Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785978 | Oil level gauge guide device | Shigehiro Matsumoto, Kenji Kurihara | 2004-09-07 |
| 6062572 | Metal gasket | Keiichi Hasegawa, Toshiaki Katsumata, Atsushi Suzuki, Namieki Osawa, Hideki Muramatsu | 2000-05-16 |