Inventor · disambiguated record
Tsutomu Ishimoto
Also filed as: ISHIMOTO TSUTOMU
31 granted patents·2 pending applications·211 citations·filing 1999–2011
96Inventor score
Top patents by PatentIndex Score
33 records- 0193US6754158B1Optical and visual information recording medium, optical and visual information recording apparatus and methodSONY CORP·Filed 1999·Granted Jun 22, 2004·70 cites·24 claims
- 0292US7535808B2Tilt control method and optical disc apparatusSONY CORP·Filed 2005·Granted May 19, 2009·15 cites·11 claims
- 0392US7440383B2Optical pickup device and recording and/or reproducing apparatusSONY CORP·Filed 2006·Granted Oct 21, 2008·11 cites·8 claims
- 0492US7394734B2Optical disk drive using near-field light, optical disk apparatus, and method for driving the apparatusSONY CORP·Filed 2006·Granted Jul 1, 2008·16 cites·13 claims
- 0591US7406016B2Optical disk apparatus and control method for controlling distance between a head and a diskSONY CORP·Filed 2005·Granted Jul 29, 2008·12 cites·7 claims
- 0690US7613082B2Optical pickup device, optical recording and reproducing apparatus and gap detection methodSONY CORP·Filed 2005·Granted Nov 3, 2009·11 cites·19 claims
- 0788US7462855B2Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection methodSONY CORP·Filed 2006·Granted Dec 9, 2008·8 cites·15 claims
- 0886US7755986B2Optical disk apparatus and servo control methodSONY CORP·Filed 2007·Granted Jul 13, 2010·7 cites·4 claims
- 0985US7835236B2Servo control apparatus and method, and disk recording or playback apparatusSONY CORP·Filed 2006·Granted Nov 16, 2010·6 cites·16 claims
- 1083US7826317B2Optical pickup device, optical recording/reproducing apparatus and gap-control methodSONY CORP·Filed 2008·Granted Nov 2, 2010·5 cites·9 claims
- 1180US8363522B2Recording device and recording methodSONY CORP·Filed 2011·Granted Jan 29, 2013·5 cites·18 claims
- 1279US7106683B2Optical pickup device and recording/reproducing deviceSONY CORP·Filed 2002·Granted Sep 12, 2006·11 cites·5 claims
- 1375US8149661B2Short-pulse light source, laser light emission method, optical device, optical disc device, and optical pickupISHIMOTO TSUTOMU·Filed 2009·Granted Apr 3, 2012·4 cites·10 claims
- 1470US7414947B2Optical pickup device, recording and reproducing apparatus and gap detection methodSONY CORP·Filed 2007·Granted Aug 19, 2008·1 cites·6 claims
- 1569US7933177B2Optical pickup apparatus, optical read/write apparatus, and gap control methodSONY CORP·Filed 2008·Granted Apr 26, 2011·1 cites·8 claims
- 1668US8213276B2Recording apparatus and control methodISHIMOTO TSUTOMU·Filed 2010·Granted Jul 3, 2012·2 cites·9 claims
- 1767US7230902B2Optical pickup device, recording and reproducing apparatus and gap detection methodSONY CORP·Filed 2003·Granted Jun 12, 2007·5 cites·7 claims
- 1867US6791913B1Optical recording apparatus, optical recording/reproducing methodSONY CORP·Filed 2000·Granted Sep 14, 2004·13 cites·13 claims
- 1961US8018827B2Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the sameSONY CORP·Filed 2008·Granted Sep 13, 2011·0 cites·6 claims
- 2060US7522498B2Optical information recording apparatusSONY CORP·Filed 2007·Granted Apr 21, 2009·0 cites·3 claims
- 2158US8031568B2Disk device and disk drive controlling methodSONY CORP·Filed 2009·Granted Oct 4, 2011·0 cites·6 claims
- 2258US7319656B2Optical information recording medium, optical information recording apparatus and methodSONY CORP·Filed 2004·Granted Jan 15, 2008·2 cites·26 claims
- 2358US6731579B2Signal recording apparatus, signal playback apparatus and controlling method for limiting an amount of particles on an optical recording medium prior to executing an operationSONY CORP·Filed 2002·Granted May 4, 2004·3 cites·18 claims
- 2455US8208357B2Optical disc apparatus and optical disc drive control methodISHIMOTO TSUTOMU·Filed 2009·Granted Jun 26, 2012·0 cites·8 claims
- 2555US7733749B2Beam spot position control device and beam spot position control method, and optical disk recording and reproducing deviceSONY CORP·Filed 2007·Granted Jun 8, 2010·0 cites·18 claims
- 2653US7733747B2Information recording or reproducing device and recording or reproducing methodSONY CORP·Filed 2004·Granted Jun 8, 2010·2 cites·7 claims
- 2752US7339860B2Displacement measurementSONY CORP·Filed 2004·Granted Mar 4, 2008·1 cites·10 claims
- 2850US8094525B2Information recording method and information recording apparatusISHIMOTO TSUTOMU·Filed 2009·Granted Jan 10, 2012·0 cites·7 claims
- 2947US2007171778A1Optical recording/reproducing apparatus, optical pickup, and tracking error detecting methodSONY CORP·Filed 2007·Application pending·0 cites
- 3043US2007281856A1Method of producing catalyst support particles and a catalyzer using the catalyst support particlesDENSO CORP·Filed 2007·Application pending·0 cites
- 3141US8446802B2Optical drive device and focus servo control methodISHIMOTO TSUTOMU·Filed 2011·Granted May 21, 2013·0 cites·7 claims
- 3240US8284643B2Recording apparatus and control methodISHIMOTO TSUTOMU·Filed 2010·Granted Oct 9, 2012·0 cites·10 claims
- 3336US7008045B2Liquid 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 displaySONY CORP·Filed 2003·Granted Mar 7, 2006·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →