Inventor
SHIMIZUME KAZUTOSHI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZUME KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
30 patentsUS5528608AJun 18, 1996
De-interleave circuit for regenerating digital data
SONY CORP82 citations96
US5475664ADec 12, 1995
Focus servo circuit apparatus with automatic bias adjustments
SONY CORP61 citations93
US5408477AApr 18, 1995
Error correction method
SONY CORP28 citations93
US5265081ANov 23, 1993
Disc recording/reproducing apparatus having two constant linear velocities with controlled step switching between the two
SONY CORP26 citations93
US7406649B2Jul 29, 2008
Semiconductor memory device and signal processing system
SONY CORP19 citations92
US6759701B2Jul 6, 2004
Transistor circuit
SONY CORP29 citations92
US6269061B1Jul 31, 2001
Servo control system for disk player
SONY CORP29 citations92
US5883866AMar 16, 1999
Disk driving system and disk driving method
SONY CORP34 citations92
US5694380ADec 2, 1997
Disc player apparatus having a disc rotational speed controller
SONY CORP26 citations92
US5636192AJun 3, 1997
Disc player apparatus having a signal processing circuit which produces a reproduction clock synchronism with a reproduced signal
SONY CORP33 citations92
US5471442ANov 28, 1995
Compact disc player using Sub-Q data for track jump compensation
SONY CORP35 citations92
US5453964ASep 26, 1995
Data processing circuit for disc player
SONY CORP34 citations92
US5349349ASep 20, 1994
Modulator circuit for a recording for a digital recording medium
SONY CORP28 citations92
US5548569AAug 20, 1996
Tracking traverse control circuit for head unit of disc player
SONY CORP22 citations91
US4733405AMar 22, 1988
Digital integrated circuit
SONY CORP28 citations86
US7626411B2Dec 1, 2009
Semiconductor device, semiconductor integrated circuit and bump resistance measurement method
SONY CORP9 citations84
US5416809AMay 16, 1995
Digital phase locked loop apparatus
SONY CORP10 citations74
US5023615AJun 11, 1991
Large scale integrated circuit for converting pulse code modulated data to an analog signal
SONY CORP13 citations74
US4821293AApr 11, 1989
Digital phase locked loop circuit
SONY CORP14 citations74
US5590106ADec 31, 1996
Disc player having a plurality of reading means for reading information on a disc
SONY CORP8 citations73
US4979192ADec 18, 1990
Circuit for detecting a synchronizing signal
SONY CORP12 citations73
US7525334B2Apr 28, 2009
Liquid-crystal display device, defective pixel examination method, defective pixel examination program, and storage medium
SONY CORP2 citations63
US6084449AJul 4, 2000
Phase modulator circuit
SONY CORP2 citations63
US5923200AJul 13, 1999
Phase modulator circuit
SONY CORP4 citations63
US5486827AJan 23, 1996
EFM modulator for controlling digital sum variation of encoded data
SONY CORP6 citations63
US5138601AAug 11, 1992
Digital information signal reproducing apparatus
SONY CORP6 citations63
US7821285B2Oct 26, 2010
Liquid crystal display apparatus and testing method for liquid crystal display apparatus
SONY CORP4 citations60
US6762442B2Jul 13, 2004
Semiconductor device carrying a plurality of circuits
SONY CORP0 citations52
US5910934AJun 8, 1999
Disc reproducing apparatus and method with adjustment of rotation speed between read positions
SONY CORP1 citations52
US5210727AMay 11, 1993
Compact disk players
SONY CORP1 citations52