Inventor · disambiguated record
Fumitomo Yamasaki
Also filed as: YAMASAKI FUMITOMO
75 granted patents·7 pending applications·172 citations·filing 2001–2018
98Inventor score
Files withPANASONIC CORP28YAMASAKI FUMITOMO20MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10KOMMA YOSHIAKI6PANASONIC IP MAN CO LTD6
Top patents by PatentIndex Score
82 records- 0196US7227819B2Optical pick-up head, optical information apparatus, and optical information reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 5, 2007·40 cites·17 claims
- 0289US7154535B2Digital camera capable of directly accessing images recorded on another digital cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 26, 2006·42 cites·21 claims
- 0387US8848501B2Detection lens, lens unit, optical pickup device, optical disc device, computer, optical disc player and optical disc recorderPANASONIC CORP·Filed 2012·Granted Sep 30, 2014·14 cites·18 claims
- 0486US7539090B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted May 26, 2009·4 cites·9 claims
- 0582US7965612B2Optical head, and information recording-and-regeneration apparatusPANASONIC CORP·Filed 2009·Granted Jun 21, 2011·4 cites·6 claims
- 0682US7746736B2Optical head and optical disk device capable of detecting spherical aberrationPANASONIC CORP·Filed 2007·Granted Jun 29, 2010·4 cites·9 claims
- 0781US8254239B2Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lightsKOMMA YOSHIAKI·Filed 2008·Granted Aug 28, 2012·3 cites·39 claims
- 0881US7656775B2Optical head, and information recording-and-regeneration apparatusPANASONIC CORP·Filed 2005·Granted Feb 2, 2010·4 cites·6 claims
- 0980US7742384B2Optical head and optical disc devicePANASONIC CORP·Filed 2007·Granted Jun 22, 2010·4 cites·17 claims
- 1080US7558162B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jul 7, 2009·2 cites·4 claims
- 1179US8306393B2Information recording apparatus, information copying system, method for copying information, program and computer readable recording mediumYAMASAKI FUMITOMO·Filed 2007·Granted Nov 6, 2012·3 cites·12 claims
- 1277US7245565B2Optical head and optical disk unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 17, 2007·10 cites·10 claims
- 1375US7978568B2Optical head, diffraction device, objective lens, and optical disc apparatusPANASONIC CORP·Filed 2007·Granted Jul 12, 2011·2 cites·4 claims
- 1475US7463561B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Dec 9, 2008·1 cites·5 claims
- 1574US7903529B2Optical head and optical disc devicePANASONIC CORP·Filed 2007·Granted Mar 8, 2011·2 cites·19 claims
- 1674US7460448B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Dec 2, 2008·1 cites·4 claims
- 1774US7068445B2Optical pickup lens device and information recording and reproducing device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 27, 2006·7 cites·4 claims
- 1873US7778140B2Optical head device and optical information devicePANASONIC CORP·Filed 2007·Granted Aug 17, 2010·2 cites·10 claims
- 1973US7773468B2Optical head and optical information recorder/reproducerPANASONIC CORP·Filed 2006·Granted Aug 10, 2010·2 cites·15 claims
- 2072US8325581B2Optical head and optical disc deviceYAMASAKI FUMITOMO·Filed 2007·Granted Dec 4, 2012·2 cites·6 claims
- 2172US7420897B2Optical head, an optical disk device and an integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Sep 2, 2008·2 cites·46 claims
- 2271US8483023B2Optical head, diffraction device, objective lens, and optical disc apparatusYAMASAKI FUMITOMO·Filed 2011·Granted Jul 9, 2013·2 cites·8 claims
- 2371US8289831B2Optical head, optical element with diffraction grating, optical disc device and information processing deviceYAMASAKI FUMITOMO·Filed 2012·Granted Oct 16, 2012·2 cites·4 claims
- 2469US8305864B2Compound objective lens, optical head device, optical information device, and information processing deviceKOMMA YOSHIAKI·Filed 2011·Granted Nov 6, 2012·2 cites·22 claims
