Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855019 | Electrodeposited grindstone | Hajime Yoshioka, Sadato Shigemura, Tohru Funada, Satoshi Morimoto | 1989-08-08 |
| 4805721 | Power transmitting system for a four-wheel drive vehicle | Mitsuo Takahashi, Fusami Oyama | 1989-02-21 |