Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337572 | Device for manufacture of assembled cam shaft | Akio Takahashi, Chiaki Tsumuki, Hitoshi Nakamura | 1982-07-06 |
| 4265388 | Process for manufacture of assembled cam shaft | Akio Takahashi, Chiaki Tsumuki, Hitoshi Nakamura | 1981-05-05 |