Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345432 | Optical head | Akihiro Kasahara, Hideo Yamasaki, Sou Ishika | 1994-09-06 |
| 5337865 | Viscoelastic substance and objective lens driving apparatus with the same | Akihiro Kasahara, Akira Yamada, Katsutoshi Wada, Hideo Yamasaki | 1994-08-16 |
| 5293372 | Apparatus for optically recording and reproducing information from an optical recording medium | Isao Hoshino, Takayuki Asano | 1994-03-08 |