Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289634 | Valve assembling method and assembled valve checking method | Sueyoshi Makino, Hideo Ishizuka, Tadashi Shimada, Asashi Nishikiori, Yoshiaki Suwa +1 more | 1994-03-01 |