Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367403 | Optical element and method of fabricating the same | Seiji Nishino, Kazuhisa Yamamoto | 1994-11-22 |
| 5357533 | Frequency doubler and laser source | Kiminori Mizuuchi, Kazuhisa Yamamoto, Makoto Kato, Hisanao Sato | 1994-10-18 |
| 5296694 | Optical pick-up head apparatus with optical means having polarization anisotropy | Shin-ichi Kadowaki, Yoshiaki Komma, Seiji Nishino | 1994-03-22 |