Inventor · disambiguated record
Ken'Ichi Kasazumi
Also filed as: KASAZUMI KEN ICHI · KASAZUMI KENICHI
74 granted patents·12 pending applications·713 citations·filing 1996–2024
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD33PANASONIC IP MAN CO LTD27PANASONIC CORP21PANASONIC AUTOMOTIVE SYSTEMS CO LTD2MORIKAWA AKIHIRO1
Top patents by PatentIndex Score
86 records- 0198US7677736B2Illumination light source and two-dimensional image display using samePANASONIC CORP·Filed 2005·Granted Mar 16, 2010·79 cites·9 claims
- 0295US6650612B1Optical head and recording reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 18, 2003·65 cites·22 claims
- 0394US11646000B2Image display system, image display method, movable object including the image display system, and non-transitory computer-readable mediumPANASONIC IP MAN CO LTD·Filed 2022·Granted May 9, 2023·2 cites·18 claims
- 0492US6819646B1Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 16, 2004·31 cites·4 claims
- 0591US7866831B2Image projectorPANASONIC CORP·Filed 2006·Granted Jan 11, 2011·16 cites·2 claims
- 0690US7593159B2Display devicePANASONIC CORP·Filed 2004·Granted Sep 22, 2009·42 cites·9 claims
- 0789US11175501B2Display device, method for controlling display device, and moving body including display devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 16, 2021·6 cites·9 claims
- 0888US7926950B2Laser image display device and color image display method utilizing control of the power of plural laser beams to display a pixelPANASONIC CORP·Filed 2006·Granted Apr 19, 2011·8 cites·11 claims
- 0987US7938541B2Laser picture formation device and color picture formation methodPANASONIC CORP·Filed 2006·Granted May 10, 2011·10 cites·23 claims
- 1086US10488655B2Display devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Nov 26, 2019·5 cites·10 claims
- 1186US7969532B2Surface illuminator and liquid crystal display using samePANASONIC CORP·Filed 2006·Granted Jun 28, 2011·9 cites·28 claims
- 1286US6958967B2Holographic optical information recording/reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 25, 2005·21 cites·10 claims
- 1385US7271962B2Two-dimensional image formation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 18, 2007·30 cites·13 claims
- 1485US6314068B1Optical 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
- 1584US7873087B2Light source, light source device, laser image forming device and integrated circuitPANASONIC CORP·Filed 2006·Granted Jan 18, 2011·7 cites·9 claims
- 1683US7954962B2Laser image display, and optical integrator and laser light source package used in such laser image displayPANASONIC CORP·Filed 2006·Granted Jun 7, 2011·12 cites·13 claims
- 1783US5737296AFocus 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
- 1882US7796331B2Laser image display device and laser image display screenPANASONIC CORP·Filed 2006·Granted Sep 14, 2010·7 cites·6 claims
- 1982US7010006B2Light source apparatus and its control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 7, 2006·20 cites·15 claims
- 2082US6418107B1Optical 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
- 2182US6327231B1Optical head device with zero-cross point correctionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 4, 2001·17 cites·14 claims
- 2280US7416306B2Laser projectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 26, 2008·14 cites·10 claims
- 2380US7370972B2Two-dimensional image display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 13, 2008·14 cites·16 claims
- 2478US6418095B1Optical 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
- 2577US10754154B2Display device and moving body having display devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Aug 25, 2020·2 cites·10 claims
- 2677US7562988B2Two-dimensional image display devicePANASONIC CORP·Filed 2004·Granted Jul 21, 2009·12 cites·6 claims
- 2777US7035192B2Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 25, 2006·8 cites·4 claims
- 2876US7988304B2Video projectorPANASONIC CORP·Filed 2005·Granted Aug 2, 2011·5 cites·5 claims
- 2975US7474682B2Semiconductor laser device and laser projectorPANASONIC CORP·Filed 2004·Granted Jan 6, 2009·12 cites·31 claims
- 3073US11181737B2Head-up display device for displaying display items having movement attribute or fixed attribute, display control method, and control programPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 23, 2021·2 cites·15 claims
- 3173US6785457B2Optical waveguide device and coherent light source and optical apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 31, 2004·11 cites·12 claims
- 3272US6317546B1Optical waveguide device, and light source device and optical apparatus including the optical waveguide deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 13, 2001·19 cites·31 claims
- 3372US6111842AOptical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 29, 2000·23 cites·36 claims
- 3471US10642032B2Head-up displayPANASONIC IP MAN CO LTD·Filed 2018·Granted May 5, 2020·1 cites·5 claims
- 3571US8016427B2Light source device, and two-dimensional image display devicePANASONIC CORP·Filed 2009·Granted Sep 13, 2011·4 cites·8 claims
- 3671US6738326B1Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 18, 2004·7 cites·9 claims
- 3770US11315528B2Image display system, image display method, movable object including the image display system, and non-transitory computer-readable mediumPANASONIC IP MAN CO LTD·Filed 2021·Granted Apr 26, 2022·0 cites·19 claims
- 3870US7922336B2Light source device for display device, display device, and method for adjusting image of display devicePANASONIC CORP·Filed 2006·Granted Apr 12, 2011·3 cites·25 claims
- 3969US7679799B2Illuminating light source including a light intensity modulator that oscillates a light from a coherent light source in a non-integral multiple of one cycle and two- dimensional image display using the samePANASONIC CORP·Filed 2005·Granted Mar 16, 2010·2 cites·5 claims
- 4069US6845113B2Coherent light source and recording/reproducing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 18, 2005·7 cites·22 claims
- 4167US7203138B2Optical 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
- 4266US10705334B2Display device, display method and display mediumPANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 7, 2020·1 cites·15 claims
- 4366US7551654B2Coherent light source and optical systemPANASONIC CORP·Filed 2005·Granted Jun 23, 2009·2 cites·10 claims
- 4466US7215476B2Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 8, 2007·4 cites·12 claims
- 4564US7154837B2Optical pickup and optical information recording/reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 26, 2006·5 cites·4 claims
- 4664US6442114B1Optical disk signal reproducing apparatus and crosstalk canceling system for use thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 27, 2002·16 cites·12 claims
- 4763US11106045B2Display system, movable object, and design methodPANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 31, 2021·0 cites·20 claims
- 4862US11004424B2Image display system, image display method, movable object including the image display system, and non-transitory computer-readable mediumPANASONIC IP MAN CO LTD·Filed 2019·Granted May 11, 2021·0 cites·26 claims
- 4962US10591725B2Display devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 17, 2020·0 cites·7 claims
- 5062US6829080B2Optical waveguide device and light source and optical apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 7, 2004·6 cites·46 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ken'Ichi Kasazumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →