P

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 patents
US6754158B1Jun 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 patents