Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021700 | Driving apparatus for ultrasonic motor | Noriyuki Harao, Hiromi Tanoue | 1991-06-04 |
| 4853578 | Driving apparatus for ultrasonic motor | Noriyuki Harao, Hiromi Tanoue | 1989-08-01 |
| 4833359 | Driving apparatus for ultrasonic motor | Hiromi Tanoue, Noriyuki Harao | 1989-05-23 |
| 4473856 | Overcurrent protection apparatus for DC motor | Hiromitsu Nakano, Isao Yoshida | 1984-09-25 |