Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753378 | Cylinder head gasket | Kishou Yasuda, Suguru Onuki, Kazuya Yoshijima | 2010-07-13 |
| 7137631 | Cylinder head gasket | Tsunekazu Udagawa | 2006-11-21 |
| 7014194 | Cylinder head gasket | Tsunekazu Udagawa | 2006-03-21 |
| 6997463 | Cylinder head gasket | Tsunekazu Udagawa | 2006-02-14 |
| 6994353 | Metal gasket | — | 2006-02-07 |
| 6277215 | Stainless steel fur gaskets | Kazuhiko Adachi, Kazuyoshi Fujisawa, Kenichi Goshokubo, Yoshio Yamada | 2001-08-21 |
| 6045139 | Sealing system for metal gasket and gasket attaching portions | — | 2000-04-04 |