Inventor · disambiguated record
Hirotoshi Fujisawa
Also filed as: FUJISAWA HIROTOSHI
44 granted patents·1 pending application·1,003 citations·filing 1990–2008
98Inventor score
Top patents by PatentIndex Score
45 records- 0197US7600189B2Display device, display method, and programSONY CORP·Filed 2003·Granted Oct 6, 2009·144 cites·21 claims
- 0297US5363362AApparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectorsSONY CORP·Filed 1993·Granted Nov 8, 1994·125 cites·3 claims
- 0397US5243588AMethod and apparatus for reading digital data bursts comprising data clusters and cluster linking sectorsSONY CORP·Filed 1991·Granted Sep 7, 1993·117 cites·9 claims
- 0493US8907928B2Image display unit and method of detecting objectYAMAGUCHI KAZUNORI·Filed 2008·Granted Dec 9, 2014·14 cites·22 claims
- 0593US7965266B2Image display unit and method of detecting objectSONY CORP·Filed 2006·Granted Jun 21, 2011·12 cites·22 claims
- 0691US7190336B2Information processing apparatus and method, recording medium and programSONY CORP·Filed 2003·Granted Mar 13, 2007·46 cites·10 claims
- 0789US5309421ARecording and/or reproducing apparatus for optical diskSONY CORP·Filed 1991·Granted May 3, 1994·41 cites·4 claims
- 0888US5530691ADisc cartridgeSONY CORP·Filed 1993·Granted Jun 25, 1996·39 cites·1 claims
- 0988US5272693ADisc cartridge having a shutterSONY CORP·Filed 1991·Granted Dec 21, 1993·45 cites·21 claims
- 1085US5745451ADisc recording and/or reproducing apparatusSONY CORP·Filed 1997·Granted Apr 28, 1998·45 cites·3 claims
- 1184US8665223B2Display device and method providing display contact information based on an amount of received lightHARADA TSUTOMU·Filed 2006·Granted Mar 4, 2014·14 cites·6 claims
- 1284US5627687AObjective lens driving apparatus and method for manufacture thereofSONY CORP·Filed 1995·Granted May 6, 1997·42 cites·8 claims
- 1382US5859834AOptical disc with magnetic member in a recessed portion thereof and method for producing said optical discSONY CORP·Filed 1994·Granted Jan 12, 1999·32 cites·11 claims
- 1478US5581533AObjective lens actuating device, optical pickup employing the objective lens actuating device and optical disk recording and/or reproducing apparatus employing such optical pickupSONY CORP·Filed 1994·Granted Dec 3, 1996·25 cites·22 claims
- 1577US5963537AMethod of interchangeably using two disc cartridges with two different types of shuttersSONY CORP·Filed 1996·Granted Oct 5, 1999·27 cites·4 claims
- 1674US5497366AOptical-pick up device using multi-lens holderSONY CORP·Filed 1994·Granted Mar 5, 1996·21 cites·6 claims
- 1773US7705886B2Information processing apparatus and method, recording medium, program, and display deviceSONY CORP·Filed 2005·Granted Apr 27, 2010·4 cites·21 claims
- 1870US5822297ADisc cartridge with locking shutter having an inserting portionSONY CORP·Filed 1997·Granted Oct 13, 1998·20 cites·6 claims
- 1969USD392951SOptical disc cartridgeSONY CORP·Filed 1992·Granted Mar 31, 1998·13 cites·1 claims
- 2067USD369153SOptical disc cartridgeSONY CORP·Filed 1992·Granted Apr 23, 1996·12 cites·1 claims
- 2166US5034933AMagneto-optical recording apparatusSONY CORP·Filed 1990·Granted Jul 23, 1991·13 cites·24 claims
- 2265US5072431AMagneto-optical disk recording apparatusSONY CORP·Filed 1990·Granted Dec 10, 1991·15 cites·8 claims
- 2364US5523891AObjective lens driving device and method for producing resilient supporting member provided in objective lens driving deviceSONY CORP·Filed 1994·Granted Jun 4, 1996·14 cites·11 claims
- 2464US5367422ADisc cartridge having mistaken recording inhibiting mechanismSONY CORP·Filed 1992·Granted Nov 22, 1994·14 cites·8 claims
- 2562USD340032SOptical disk cartridgeSONY CORP·Filed 1991·Granted Oct 5, 1993·10 cites·1 claims
- 2659US5815487ADisc cartridgeSONY CORP·Filed 1996·Granted Sep 29, 1998·12 cites·10 claims
- 2759USD369151SOptical disc cartridgeSONY CORP·Filed 1991·Granted Apr 23, 1996·9 cites·1 claims
- 2859USD369152SOptical disc cartridgeSONY CORP·Filed 1991·Granted Apr 23, 1996·9 cites·1 claims
- 2953US5506023AMagneto-optical discSONY CORP·Filed 1994·Granted Apr 9, 1996·8 cites·14 claims
- 3050US2004111648A1System, apparatus, terminal, method, and computer program for managing informationFiled 2003·Application pending·0 cites
- 3147US6014294ADisc cartridge with clearance grooveSONY CORP·Filed 1992·Granted Jan 11, 2000·6 cites·5 claims
- 3246US5467239ADisc cartridge withribbed shutterSONY CORP·Filed 1992·Granted Nov 14, 1995·6 cites·6 claims
- 3345US6388971B2Disc recording and/or reproducing apparatus and disc reproducing apparatusSONY CORP·Filed 1997·Granted May 14, 2002·7 cites·13 claims
- 3444US5577914ADevice for representing braille on information signal recording medium and disc cartridgeSONY CORP·Filed 1994·Granted Nov 26, 1996·13 cites·9 claims
- 3543USD400868SShutter for an optical disc cartridgeSONY CORP·Filed 1992·Granted Nov 10, 1998·4 cites·1 claims
- 3643USRE34710EMagneto-optical recording apparatusSONY CORP·Filed 1993·Granted Aug 30, 1994·4 cites·24 claims
- 3740USD392949SOptical disc cartridgeSONY CORP·Filed 1992·Granted Mar 31, 1998·3 cites·1 claims
- 3840USD392950SOptical disc cartridgeSONY CORP·Filed 1992·Granted Mar 31, 1998·3 cites·1 claims
- 3939USD392953SShutter for an optical disc cartridgeSONY CORP·Filed 1992·Granted Mar 31, 1998·3 cites·1 claims
- 4036USD465787SShutter for an optical disc cartridgeSONY CORP·Filed 1992·Granted Nov 19, 2002·2 cites·1 claims
- 4136USD343613SShutter for an optical disc cartridgeSONY CORP·Filed 1992·Granted Jan 25, 1994·2 cites·1 claims
- 4234US6137770ADisk cartridge which has a recess whose height indicates the type of disk contained by the cartridgeSONY CORP·Filed 1994·Granted Oct 24, 2000·7 cites·2 claims
- 4333USD403671SOptical disc cartridgeSONY CORP·Filed 1992·Granted Jan 5, 1999·1 cites·1 claims
- 4430USD403672SOptical disc cartridgeSONY CORP·Filed 1992·Granted Jan 5, 1999·0 cites·1 claims
- 4530US5357498ADisc drive apparatus that positions an objective lens within a disc cartridge at the time when the disc is rotatedSONY CORP·Filed 1992·Granted Oct 18, 1994·0 cites·7 claims
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