AH

Akihiro Hatsusegawa

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,030,798 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7418532 Data transfer device, data transfer system, and data transfer method Tatsuo Suzuki 2008-08-26
7257052 Control apparatus and optical disk apparatus Katsuya Watanabe, Yu Okada 2007-08-14
7075867 Optical disc controller and optical disc device having the same Katsuya Watanabe, Masanobu Takahashi, Tatsuo Suzuki 2006-07-11
6882608 Optical disc controller and optical disc apparatus using the same Katsuya Watanabe, Tatsuo Suzuki, Masanobu Takahashi 2005-04-19
6240055 Focus position adjustment device and optical disc drive apparatus Kouichi Takamine, Kenji Fujiune, Hiroyuki Yamaguchi 2001-05-29