Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317517 | Digitizing method | Hitoshi Matsuura, Osamu Nakajima | 1994-05-31 |
| 5309364 | Trace control method | Tetsuji Okamoto | 1994-05-03 |
| 5283509 | Tracing control system | Hitoshi Matsuura | 1994-02-01 |