Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636613 | Cylinder head porting arrangement for multi-valve engine | Tateo Aoyama, Masato Nishigaki, Takashi Hara | 1997-06-10 |
| 5610464 | Direct current motor having a decreasing cogging torque | Yoshinari Asano | 1997-03-11 |