Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619523 | Cam shaft for engine and method for manufacturing same | Youji Asakura, Hideo Tone, Akira Asai, Shoichi Furuya | 2020-04-14 |
| 5092734 | Filter feeder | Yutaka Sakoda | 1992-03-03 |