AA

Akihiro Asada

HI Hitachi: 4 patents #260 of 3,950Top 7%
Overall (2002): #17,714 of 266,432Top 7%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6487154 Laser drive unit and information recording/reproducing apparatus Masaaki Kurebayashi, Toshimitsu Kaku, Hideo Oonuki, Takashi Hoshino, Hidehiko Kandou 2002-11-26
6483791 Laser drive integrated circuit and optical disk apparatus using the same Hideo Ohnuki, Masaaki Kurebayashi, Yasuhito Tanaka, Toshimitsu Kaku, Takashi Hoshino +1 more 2002-11-19
6442118 Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickup Takashi Hoshino, Toshimitsu Kaku, Takehiko Sekine 2002-08-27
6414932 Information recording/reproducing apparatus with laser driver Toshimitsu Kaku, Takashi Hoshino 2002-07-02