Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139408 | Synthetic graphite material, synthetic graphite material production method, negative electrode for lithium ion secondary battery, and lithium ion secondary battery | Takashi Suzuki, Takashi Maeda, Takahiro Shirai, Hiroshi Kawachi, Noriyuki Kiuchi | 2024-11-12 |
| 12043548 | Synthetic graphite material, synthetic graphite material production method, negative electrode for lithium ion secondary battery, and lithium ion secondary battery | Takashi Suzuki, Takashi Maeda, Takahiro Shirai, Hiroshi Kawachi, Noriyuki Kiuchi | 2024-07-23 |
| 8715869 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2014-05-06 |
| 8563181 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2013-10-22 |
| 8268500 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2012-09-18 |
| 8221926 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2012-07-17 |
| 8206866 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2012-06-26 |
| 8067126 | Fuel cell, method for operating full cell and fuel cell system | Takaaki Matsubayashi, Yasunori Yoshimoto, Akira Hamada | 2011-11-29 |
| 7285352 | Separator for fuel cell and fuel cell therewith | Yasunori Yoshimoto, Akira Hamada, Takaaki Matsubayashi, Takashi Kawanabe | 2007-10-23 |
| 6566002 | Polymer electrolyte fuel cell | Yasunori Yoshimoto, Akira Hamada | 2003-05-20 |
| 6492054 | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate | Takashi Yasuo, Shigeru Sakamoto, Yasunori Yoshimoto, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-12-10 |
| 6329094 | Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics | Takashi Yasuo, Toru Nakaoka, Akira Hamada, Yasuo Miyake, Yasunori Yoshimoto | 2001-12-11 |