Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8542026 | Apparatus for estimating fuel-cell hydrogen concentration and fuel cell system | Kotaro Ikeda, Toshiaki KUSAKARI, Yoshihiro Ikogi, Noriyuki Kobayashi, Hikaru Hasegawa | 2013-09-24 |
| 7713643 | Fuel cell stack | Keiji KISHIDA | 2010-05-11 |
| 7638227 | Fuel cell having stack structure | Yoshihito Kanno | 2009-12-29 |
| 6819868 | Camera | Giichi KANETA | 2004-11-16 |
| 6339200 | Electrostatic insulation for an operating unit for electronic equipment | Lei Shi | 2002-01-15 |
| 6243540 | Lens barrel assembly | Kunio Yokoyama | 2001-06-05 |
| 6213654 | Camera | Takaaki Ue, Masatoshi Sato, Yasuo Asakura | 2001-04-10 |
| 6132110 | Pivotally mounted lens cover for a moveable lens barrel capable of being separated from the lens barrel upon the occurrence of an external force to protect the coupling mechanism from breakage | Takaaki Ue, Yasuo Asakura, Tatsuya Suzuki | 2000-10-17 |
| 5565948 | Camera | Gouichi Hiratsuka | 1996-10-15 |
| 5426477 | Photographic image size switching camera | Yasuo Asakura, Shunji Matsutani | 1995-06-20 |
| 5398088 | Picture-format switchable camera | Yasuo Yamazaki | 1995-03-14 |
| 5325140 | Camera | Yuichi Torikoshi, Goichi Hiratsuka, Hideki Okubo, Takashi Suzuki | 1994-06-28 |