Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956802 | Aperture ratio measuring apparatus for optical recording medium with pre-pits | Masahiro Kato, Naoharu Yanagawa, 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, Masahiro Kato, Yuko Muramatsu, Shinji Suzuki | 2005-10-11 |
| 6928041 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Naoharu Yanagawa, Yuko Muramatsu, Shinji Suzuki | 2005-08-09 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Naoharu Yanagawa, Masahiro Kato, Yuko Muramatsu, Shinji Suzuki | 2005-03-08 |