Inventor · disambiguated record
Kenji Nagashima
Also filed as: NAGASHIMA KENJI
63 granted patents·39 pending applications·425 citations·filing 1982–2025
98Inventor score
Files withFUNAI ELECTRIC CO48MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12SONY CORP11NAGASHIMA KENJI10NISHIOKA KEN6
Top patents by PatentIndex Score
102 records- 0190US6496453B2Optical pickupMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 17, 2002·33 cites·19 claims
- 0289US8123361B2Dual-projection projector and method for projecting images on a plurality of planesNAGASHIMA KENJI·Filed 2008·Granted Feb 28, 2012·26 cites·12 claims
- 0388US8988774B2Projector and projection screenFUNAI ELECTRIC CO·Filed 2013·Granted Mar 24, 2015·6 cites·19 claims
- 0488US8197066B2Image display apparatusNAGASHIMA KENJI·Filed 2008·Granted Jun 12, 2012·12 cites·13 claims
- 0583US8123367B2Image display apparatus and method for displaying image using laser light emission controlNAGASHIMA KENJI·Filed 2008·Granted Feb 28, 2012·8 cites·5 claims
- 0682US9658465B2Projector and screenFUNAI ELECTRIC CO·Filed 2016·Granted May 23, 2017·2 cites·6 claims
- 0782US6304526B1Optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 16, 2001·39 cites·12 claims
- 0881US8011790B2Image display apparatus having casings foldable relative to each otherFUNAI ELECTRIC CO·Filed 2008·Granted Sep 6, 2011·6 cites·6 claims
- 0981US7552011B2Map display apparatus and map display methodSONY CORP·Filed 2005·Granted Jun 23, 2009·14 cites·10 claims
- 1080US9781352B2Imaging apparatus, imaging method, and imaging operation control programNAGASHIMA KENJI·Filed 2016·Granted Oct 3, 2017·3 cites·18 claims
- 1180US7417937B2Optical pickup apparatusFUNAI ELECTRIC CO·Filed 2005·Granted Aug 26, 2008·4 cites·3 claims
- 1279US6674709B1Optical head apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 6, 2004·12 cites·28 claims
- 1379US6021102ADisc drive apparatus for more than one type of discSONY CORP·Filed 1997·Granted Feb 1, 2000·33 cites·49 claims
- 1478US10051247B2Image projection apparatusFUNAI ELECTRIC CO·Filed 2015·Granted Aug 14, 2018·3 cites·20 claims
- 1578US9686518B2ProjectorFUNAI ELECTRIC CO·Filed 2016·Granted Jun 20, 2017·2 cites·20 claims
- 1678US5309460ASemiconductor laser with encapsulated lead membersSONY CORP·Filed 1992·Granted May 3, 1994·66 cites·28 claims
- 1777US6618343B1Optical information processor and optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 9, 2003·20 cites·9 claims
- 1875US6757227B2Optical drive apparatus for use with different recording media, tracking control method for use therein, and optical discSONY CORP·Filed 2001·Granted Jun 29, 2004·12 cites·26 claims
- 1972US7586819B2Optical pickup deviceFUNAI ELECTRIC CO·Filed 2006·Granted Sep 8, 2009·2 cites·8 claims
- 2071US7835053B2Projection image display apparatusFUNAI ELECTRIC CO·Filed 2009·Granted Nov 16, 2010·5 cites·3 claims
- 2170US9826205B2Display and portable projectorFUNAI ELECTRIC CO·Filed 2017·Granted Nov 21, 2017·1 cites·20 claims
- 2270US8259237B2Image display apparatus and image display methodNISHIOKA KEN·Filed 2009·Granted Sep 4, 2012·2 cites·16 claims
- 2369US9354501B2Projector and screenFUNAI ELECTRIC CO·Filed 2015·Granted May 31, 2016·1 cites·18 claims
- 2469US7390100B2Variable-shape mirror and optical pickup device therewithFUNAI ELECTRIC CO·Filed 2006·Granted Jun 24, 2008·5 cites·19 claims
- 2568US4412377AMethod for manufacturing a hybrid integrated circuit deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Nov 1, 1983·29 cites·6 claims
