Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7786650 | Ultrasonic motor | Masaki Takasan, Hirohiko Ishikawa, Koji Maeda, Kazuo Seiki | 2010-08-31 |
| 7638927 | Vibration actuator | Masaki Takasan, Hirohiko Ishikawa, Kazuo Seiki, Kitaru Iwata | 2009-12-29 |