Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967515 | Numerically controlled grinding machine | Toshio Tsujiuchi, Norio Ohta | 1990-11-06 |
| 4956946 | Numerically controlled grinding machine | Toshio Tsujiuchi, Norio Ohta | 1990-09-18 |
| 4902951 | Numerically controlled machine tool | Norio Ohta, Yoshinobu Yotsui, Kouichi Isomura | 1990-02-20 |