Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7185349 | Biaxial actuator apparatus and a method for mounting and adjusting the biaxial actuator | Shigekazu Yamamoto | 2007-02-27 |
| 6988275 | Biaxial actuator apparatus and a method for mounting and adjusting the biaxial actuator | Shigekazu Yamamoto | 2006-01-17 |
| 6480460 | Actuator for an objective lens of an optical pickup for preventing skew of the optical axis | Hideo Ohkuma | 2002-11-12 |
| 5805360 | Objective lens drive device | Takamichi Tomiyama, Keiichi Shibata | 1998-09-08 |
| 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 |
| 5541899 | Optical pickup device with movable objective lens and stationary focusing and tracking coils | Hidehiro Kume, Tomoyuki Ishida | 1996-07-30 |
| 5535059 | Objective lens drive device and coil bobbin thereof | Takamichi Tomiyama, Keiichi Shibata | 1996-07-09 |
| 5521762 | Method for producing an objective lens actuator having elastic supports | Takamichi Tomiyama, Keiichi Shibata | 1996-05-28 |
| 5073883 | Objective lens driving apparatus including parallalogram structure | — | 1991-12-17 |
| 5005162 | Optical head devices for use in disc players | Hidehiro Kume | 1991-04-02 |
| 4897828 | Optical pickup device | You Yoshitoshi, Hidehiro Kume, Yoshiyuki Matsumoto, Etsufumi Yamamoto, Hiroshi Oinoue | 1990-01-30 |
| 4893296 | Optical pickup device | Yoshiyuki Matsumoto, Hidehiro Kume, You Yoshitoshi, Etsufumi Yamamoto, Hiroshi Oinoue | 1990-01-09 |