Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636472 | Laser drive unit and information recording/reproducing apparatus | Akihiro Asada, Toshimitsu Kaku, Hideo Oonuki, Takashi Hoshino, Hidehiko Kandou | 2003-10-21 |
| 6552987 | Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation | Akihiro Asada, Toshimitsu Kaku, Takashi Hoshino | 2003-04-22 |