Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684645 | Lens moving apparatus preventing resonance without using yoke bridge and counterweight | Takamichi Tomiyama, Keiichi Shibata, Hideo Ohkuma | 1997-11-04 |
| 5657172 | Objective lens driving device | Keiichi Shibata, Takamichi Tomiyama | 1997-08-12 |
| 5617256 | Biaxial actuator | Hiroyasu Uchida | 1997-04-01 |