Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233279 | Feedback-type position control method | — | 1993-08-03 |
| 5231340 | Servomotor control method | Kaname Matsumoto | 1993-07-27 |
| 5225992 | Computerized overcurrent detector | Katsuo Kobari, Shinji Seki | 1993-07-06 |
| 5034672 | Reference-point return method | Keiji Sakamoto, Kaname Matsumoto | 1991-07-23 |
| 4914370 | Servo-control circuit | Keiji Sakamoto | 1990-04-03 |
| 4882528 | Digital servo system | Masatoyo Sogabe, Kanemasa Okuda, Keiji Sakamoto | 1989-11-21 |
| 4864209 | Negative feedback control system | Shinji Seki | 1989-09-05 |