AA

Akihiro Asada

HI Hitachi: 5 patents #117 of 3,771Top 4%
HS Hitachi-Lg Data Storage: 1 patents #1 of 7Top 15%
Overall (2004): #10,191 of 270,089Top 4%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6831885 Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation Toshimitsu Kaku, Takashi Hoshino, Masaaki Kurebayashi 2004-12-14
6810050 Laser driver, optical disk apparatus using the same, and laser control method Makoto Nihei, Toshimitsu Kaku, Takashi Hoshino 2004-10-26
6721261 Information recording/reproducing apparatus with laser driver Toshimitsu Kaku, Takashi Hoshino 2004-04-13
6687208 Laser drive integrated circuit and optical disk apparatus using the same Hideo Ohnuki, Masaaki Kurebayashi, Yasuhito Tanaka, Toshimitsu Kaku, Takashi Hoshino +1 more 2004-02-03
6674702 Laser drive integrated circuit and optical disk apparatus using the same Hideo Ohnuki, Masaaki Kurebayashi, Yasuhito Tanaka, Toshimitsu Kaku, Takashi Hoshino +1 more 2004-01-06