Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921598 | Polymer electrolyte fuel cell and method of manufacturing the same | Tatsuo Yamazaki, Junji Niikura, Nobuhiro Hase, Kazuhito Hatoh, Hisaaki Gyoten +2 more | 2005-07-26 |
| 6892827 | Electrically operated vibrating drill/driver | Kazuto Toyama | 2005-05-17 |
| 6880978 | Rolling bearing for hard disk drive | Yasunobu Fujita, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more | 2005-04-19 |