Inventor
YADA HIROAKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YADA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
28 patentsUS5481568AJan 2, 1996
Data detecting apparatus using an over sampling and an interpolation means
SONY CORP113 citations98
US6639885B1Oct 28, 2003
Disk recording/reproduction device, and information processing system incorporating a disk recording/reproduction device thereof
SONY CORP25 citations93
US5815333ASep 29, 1998
Magnetic disc with a flat RAM area and disc device
SONY CORP38 citations93
US6754155B1Jun 22, 2004
Information recording medium and information processing device
SONY CORP27 citations92
US6501812B1Dec 31, 2002
Method for reading and demodulating data at different rates
SONY CORP29 citations92
US5600501AFeb 4, 1997
Disk recording and/or reproducing apparatus that compensates for bit nonlinearity and a phase shift introduced by separate read and write heads
SONY CORP24 citations92
US5526200AJun 11, 1996
Clock reproducing apparatus and data reproducing apparatus utilizing weighting-adding of samples
SONY CORP33 citations92
US5400364AMar 21, 1995
Decision-directed digital phase locked loop
SONY CORP20 citations92
US5313342AMay 17, 1994
Analog/digital compatible reproducing system
SONY CORP27 citations92
US4729048AMar 1, 1988
Magnetic transducer combination with formatting, data, and servo heads
SONY CORP50 citations92
US4701815AOct 20, 1987
Tracking servo system for disc memory
SONY CORP35 citations92
US7177528B1Feb 13, 2007
Disk drive apparatus, and data processing method for use with disk drive apparatus
SONY CORP16 citations84
US6697958B1Feb 24, 2004
Method and apparatus for driving a recording medium, method and system for recording and reproducing information, and information supplying medium
SONY CORP19 citations84
US6950381B2Sep 27, 2005
Disk device having real-time and reliability recording modes including simultaneously recordable channels set using commands
SONY CORP4 citations74
US6947354B2Sep 20, 2005
Disk device having real-time and reliability recording modes with buffer memory divided into predetermined data stream areas
SONY CORP5 citations74
US6226139B1May 1, 2001
Clock generator and disk drive
SONY CORP10 citations74
US5828510AOct 27, 1998
Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
SONY CORP10 citations74
US5828509AOct 27, 1998
Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
SONY CORP5 citations74
US5796534AAug 18, 1998
Apparatus which performs an ID operation simultaneously with a servo operation using a data recording medium with the ID area recorded immediately before the servo area
SONY CORP15 citations74
US5786954AJul 28, 1998
Magnetic disk recording and playback apparatus using independently positioned recorded pattern sets for clock generation
SONY CORP8 citations74
US5541783AJul 30, 1996
Disk recording medium and disk drive unit wherein the product of the number of servo areas and the recording/reproduction mode switching time of the head amplifiers is 1200 or less
SONY CORP17 citations74
US4543531ASep 24, 1985
Digital data detecting apparatus
SONY CORP9 citations73
US6999389B2Feb 14, 2006
Disk device having real-time and reliability recording modes
SONY CORP2 citations63
US6240238B1May 29, 2001
Magnetic disk device
SONY CORP6 citations63
US6215833B1Apr 10, 2001
Digital signal processing circuit
SONY CORP4 citations63
US6091562AJul 18, 2000
Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and signal to noise ratio
SONY CORP2 citations59
US7433145B2Oct 7, 2008
Magnetic disk apparatus
SONY CORP1 citations52
US6122126ASep 19, 2000
Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and bias current control
SONY CORP1 citations48