TK

Toshimitsu Kaku

HI Hitachi: 8 patents #42 of 3,950Top 2%
Overall (2002): #2,526 of 266,432Top 1%
8
Patents 2002

Issued Patents 2002

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6496461 Information recording/reproducing apparatus Norimoto Ichikawa, Hiroyuki Minemura, Hisataka Sugiyama 2002-12-17
6493297 Multibeam optical disk record and reproduction apparatus and method Soichi Isono, Satoshi Kawamura, Kiyoshi Honda, Hitoshi Komatsu, Yuji Yamane +3 more 2002-12-10
6487154 Laser drive unit and information recording/reproducing apparatus Masaaki Kurebayashi, Akihiro Asada, Hideo Oonuki, Takashi Hoshino, Hidehiko Kandou 2002-11-26
6483791 Laser drive integrated circuit and optical disk apparatus using the same Akihiro Asada, Hideo Ohnuki, Masaaki Kurebayashi, Yasuhito Tanaka, Takashi Hoshino +1 more 2002-11-19
6442118 Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickup Takashi Hoshino, Akihiro Asada, Takehiko Sekine 2002-08-27
6442117 Reading/reproducing apparatus having retry arrangement upon failed reading/writing of a signal Eisaku Saiki, Takuya Mizokami, Naoto Matsunami 2002-08-27
6414932 Information recording/reproducing apparatus with laser driver Akihiro Asada, Takashi Hoshino 2002-07-02
6345023 Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation control Tetsuya Fushimi, Toshiaki Ishibashi, Atsushi Saito 2002-02-05