Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831885 | 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 | 2004-12-14 |
| 6687208 | Laser drive integrated circuit and optical disk apparatus using the same | Akihiro Asada, Hideo Ohnuki, Yasuhito Tanaka, Toshimitsu Kaku, Takashi Hoshino +1 more | 2004-02-03 |
| 6674702 | Laser drive integrated circuit and optical disk apparatus using the same | Akihiro Asada, Hideo Ohnuki, Yasuhito Tanaka, Toshimitsu Kaku, Takashi Hoshino +1 more | 2004-01-06 |