Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042815 | Cylinder head gasket and engine | Yoshihiro Okuno, Kazuya Yoshijima, Tsutomu Endou | 2011-10-25 |
| 5588657 | Laminated metal gasket with diverse bead height | Katsuhide Fujisawa, Eiichi Tahara | 1996-12-31 |