Inventor · disambiguated record
Seiji Nishino
Also filed as: NISHINO SEIJI
72 granted patents·11 pending applications·1,015 citations·filing 1985–2010
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD69PANASONIC CORP10MATSUSHITA ELECTRIC CO LTD1NISHINO SEIJI1YOSHIDA KOGYO KK1
Top patents by PatentIndex Score
83 records- 0194US6954417B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 11, 2005·30 cites·22 claims
- 0293US7158450B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 2, 2007·23 cites·4 claims
- 0391US6987615B2Diffractive optical element and optical head using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 17, 2006·27 cites·20 claims
- 0491US5815293ACompound objective lens having two focal pointsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 29, 1998·83 cites·18 claims
- 0589US5648951AMovable optical head integrally incorporated with objective lens and hologram elementMATSUSHITA ELECTRIC CO LTD·Filed 1995·Granted Jul 15, 1997·65 cites·16 claims
- 0687US6987598B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 17, 2006·12 cites·11 claims
- 0787US6549346B2Assembled lens, optical head and optical recordable player with themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 15, 2003·22 cites·34 claims
- 0887US5644413AOptical head for adjusting a positional relation between the information medium and the optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 1, 1997·51 cites·38 claims
- 0986US7333405B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 19, 2008·4 cites·12 claims
- 1086US6480454B1Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 12, 2002·44 cites·44 claims
- 1185US7034980B2Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 25, 2006·3 cites·15 claims
- 1285US6314068B1Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 6, 2001·16 cites·5 claims
- 1384US7283450B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 16, 2007·3 cites·3 claims
- 1484US5519685AOptical pickup head apparatus capable of suppressing crosstalk from adjacent tracks and in the recording line density directionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 21, 1996·35 cites·7 claims
- 1583US5737296AFocus and tracking error detection by using plus and minus first order diffracted lightMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Apr 7, 1998·41 cites·19 claims
- 1683US5400311AHologram and optical apparatus with hologramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 21, 1995·28 cites·7 claims
- 1782US6418107B1Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 9, 2002·13 cites·2 claims
- 1882US6327231B1Optical head device with zero-cross point correctionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 4, 2001·17 cites·14 claims
- 1981US7898925B2Information recording medium and optical information recording/reproducing apparatusPANASONIC CORP·Filed 2005·Granted Mar 1, 2011·4 cites·29 claims
- 2081USRE41455EObjective lens for optical disks having different thicknessesPANASONIC CORP·Filed 2005·Granted Jul 27, 2010·3 cites·36 claims
- 2181US7330419B2Optical head device and optical information apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 12, 2008·3 cites·13 claims
- 2281US7170664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 30, 2007·2 cites·11 claims
- 2381US5412631AOptical head apparatus for storing, reading or erasing information, and optical information reproducing method and optical information apparatus for optically reading information stored in an optical memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 2, 1995·30 cites·57 claims
- 2480US7313080B2Information recording medium and its production method, and optical information recording reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 25, 2007·13 cites·33 claims
- 2580USRE38943ECompound objective lens for optical disks having different thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 24, 2006·17 cites·123 claims
- 2678US6967916B2Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 22, 2005·12 cites·15 claims
- 2778US6418095B1Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 9, 2002·25 cites·3 claims
- 2878US5594713AOptical pickup head apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 14, 1997·28 cites·13 claims
- 2977US6400671B2Optical head deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 4, 2002·10 cites·4 claims
- 3077US5687153AOptical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areasMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 11, 1997·31 cites·11 claims
- 3176US7352664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 1, 2008·1 cites·6 claims
- 3276US7085203B2Optical head with defocusing correction and spherical aberration correctionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 1, 2006·9 cites·26 claims
- 3376US7027378B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 11, 2006·6 cites·13 claims
- 3475US7738343B2Optical disk device and information recording/reproducing methodPANASONIC CORP·Filed 2006·Granted Jun 15, 2010·1 cites·8 claims
- 3575US5293038AOptical pick-up head apparatus wherein hollographic optical element and photodetector are formed on semiconductor substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 8, 1994·23 cites·25 claims
- 3674US7110342B2Optical head device and optical information apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 19, 2006·7 cites·12 claims
- 3774US6584059B1Information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 24, 2003·10 cites·6 claims
- 3874US5502707ADiffraction grating and optical pickup apparatus with diffracting gratingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 26, 1996·18 cites·11 claims
- 3974US5495461AOptical pickup head apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Feb 27, 1996·20 cites·5 claims
- 4073US7268947B2Diffractive optical element and optical head using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Sep 11, 2007·5 cites·23 claims
- 4172US6111842AOptical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 29, 2000·23 cites·36 claims
- 4271US7480227B2Optical head device and optical information apparatus using the samePANASONIC CORP·Filed 2006·Granted Jan 20, 2009·1 cites·16 claims
- 4370US5627812AOptical head apparatus and diffraction element having at least two diffractive surfacesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 6, 1997·18 cites·11 claims
- 4468US7787347B2Optical head device and optical information processorPANASONIC CORP·Filed 2006·Granted Aug 31, 2010·1 cites·13 claims
- 4567US7342867B2Optical head device, optical recording device, and optical recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 11, 2008·6 cites·21 claims
- 4667US7203138B2Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 10, 2007·6 cites·10 claims
- 4767US7193955B2Optical head device and optical information reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 20, 2007·6 cites·9 claims
- 4867US5455712AOptical element and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 3, 1995·13 cites·2 claims
- 4966US7580327B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodPANASONIC CORP·Filed 2007·Granted Aug 25, 2009·0 cites·2 claims
- 5066US5892741AInformation recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Apr 6, 1999·18 cites·9 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →