Inventor · disambiguated record
Fumisada Maeda
Also filed as: MAEDA FUMISADA
32 granted patents·10 pending applications·754 citations·filing 1992–2022
98Inventor score
Top patents by PatentIndex Score
42 records- 0196US5764613Aoptical pickup apparatusSONY CORP·Filed 1996·Granted Jun 9, 1998·117 cites·11 claims
- 0295US7697187B2Electrowetting device and varifocal lens, optical pickup device, optical recording/reproduction device, droplet operation device, optical element, zoom lens, imaging device, light modulating device, and display device using the sameSONY CORP·Filed 2007·Granted Apr 13, 2010·20 cites·26 claims
- 0394US8203537B2Tactile and visual user interface device and personal digital assistantTANABE TADASHI·Filed 2008·Granted Jun 19, 2012·54 cites·6 claims
- 0494US5402407AOptical pickup apparatus and method for adjusting optical axis thereofSONY CORP·Filed 1993·Granted Mar 28, 1995·95 cites·5 claims
- 0590US7298559B2Variable focus lens and optical device using the same as well as method of manufacturing variable focus lensSONY CORP·Filed 2006·Granted Nov 20, 2007·21 cites·23 claims
- 0690US6594204B1Lens holder, method for manufacturing lens holder, metal die for producing lens holder and objective lens deviceSONY CORP·Filed 2000·Granted Jul 15, 2003·33 cites·28 claims
- 0789US6097688ARecording/reproducing apparatus and recording/reproducing method for optical recording mediaSONY CORP·Filed 1997·Granted Aug 1, 2000·55 cites·25 claims
- 0888US7978400B2Electro-wetting apparatus and method of driving electro-wetting apparatusSONY CORP·Filed 2009·Granted Jul 12, 2011·11 cites·5 claims
- 0988US5712842AOptical pick-up deviceSONY CORP·Filed 1996·Granted Jan 27, 1998·55 cites·2 claims
- 1082US6977782B2Object lens producing device and producing methodSONY CORP·Filed 2002·Granted Dec 20, 2005·13 cites·8 claims
- 1182US6292453B1Optical disc recording/reproduction apparatus having a lens group, focus, servo, and jog mode adjustmentSONY CORP·Filed 1997·Granted Sep 18, 2001·37 cites·16 claims
- 1277US9496685B2Laser emitting apparatus and master oscillator power amplifier systemSONY CORP·Filed 2013·Granted Nov 15, 2016·3 cites·20 claims
- 1377US6115347AOptical pick-up device, optical recording/reproducing apparatus and objective lensSONY CORP·Filed 1997·Granted Sep 5, 2000·28 cites·9 claims
- 1477US6005834AOptical recording medium recording and reproducing apparatus and optical pickup deviceSONY CORP·Filed 1997·Granted Dec 21, 1999·30 cites·14 claims
- 1576US6041031AOptical disc recording/reproduction apparatus and methodSONY CORP·Filed 1997·Granted Mar 21, 2000·24 cites·11 claims
- 1675US6414931B1Lens driving device, optical head and optical disc systemSONY CORP·Filed 1998·Granted Jul 2, 2002·26 cites·12 claims
- 1771US6570827B1Optical element for correction of chromatic aberration, optical pick-up device having optical element for correction of chromatic aberration, optical reproducing device having optical pick-up device and optical recording and reproducing deviceSONY CORP·Filed 1999·Granted May 27, 2003·21 cites·11 claims
- 1867US8120860B2Conversion lens, conversion lens system, and imaging deviceSUZUKI AKIRA·Filed 2009·Granted Feb 21, 2012·2 cites·13 claims
- 1967US7170693B2Objective lens, and optical pickup device using the objective lensSONY CORP·Filed 2002·Granted Jan 30, 2007·6 cites·5 claims
- 2064US8531775B2Liquid lens and image pickup apparatusTANAKA KAYOKO·Filed 2009·Granted Sep 10, 2013·3 cites·6 claims
- 2163US8014076B2Variable focal length lens, camera module, and electronic apparatusSONY CORP·Filed 2010·Granted Sep 6, 2011·1 cites·10 claims
- 2260US6058095AObjective lens having a doublet lens with high numerical apertureSONY CORP·Filed 1997·Granted May 2, 2000·21 cites·8 claims
- 2359US6104691AObjective lens unit and recording/reproduction apparatusSONY CORP·Filed 1997·Granted Aug 15, 2000·13 cites·25 claims
- 2458US6055113AOptical pickup and an optical pickup objective lense assembling methodSONY CORP·Filed 1998·Granted Apr 25, 2000·12 cites·8 claims
- 2557US6674696B1Focus controlling apparatus and method, and optical disc driveSONY CORP·Filed 1998·Granted Jan 6, 2004·12 cites·4 claims
- 2656US5828453ALens designing method and objective lens apparatus with two lensesSONY CORP·Filed 1997·Granted Oct 27, 1998·11 cites·19 claims
- 2756US5774281AOptical pickup device for light collection onto an optical recording mediumSONY CORP·Filed 1996·Granted Jun 30, 1998·10 cites·14 claims
- 2853US2005201221A1Object lens producing device and producing methodSONY CORP·Filed 2005·Application pending·0 cites
- 2951US6829210B2Optical head and optical pickupSONY CORP·Filed 2001·Granted Dec 7, 2004·1 cites·6 claims
- 3050US5786947AOptical pickup device with a floating elementSONY CORP·Filed 1997·Granted Jul 28, 1998·7 cites·11 claims
- 3150US2024164706A1In-vivo observation system, observation system, in-vivo observation method, and in-vivo observation deviceSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3250US2020060557A1Control apparatus, control system, control method, and programSONY CORP·Filed 2018·Application pending·0 cites
- 3349US5243580AHead for a magneto-optical recording apparatusSONY CORP·Filed 1992·Granted Sep 7, 1993·7 cites·8 claims
- 3449US2024233310A1Information processing apparatus, information processing system and method for processing informationSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3548US2016349493A1Scanning unit, laser scanning microscope, and temperature adjustment methodSONY CORP·Filed 2014·Application pending·0 cites
- 3647US2021228061A1Medical observation system, medical observation apparatus, and drive method of medical observation apparatusSONY CORP·Filed 2019·Application pending·0 cites
- 3746US2016299170A1Laser scanning observation device and laser scanning methodSONY CORP·Filed 2014·Application pending·0 cites
- 3845US2021321887A1Medical system, information processing apparatus, and information processing methodSONY CORP·Filed 2019·Application pending·0 cites
- 3944US6212136B1Magneto-optical disc apparatus with means to change the angle and distance between a magnetic field generating source and a magneto-optical discSONY CORP·Filed 1994·Granted Apr 3, 2001·5 cites·3 claims
- 4043USRE40371EOptical disc recording/reproduction apparatus and methodSONY CORP·Filed 2000·Granted Jun 10, 2008·0 cites·11 claims
- 4142US2014044940A1Optical recording medium and method for manufacturing optical recording mediumSONY CORP·Filed 2013·Application pending·0 cites
- 4241US2004228229A1Lens drive apparatus, optical head apparatus, and optical disk drive apparatusSONY CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →