Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858439 | Device for varying a stroke | Takeshi Takahashi | 1989-08-22 |
| 4817469 | Automatic transmission for automobile and method of controlling same | Takashi Shigematsu, Tomoyuki Watanabe, Setsuo Tokoro | 1989-04-04 |
| 4814659 | Variable cross-section piezoelectric actuator | — | 1989-03-21 |