Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687153 | Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areas | Yoshiaki Komma, Seiji Nishino, Shin-ichi Kadowaki, Hiroaki Yamamoto, Tetsuo Saimi | 1997-11-11 |
| 5648951 | Movable optical head integrally incorporated with objective lens and hologram element | Yoshiaki Komma, Shin-ichi Kadowaki, Yoshikazu Hori, Seiji Nishino, Tetsuo Saimi | 1997-07-15 |
| 5644413 | Optical head for adjusting a positional relation between the information medium and the optical head | Yoshiaki Komma, Sadao Mizuno, Hidenori Wada, Seiji Nishino | 1997-07-01 |
| 5625762 | Method for extracting three-dimensional color vector | Yuri Takizawa, Shinichiro Miyaoka, Makoto Nohmi | 1997-04-29 |
| 5625613 | Super-resolution scanning optical system by incoherently superimposing two beams | Kenichi Kasazumi | 1997-04-29 |
| 5606571 | Microwave powered gas laser apparatus | Nobuaki Furuya, Koichi Saito, Minoru Kimura, Kimikatsu Sato | 1997-02-25 |
| 5594713 | Optical pickup head apparatus | Yoshiaki Komma, Seiji Nishino, Kaoru Matsuda | 1997-01-14 |
| 5594850 | Image simulation method | Hideo Noyama, Makoto Nohmi, Yuri Takizawa | 1997-01-14 |