TS

Takayuki Sugawara

AC Alps Electric Co.: 7 patents #261 of 2,177Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #755,534 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7080306 Disk device with improved error-correction capability Hiroki Hirashima, Isao Asano, Kyoichi Shirane 2006-07-18
6724552 Magnetic disk apparatus with lower probability of occurrence of read errors due to scratch or the like on magnetic disk surface Takahiro Kawauchi, Masahiro Tenpaku, Yoshiyasu Kubota 2004-04-20
6545832 Disk drive capable of rereading same signal from disk in case of error in read signal Takahiro Kawauchi, Kazuya Seta 2003-04-08
6515816 Medium distinguishing method of a disk used in a disk drive Hiroshi Wakuda, Shigeru Yamaguchi 2003-02-04
6483789 Data recording and/or reproducing apparatus and method for detecting sector defects Yoshiyasu Kubota, Takahiro Kawauchi 2002-11-19
6223321 Recording/reproduction system Masahiro Nasu 2001-04-24
5966259 Magnetic recording medium formed in a plurality of tracks and magnetic recording-reproducing apparatus for the same Tetsuya Mitsuishi, Masayoshi Nakagawa, Makoto Moriya, Katsuji Suzuki 1999-10-12