Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270632 | Driving system for an induction motor having a circuit for generating a slip pulse and a phase shifting pulse | Tadashi Inoue | 1993-12-14 |
| 4928052 | Power supply regenerating circuit | Yoshiki Fujioka | 1990-05-22 |
| 4837491 | Motor velocity control apparatus | Yoshiki Fujioka | 1989-06-06 |
| 4641069 | Plural motor changeover control system | Yoshiki Fujioka | 1987-02-03 |
| 4626762 | AC motor control system | Yoshiki Fujioka | 1986-12-02 |
| 4588937 | Position control apparatus | Yoshiki Fujioka, Naoto Ota | 1986-05-13 |
| 4581569 | AC motor control apparatus | Yoshiki Fujioka | 1986-04-08 |
| 4499414 | AC Motor control method | Yoshiki Fujioka | 1985-02-12 |
| 4362976 | Driving circuit for DC motor | Yoshiki Fujioka, Yutaka Koiwai | 1982-12-07 |
| 4268781 | DC Motor drive system | Shigeki Kawada, Shigeaki Oyama, Yoshiki Fujioka, Toyohiko Nishimori | 1981-05-19 |
| 4268782 | Control system for a DC motor | Shigeki Kawada, Yoshiki Fujioka, Naoto Ohta | 1981-05-19 |
| 4207504 | Spindle control system | Shigeki Kawada, Yoshiki Fujioka | 1980-06-10 |