Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884211 | Numerical control unit file protection system | Kunio Tanaka, Masashi Yukutomo, Teruyuki Matsumura | 1989-11-28 |
| 4841432 | Method of reconfiguration of storage areas in an apparatus for cheating NC tapes | Takashi Takegahara, Masashi Yukutomo | 1989-06-20 |
| 4831235 | Automatic welding machine torch movement control system | Shinsuke Sakakibara, Haruyuki Ishikawa | 1989-05-16 |
| 4803633 | Machine tool for tracer controlled machinery and numerical controlled machinery | Mitsuo Matsui, Hitoshi Aramaki | 1989-02-07 |