Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469352 | Operation history display device of numerical control apparatus | Shigeru Isohata, Osamu Yamazaki | 1995-11-21 |
| 4884211 | Numerical control unit file protection system | Hajimu Kishi, Kunio Tanaka, Teruyuki Matsumura | 1989-11-28 |
| 4841432 | Method of reconfiguration of storage areas in an apparatus for cheating NC tapes | Hajimu Kishi, Takashi Takegahara | 1989-06-20 |
| 4667079 | Electrode retraction control system of electric discharge machine | Teruyuki Matsumura | 1987-05-19 |