Inventor · disambiguated record
Masaharu Matsumoto
Also filed as: MATSUMOTO MASAHARU
84 granted patents·14 pending applications·2,200 citations·filing 1979–2024
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD36PANASONIC IP MAN CO LTD23FUJITSU LTD7OHI SEISAKUSHO CO LTD6YOROZU JIDOSHA KOGYO KK3
Top patents by PatentIndex Score
98 records- 0196US11815756B2Information display devicePANASONIC IP MAN CO LTD·Filed 2022·Granted Nov 14, 2023·2 cites·16 claims
- 0296US4762348AElectric door lock systemOHI SEISAKUSHO CO LTD·Filed 1986·Granted Aug 9, 1988·127 cites·15 claims
- 0395USD549827SBlood analyzerHORIBA LTD·Filed 2006·Granted Aug 28, 2007·137 cites·1 claims
- 0494US9240267B2Power generation devicePANASONIC CORP·Filed 2014·Granted Jan 19, 2016·29 cites·6 claims
- 0593US6631352B1Decoding circuit and reproduction apparatus which mutes audio after header parameter changesMATUSHITA ELECTRIC IND CO LTD·Filed 2000·Granted Oct 7, 2003·110 cites·28 claims
- 0692US5796845ASound field and sound image control apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 18, 1998·149 cites·10 claims
- 0791US10582249B2Cooking control device, cooking control system, and cooking control methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Mar 3, 2020·4 cites·15 claims
- 0891US7069223B1Compressed code decoding device and audio decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 27, 2006·76 cites·24 claims
- 0990US6798872B1Caller information display system and recording mediumFUJITSU LTD·Filed 2000·Granted Sep 28, 2004·72 cites·8 claims
- 1089US6295319B1Decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 25, 2001·115 cites·13 claims
- 1188US5381482ASound field controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 10, 1995·87 cites·8 claims
- 1287US5442712ASound amplifying apparatus with automatic howl-suppressing functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 15, 1995·100 cites·19 claims
- 1386US5572591ASound field controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 5, 1996·78 cites·6 claims
- 1486US5164840AApparatus for supplying control codes to sound field reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 17, 1992·37 cites·14 claims
- 1585US5165751AAir spoiler deviceOHI SEISAKUSHO CO LTD·Filed 1991·Granted Nov 24, 1992·54 cites·22 claims
- 1685US4902067AAir spoiler retracting deviceOHI SEISAKUSHO CO LTD·Filed 1989·Granted Feb 20, 1990·42 cites·16 claims
- 1784US5742688ASound field controller and control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 21, 1998·69 cites·24 claims
- 1883US11340488B2Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Granted May 24, 2022·1 cites·16 claims
- 1983US6823310B2Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 23, 2004·37 cites·15 claims
- 2082US4968074AAutomatic door latching systemOHI SEISAKUSHO CO LTD·Filed 1988·Granted Nov 6, 1990·46 cites·20 claims
- 2180US9324523B2Power generation devicePANASONIC IP MAN CO LTD·Filed 2013·Granted Apr 26, 2016·7 cites·10 claims
- 2280US4896285ACalculation of filter factors for digital filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jan 23, 1990·26 cites·31 claims
- 2379US4867220ASunshade assembly of motor vehicleOHI SEISAKUSHO CO LTD·Filed 1988·Granted Sep 19, 1989·48 cites·21 claims
- 2478US6145917ADoor operating apparatus for vehicleOHI SEISAKUSHO CO LTD·Filed 1998·Granted Nov 14, 2000·45 cites·11 claims
- 2578US5375188AMusic/voice discriminating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 20, 1994·35 cites·6 claims
- 2678US4888808ADigital equalizer apparatus enabling separate phase and amplitude characteristic modificationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 19, 1989·64 cites·31 claims
- 2776US6988630B2Storage containerPROCTER & GAMBLE·Filed 2003·Granted Jan 24, 2006·21 cites·10 claims
- 2875US6356639B1Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 12, 2002·42 cites·10 claims
- 2975US5099511AExchange system for incoming calls from direct-in linesFUJITSU LTD·Filed 1989·Granted Mar 24, 1992·38 cites·15 claims
- 3074US4283155AApparatus for connection of operating rodNIFCO INC·Filed 1979·Granted Aug 11, 1981·22 cites·5 claims
- 3173USD966024SWall transmissive display for airplane seat unitPANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 11, 2022·5 cites·1 claims
- 3273US10265762B2Cast-in structure and cast-in mold for vehicle componentAHRESTY CORP·Filed 2016·Granted Apr 23, 2019·1 cites·2 claims
- 3372US11422402B2Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 23, 2022·0 cites·12 claims
- 3472US9527590B2Cradle devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Dec 27, 2016·2 cites·14 claims
- 3572US7560072B2Blood analyzer with specimen container holderHORIBA LTD·Filed 2007·Granted Jul 14, 2009·4 cites·8 claims
- 3671US11320688B2Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Granted May 3, 2022·0 cites·6 claims
- 3770US7236838B2Signal processing apparatus, signal processing method, program and recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 26, 2007·12 cites·8 claims
- 3870US4758037AMovable front spoiler device for automotive vehicleNISSAN MOTOR·Filed 1986·Granted Jul 19, 1988·28 cites·9 claims
- 3970US2020319669A1Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 4070US2020319498A1Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 4170US2020319497A1Information display devicePANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 4269US10633095B2Imaging system, video processing system, and video processing methodPANASONIC IP MAN CO LTD·Filed 2016·Granted Apr 28, 2020·2 cites·14 claims
- 4369US6363407B1Exponential calculation device and decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 26, 2002·12 cites·16 claims
- 4466US6297754B1Decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 2, 2001·14 cites·10 claims
- 4565US6751177B1Signal processorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 15, 2004·17 cites·7 claims
- 4665US6460016B1Audio decoding device for decoding coded audio information with multiple channelsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 1, 2002·12 cites·7 claims
- 4764US6546105B1Sound image localization device and sound image localization methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 8, 2003·37 cites·32 claims
- 4864US5684881ASound field and sound image control apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 4, 1997·23 cites·20 claims
- 4963US7418009B2Method of transferring frames of variable length for a passive optical network that improves network efficiency and simplifies child apparatusFUJITSU LTD·Filed 2002·Granted Aug 26, 2008·7 cites·16 claims
- 5063US5617478ASound reproduction system and a sound reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 1, 1997·38 cites·2 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →