Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367403 | Optical element and method of fabricating the same | Hiroaki Yamamoto, Kazuhisa Yamamoto | 1994-11-22 |
| 5301182 | Optical pickup head | Yoshiaki Komma, Yoshikazu Hori | 1994-04-05 |
| 5296694 | Optical pick-up head apparatus with optical means having polarization anisotropy | Shin-ichi Kadowaki, Yoshiaki Komma, Hiroaki Yamamoto | 1994-03-22 |
| 5293038 | Optical pick-up head apparatus wherein hollographic optical element and photodetector are formed on semiconductor substrate | Shinichi Kadowaki, Yoshiaki Komma | 1994-03-08 |
| 5283771 | Optical pickup head | Shinichi Kadowaki, Yoshiaki Komma | 1994-02-01 |