Inventor
ISHIMOTO TSUTOMU
JP31 patents
⚠️ This page may combine multiple inventors who share the name “ISHIMOTO TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
25 patentsUS6754158B1Jun 22, 2004
Optical and visual information recording medium, optical and visual information recording apparatus and method
SONY CORP70 citations96
US7613082B2Nov 3, 2009
Optical pickup device, optical recording and reproducing apparatus and gap detection method
SONY CORP11 citations84
US7535808B2May 19, 2009
Tilt control method and optical disc apparatus
SONY CORP15 citations84
US7440383B2Oct 21, 2008
Optical pickup device and recording and/or reproducing apparatus
SONY CORP11 citations84
US7406016B2Jul 29, 2008
Optical disk apparatus and control method for controlling distance between a head and a disk
SONY CORP12 citations84
US7394734B2Jul 1, 2008
Optical disk drive using near-field light, optical disk apparatus, and method for driving the apparatus
SONY CORP16 citations84
US7106683B2Sep 12, 2006
Optical pickup device and recording/reproducing device
SONY CORP11 citations84
US6791913B1Sep 14, 2004
Optical recording apparatus, optical recording/reproducing method
SONY CORP13 citations84
US7755986B2Jul 13, 2010
Optical disk apparatus and servo control method
SONY CORP7 citations74
US7462855B2Dec 9, 2008
Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method
SONY CORP8 citations74
US8363522B2Jan 29, 2013
Recording device and recording method
SONY CORP5 citations73
US7835236B2Nov 16, 2010
Servo control apparatus and method, and disk recording or playback apparatus
SONY CORP6 citations63
US7826317B2Nov 2, 2010
Optical pickup device, optical recording/reproducing apparatus and gap-control method
SONY CORP5 citations63
US7733747B2Jun 8, 2010
Information recording or reproducing device and recording or reproducing method
SONY CORP2 citations63
US7230902B2Jun 12, 2007
Optical pickup device, recording and reproducing apparatus and gap detection method
SONY CORP5 citations63
US6731579B2May 4, 2004
Signal recording apparatus, signal playback apparatus and controlling method for limiting an amount of particles on an optical recording medium prior to executing an operation
SONY CORP3 citations63
US7319656B2Jan 15, 2008
Optical information recording medium, optical information recording apparatus and method
SONY CORP2 citations62
US7933177B2Apr 26, 2011
Optical pickup apparatus, optical read/write apparatus, and gap control method
SONY CORP1 citations52
US7733749B2Jun 8, 2010
Beam spot position control device and beam spot position control method, and optical disk recording and reproducing device
SONY CORP0 citations52
US7522498B2Apr 21, 2009
Optical information recording apparatus
SONY CORP0 citations52
US7414947B2Aug 19, 2008
Optical pickup device, recording and reproducing apparatus and gap detection method
SONY CORP1 citations52
US7339860B2Mar 4, 2008
Displacement measurement
SONY CORP1 citations52
US7008045B2Mar 7, 2006
Liquid drop discharger, test chip processor, printer device, method of discharging liquid drop and printing method, method of processing test chip, method of producing organic electroluminescent panel, method of forming conductive pattern, and method of producing field emission display
SONY CORP0 citations52
US8018827B2Sep 13, 2011
Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same
SONY CORP0 citations51
US8031568B2Oct 4, 2011
Disk device and disk drive controlling method
SONY CORP0 citations42
ISHIMOTO TSUTOMU
6 patentsUS8213276B2Jul 3, 2012
Recording apparatus and control method
ISHIMOTO TSUTOMU2 citations61
US8149661B2Apr 3, 2012
Short-pulse light source, laser light emission method, optical device, optical disc device, and optical pickup
ISHIMOTO TSUTOMU4 citations61
US8446802B2May 21, 2013
Optical drive device and focus servo control method
ISHIMOTO TSUTOMU0 citations40
US8284643B2Oct 9, 2012
Recording apparatus and control method
ISHIMOTO TSUTOMU0 citations40
US8208357B2Jun 26, 2012
Optical disc apparatus and optical disc drive control method
ISHIMOTO TSUTOMU0 citations40
US8094525B2Jan 10, 2012
Information recording method and information recording apparatus
ISHIMOTO TSUTOMU0 citations40