Issued Patents 2005
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975574 | Device and method for controlling tilt servo | Naoharu Yanagawa | 2005-12-13 |
| 6956802 | Aperture ratio measuring apparatus for optical recording medium with pre-pits | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-10-18 |
| 6954418 | APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC TO BECOME EQUAL TO A REFERENCE LEVEL DETERMINED FROM AT LEAST ONE OF THE SIGNAL LEVELS OF THE SIGNALS AND FOR SYNTHESIZING THE SIGNALS | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-10-11 |
| 6952393 | Recording medium and a recording system for the recording medium | Eiji Muramatsu, Makoto Sato | 2005-10-04 |
| 6930969 | Optical recording medium applicable for improved servo control | Atsushi Yamaguchi, Eiji Muramatsu | 2005-08-16 |
| 6928041 | Pre-pit detecting apparatus for optical recording medium | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-08-09 |
| 6925039 | Device and method for controlling tilt servo | Naoharu Yanagawa | 2005-08-02 |
| 6873586 | Optical information recording apparatus having write beam intensity detector | Atsushi Yamaguchi | 2005-03-29 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-03-08 |
| 6837072 | Rewritable optical recording medium and manufacturing method and apparatus therefor | Yoshio Sasaki, Toshihiko Maruyama, Eiji Muramatsu, Seiro Oshima, Takao Tagiri | 2005-01-04 |