Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173887 | Carriage servo method and apparatus for determining and setting a drive signal | — | 2007-02-06 |
| 6985412 | Focus servo controller with collision avoidance and method therefor | Alex Bradshaw, Shinichi Naohara, Norio Matsuda | 2006-01-10 |
| 6980493 | Information recording medium conveyer | Nobutaka Kawakita, Katsunori Tamamura, Hiroyuki Matsumoto, Takao Yoshida, Masashi Takano | 2005-12-27 |
| 6892385 | Information recording medium conveyor | Nobutaka Kawakita, Takeshi Matsumoto, Katsunori Tamamura, Takao Yoshida, Yasuhiro Shinkai | 2005-05-10 |
| 6552984 | Liquid crystal tilt servo apparatus | Hitoshi Yamazaki, Morio Nozaki, Takeshi Sato, Motoi Kimura | 2003-04-22 |
| 6295256 | Focusing bias adjusting apparatus and method in optical recording medium playing apparatus | Motoi Kimura, Hitoshi Yamazaki, Alex Bradshaw, Morio Nozaki | 2001-09-25 |
| 6256273 | Focusing control apparatus for optimally directing light onto a recording surface | Norio Matsuda, Hiroyuki Abe, Shinichi Naohara, Hitoshi Yamazaki, Takashi Suzuki +1 more | 2001-07-03 |
| 6147942 | Focus control apparatus for multilayer optical recording medium | Hiroyuki Abe, Takeshi Sato, Kazushige Kawana, Hideaki Watarihana, Shinichi Naohara +2 more | 2000-11-14 |
| 6101157 | Apparatus and method for focus control of read light irradiated on a recording surface | Alex Bradshaw, Kazushige Kawana, Masakazu Takahashi, Hitoshi Yamazaki, Hideaki Watarihana | 2000-08-08 |
| 6091680 | Focus control apparatus | Norio Matsuda, Takashi Suzuki, Kazushige Kawana, Hitoshi Yamazaki, Masakazu Takahashi +1 more | 2000-07-18 |
| 5954629 | Brain wave inducing system | Masatoshi Yanagidaira, Takeshi Fukami, Mitsuo Yasushi | 1999-09-21 |