Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246646 | Focus control apparatus for multilayer optical recording medium | Hiroyuki Abe, Shinichi Naohara, Takeshi Sato, Alex Bradshaw, Hideaki Watarihana +2 more | 2001-06-12 |
| 6243347 | Auto-loading disk player | Seiji Kato, Toshiyuki Fukami, Takehiro Takada | 2001-06-05 |
| 6151280 | Focus jump control apparatus of a player for multilayer recording disc | Shinichi Naohara, Takashi Suzuki, Alex Bradshaw, Motoi Kimura, Norio Matsuda +1 more | 2000-11-21 |
| 6147942 | Focus control apparatus for multilayer optical recording medium | Hiroyuki Abe, Takeshi Sato, Hideaki Watarihana, Shinichi Naohara, Motoi Kimura +2 more | 2000-11-14 |
| 6101157 | Apparatus and method for focus control of read light irradiated on a recording surface | Alex Bradshaw, Masakazu Takahashi, Yuichi Kimikawa, Hitoshi Yamazaki, Hideaki Watarihana | 2000-08-08 |
| 6091680 | Focus control apparatus | Norio Matsuda, Takashi Suzuki, Hitoshi Yamazaki, Yuichi Kimikawa, Masakazu Takahashi +1 more | 2000-07-18 |
| 5886963 | Gain control device for servo control | Hiroyuki Abe, Kazuhiro Kiyoura, Yoshifumi Fujino, Koichiro Haraguchi, Takehiro Takada +1 more | 1999-03-23 |
| 5761164 | Gain control device for servo control | Hiroyuki Abe, Kazuhiro Kiyoura, Yoshifumi Fujino, Koichiro Haraguchi, Takehiro Takada +1 more | 1998-06-02 |