Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663842 | Surface wave motor built-in lens barrel | Tooru Takayama | 1997-09-02 |
| 5625247 | Vibration driven motor | Tadao Takagi, Daisuke Saya, Ryouichi Suganuma, Kunihiro Fukino | 1997-04-29 |