Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975574 | Device and method for controlling tilt servo | Masahiro Kato | 2005-12-13 |
| 6956802 | Aperture ratio measuring apparatus for optical recording medium with pre-pits | Masahiro Kato, 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 | Masahiro Kato, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-10-11 |
| 6928041 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-08-09 |
| 6925039 | Device and method for controlling tilt servo | Masahiro Kato | 2005-08-02 |
| 6891784 | Apparatus and method for re-executing pre-pit detection if pre-pits are not detected after changing reference level | Junji Tanaka, Shin Akabane, Takakazu Sugiyama | 2005-05-10 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Masahiro Kato, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-03-08 |