- 2667US6888787B2Optical information processor and optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 3, 2005·4 cites·44 claims
- 2765US6229772B1Optical disc device and optical disc discriminating methodSONY CORP·Filed 1998·Granted May 8, 2001·19 cites·18 claims
- 2864US9104092B2Display and portable projector including a laser beam generation portionNISHIOKA KEN·Filed 2011·Granted Aug 11, 2015·1 cites·18 claims
- 2964US6920101B2Optical information processor and optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 19, 2005·3 cites·6 claims
- 3063US9075246B2Image display device having laser light scanning with a variation in scanning speedCHIKAOKA ATSUHIKO·Filed 2011·Granted Jul 7, 2015·1 cites·14 claims
- 3163US7953132B2Laser driver circuit and laser displayFUNAI ELECTRIC CO·Filed 2009·Granted May 31, 2011·1 cites·6 claims
- 3263US6819647B2Optical information processor and optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 16, 2004·3 cites·6 claims
- 3359US6014361ABeam expander to change an elliptical light beam emitted from a laser source to a circular light beamMATUSHITA ELECTRIC IND CO LTD·Filed 1998·Granted Jan 11, 2000·16 cites·5 claims
- 3458US6822934B2Optical disc apparatus for finding a tracking error for an optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 23, 2004·3 cites·24 claims
- 3558US2024320841A1Information processing apparatus and information processing methodNAGASHIMA KENJI·Filed 2024·Application pending·0 cites
- 3657US8797362B2Rotary input device and electronic equipmentNAGASHIMA KENJI·Filed 2010·Granted Aug 5, 2014·1 cites·8 claims
- 3757US7502301B2Diffraction grating for plural wavelengths, optical pickup apparatus and optical disk apparatus using diffraction grating for plural wavelengthsFUNAI ELECTRIC CO·Filed 2004·Granted Mar 10, 2009·5 cites·6 claims
- 3856US9602789B2Display and portable projectorFUNAI ELECTRIC CO·Filed 2015·Granted Mar 21, 2017·0 cites·20 claims
- 3956US7452089B2Variable-shape mirror and optical pickup device therewithFUNAI ELECTRIC CO·Filed 2006·Granted Nov 18, 2008·1 cites·8 claims
- 4056US6914870B2Optical head apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 5, 2005·2 cites·6 claims
- 4155US2025308246A1Information processing system, information processing apparatus, and information processing methodOKAMOTO TOSHIHIRO·Filed 2025·Application pending·0 cites
- 4254US7145844B2Optical head with adjustable beam shaping elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 5, 2006·2 cites·14 claims
- 4353US12196411B2Light source deviceSTANLEY ELECTRIC CO LTD·Filed 2024·Granted Jan 14, 2025·0 cites·6 claims
- 4453US7774114B2In-vehicle equipment systemSONY CORP·Filed 2009·Granted Aug 10, 2010·1 cites·6 claims
- 4552US7755014B2Optical pickup deviceFUNAI ELECTRIC CO·Filed 2007·Granted Jul 13, 2010·0 cites·5 claims
- 4652US5144614AOptical pickup deviceSONY CORP·Filed 1992·Granted Sep 1, 1992·9 cites·4 claims
- 4752US2008239928A1Optical pickupFUNAI ELECTRIC CO·Filed 2008·Application pending·0 cites
- 4851US7724632B2Optical pickup deviceFUNAI ELECTRIC CO·Filed 2006·Granted May 25, 2010·0 cites·8 claims
- 4951US2008101197A1Light information recording apparatus and light information reproducing apparatusFUNAI ELECTRIC CO·Filed 2007·Application pending·0 cites
- 5051US2009189923A1Laser ProjectorFUNAI ELECTRIC CO·Filed 2009·Application pending·0 cites
Showing the top 50 of 102 patent records by PatentIndex Score.
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