Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913660 | Cylinder head | Keisuke Komura, Toshihiko Oka, Norio Takayasu | 2011-03-29 |
| 7677219 | Cylinder head | Keisuke Komura, Toshihiko Oka, Norio Takayasu | 2010-03-16 |
| 7152566 | Cylinder head structure | Satoshi Matsui, Toshihiko Oka, Koichi Yoshimoto, Yoshinori Sakurai, Tetsushi Nagira | 2006-12-26 |
| 6446833 | Automatic nut feeding device | Yukinori Fujimoto | 2002-09-10 |