Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805360 | Objective lens drive device | Koji Mitsumori, Keiichi Shibata | 1998-09-08 |
| 5684645 | Lens moving apparatus preventing resonance without using yoke bridge and counterweight | Koji Mitsumori, Keiichi Shibata, Hideo Ohkuma | 1997-11-04 |
| 5657172 | Objective lens driving device | Keiichi Shibata, Koji Mitsumori | 1997-08-12 |
| 5535059 | Objective lens drive device and coil bobbin thereof | Koji Mitsumori, Keiichi Shibata | 1996-07-09 |
| 5521762 | Method for producing an objective lens actuator having elastic supports | Koji Mitsumori, Keiichi Shibata | 1996-05-28 |
| 5500771 | Biaxial actuator for optical pickup | — | 1996-03-19 |
| 5313334 | Objective lens moving actuator | Takatoshi Hirata | 1994-05-17 |
| 5161067 | Objective lens driving apparatus for an optical recording and/or reproducing apparatus | Hitoshi Nara, Osamu Adachi | 1992-11-03 |