Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498826 | Metal ring gasket | Kenichi Takahiro, Kanji Hanashima, Toshihiro Oikawa | 2004-11-23 |
| 6774515 | Rotary electric power generator | Shigekazu Kieda, Masayuki Kaiho, Ryoichi Shiobara, Kenichi Hattori | 2004-08-10 |