- 2568US8009526B2Optical pickup device and collimate lensPANASONIC CORP·Filed 2008·Granted Aug 30, 2011·1 cites·25 claims
- 2664US8004952B2Optical pickup, optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk serverPANASONIC CORP·Filed 2009·Granted Aug 23, 2011·0 cites·21 claims
- 2764US7542382B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jun 2, 2009·0 cites·3 claims
- 2863US8130603B2Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording mediumKOMMA YOSHIAKI·Filed 2009·Granted Mar 6, 2012·0 cites·2 claims
- 2963US7558170B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jul 7, 2009·0 cites·4 claims
- 3062US8134907B2Optical head, optical element with diffraction grating, optical disc device and information processing deviceYAMASAKI FUMITOMO·Filed 2009·Granted Mar 13, 2012·0 cites·27 claims
- 3162US8031574B2Information recording medium, information supply system, and optical information devicePANASONIC CORP·Filed 2007·Granted Oct 4, 2011·0 cites·13 claims
- 3262US7911908B2Optical head and data processing apparatus including the samePANASONIC CORP·Filed 2008·Granted Mar 22, 2011·0 cites·6 claims
- 3361US7817355B2Afocal lens, optical head, optical disk apparatus and optical information equipmentPANASONIC CORP·Filed 2007·Granted Oct 19, 2010·2 cites·24 claims
- 3461US7327935B2Information recorder, system for copying information, method for copying information, program and computer readable recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 5, 2008·4 cites·8 claims
- 3560US8050168B2Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehiclePANASONIC CORP·Filed 2007·Granted Nov 1, 2011·0 cites·18 claims
- 3660US7443774B2Optical head and data processing apparatus including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 28, 2008·3 cites·47 claims
- 3759US8243111B2Optical disc label printer, thermosensitive recording printer and thermosensitive recording methodYAMASAKI FUMITOMO·Filed 2008·Granted Aug 14, 2012·1 cites·5 claims
- 3858US7221521B2Optical pickup lens device and information recording and reproducing device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted May 22, 2007·0 cites·4 claims
- 3957US8064296B2Optical head, optical disc device and information recording and/or reproducing deviceYAMASAKI FUMITOMO·Filed 2009·Granted Nov 22, 2011·0 cites·12 claims
- 4056US2014146653A1Objective lens element and optical head device including the samePANASONIC CORP·Filed 2014·Application pending·0 cites
- 4155US8467282B2Optical disc device, optical head, and information processing deviceYAMASAKI FUMITOMO·Filed 2009·Granted Jun 18, 2013·0 cites·16 claims
- 4255US8441907B2Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lightsKOMMA YOSHIAKI·Filed 2012·Granted May 14, 2013·0 cites·30 claims
- 4355US8411547B2Information recording medium, information supply system, and optical information deviceYAMASAKI FUMITOMO·Filed 2011·Granted Apr 2, 2013·0 cites·9 claims
- 4455US8391120B2Optical head, optical disc device and information processing deviceYAMASAKI FUMITOMO·Filed 2009·Granted Mar 5, 2013·0 cites·23 claims
- 4555US8036093B2Optical head device and recording/reproduction devicePANASONIC CORP·Filed 2009·Granted Oct 11, 2011·0 cites·24 claims
- 4655US2010142357A1Objective lens system and optical pickup devicePANASONIC CORP·Filed 2009·Application pending·0 cites
- 4754US8144563B2Information recording medium, reproducing device and reproducing methodNAKAO MASAHITO·Filed 2009·Granted Mar 27, 2012·0 cites·4 claims
- 4853US8477584B2Optical head, optical disc drive, computer, optical discplayer and optical disc recorderYAMASAKI FUMITOMO·Filed 2008·Granted Jul 2, 2013·0 cites·16 claims
- 4953US8456971B2Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording mediumKOMMA YOSHIAKI·Filed 2012·Granted Jun 4, 2013·0 cites·24 claims
- 5053US8300513B2Optical head, optical head manufacturing method and optical disc deviceYAMASAKI FUMITOMO·Filed 2008·Granted Oct 30, 2012·0 cites·28 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →