | 2002-05-14 |
| 6383678 | Separator for fuel cell and a method for producing the separator | Michiyo Kaneko | 2002-05-07 |
| 6245453 | Fuel cell and separator for the same | Masayoshi Iwase, Hitoshi Hamada, Shigeyuki Kawatsu, Joji Yoshimura | 2001-06-12 |
| 5939218 | Polyelectrolytic fuel cell and the method of controlling the operation thereof | — | 1999-08-17 |