Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345432 | Optical head | Akihiro Kasahara, Takashi Yoshizawa, Sou Ishika | 1994-09-06 |
| 5337865 | Viscoelastic substance and objective lens driving apparatus with the same | Akihiro Kasahara, Akira Yamada, Takashi Yoshizawa, Katsutoshi Wada | 1994-08-16 |
| 5319624 | Electromagnetic actuator and optical disk apparatus incorporating the same | Makoto Nagasato | 1994-06-07 |
| 5317552 | Linear actuator for driving an optical head incorporated in an optical disk | — | 1994-05-31 |