Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890234 | NC data modification method | Kunio Tanaka | 1989-12-26 |
| 4835700 | Numerical control data creation method | Kunio Tanaka | 1989-05-30 |
| 4823255 | Method of creating program for drilling holes | Kunio Tanaka | 1989-04-18 |
| 4823273 | Area cutting method | Kunio Tanaka | 1989-04-18 |
| 4823275 | Area cutting method | Kunio Tanaka | 1989-04-18 |
| 4799143 | NC data creation method | Kunio Tanaka, Takashi Takegahara | 1989-01-17 |