Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882670 | Numerical control system | Mitsuto Miyata, Takashi Yamauchi | 1989-11-21 |
| 4855657 | Positioning system | Yoshimasa Kagawa | 1989-08-08 |
| 4802083 | Image reader graphic input method | Takashi Yamauchi | 1989-01-31 |