Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882670 | Numerical control system | Shinichi Isobe, Mitsuto Miyata | 1989-11-21 |
| 4814521 | Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene | Takayuki Tanonaka, Hiroyuki Enari, Yutaka Konai | 1989-03-21 |
| 4811780 | Continuous casting apparatus for metal strip | Morihiro Hasegawa, Ryuichi Akiyama | 1989-03-14 |
| 4802083 | Image reader graphic input method | Shinichi Isobe | 1989-01-31 |