Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362976 | Driving circuit for DC motor | Yoshiki Fujioka, Mitsuhiko Hirota | 1982-12-07 |
| 4327315 | Induction motor drive apparatus | Shigeki Kawada, Hiroshi Ishida | 1982-04-27 |
| 4322671 | Induction motor drive apparatus | Shigeki Kawada, Hiroshi Ishida | 1982-03-30 |
| 4284939 | Device for detecting opposite phase and open phase | Shigeki Kawada, Yoshiki Fujioka, Naoto Ohta | 1981-08-18 |