Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886695 | Ceramic-metal composite bodies | Takeyuki Mizuno | 1989-12-12 |
| 4884668 | Automatic transmission shift control device | Satoshi Kobayashi | 1989-12-05 |
| 4821466 | Method for grinding using a magnetic fluid and an apparatus thereof | Noritsugu Umehara, Shigeru Adachi, Shin Sato | 1989-04-18 |