Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833544 | Image processing apparatus | Yuichi Sato, Tokuichi Tsunekawa, Makoto Katsuma, Shigeki Yamada, Takeshi Kobayashi | 1989-05-23 |
| 4831305 | Vibration wave motor | Hitoshi Mukohjima | 1989-05-16 |
| 4829371 | Film reading apparatus which reads an unexposed portion of a film to determine its type | Takashi Kawabata, Hitoshi Mukohjima, Koichi Washisu | 1989-05-09 |