Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314933 | Piston for internal combustion engines | Tadashi Iijima | 2001-11-13 |
| 4541304 | Connecting rod made of fiber reinforced plastic material | Kazuo Chikugo, Taku Murakami | 1985-09-17 |