Inventor · disambiguated record
Akira Matsubara
Also filed as: MATSUBARA AKIRA
25 granted patents·14 pending applications·315 citations·filing 1981–2025
95Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD13DAIKIN IND LTD4EARTH CHEMICAL CO4PANASONIC IP MAN CO LTD3PROCTER & GAMBLE3
Top patents by PatentIndex Score
39 records- 0191US6633534B1Optical disk and optical disk driveMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 14, 2003·70 cites·10 claims
- 0285US10842431B2Mental illness determination deviceDAIKIN IND LTD·Filed 2017·Granted Nov 24, 2020·9 cites·13 claims
- 0384US7113571B2Communication system, communication management system and methodSONY CORP·Filed 2001·Granted Sep 26, 2006·40 cites·22 claims
- 0484US5430699AOptical reading and writing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 4, 1995·36 cites·11 claims
- 0583US5467328ALens drive mechanism for optical disc player with parallel support springs having different spring constantsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 14, 1995·35 cites·20 claims
- 0682US4380964AHolding spindle for printing and coating cylindrical containersTOYO SEIKAN KAISHA LTD·Filed 1981·Granted Apr 26, 1983·22 cites·1 claims
- 0780US10306878B2Insect pest control agentEARTH CHEMICAL CO·Filed 2017·Granted Jun 4, 2019·1 cites·16 claims
- 0880US6473373B1Optical disk apparatus having compensation for objective lens dislocationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 29, 2002·11 cites·8 claims
- 0979US5629919ATwo plate-like beam splitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 13, 1997·37 cites·12 claims
- 1074US12280793B2Information processing apparatus and information processing methodPANASONIC IP MAN CO LTD·Filed 2023·Granted Apr 22, 2025·0 cites·22 claims
- 1173US12136240B2Methods for identifying pore colorPROCTER & GAMBLE·Filed 2023·Granted Nov 5, 2024·0 cites·16 claims
- 1271US12463472B2Charging device and charging methodPANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2024·Granted Nov 4, 2025·0 cites·18 claims
- 1371US9826728B2Insect pest control agentEARTH CHEMICAL CO·Filed 2013·Granted Nov 28, 2017·5 cites·23 claims
- 1469US2025249926A1Information processing apparatus and information processing methodPANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 1567US4998235AFocus detection system for an optical disk drive using photo sensor elements in the far field of information pitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Mar 5, 1991·14 cites·8 claims
- 1665US2008169215A1Cosmetic compositionsPROCTER & GAMBLE·Filed 2008·Application pending·0 cites
- 1764US2025003070A1Substrate-processing apparatus and film-forming methodTOKYO ELECTRON LTD·Filed 2024·Application pending·0 cites
- 1858US11776161B2Methods for identifying pore colorPROCTER & GAMBLE·Filed 2019·Granted Oct 3, 2023·0 cites·11 claims
- 1958US5031167AFocus error detection system for an optical recording/reproducing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jul 9, 1991·10 cites·10 claims
- 2055US2023407466A1Deposition method and deposition apparatusTOKYO ELECTRON LTD·Filed 2023·Application pending·0 cites
- 2152US12079990B2Leg muscle strength estimation system and leg muscle strength estimation methodPANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 3, 2024·0 cites·10 claims
- 2252US2024331865A1Disease or health condition examination method and examination systemDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 2350US2011110874A1Cosmetic CompositionsTANAKA HIDEKAZU·Filed 2011·Application pending·0 cites
- 2449US5952416AThermosetting resin composition for sliding membersOTSUKA KAGAKU KK·Filed 1995·Granted Sep 14, 1999·11 cites·8 claims
- 2548US9111363B2Video playback apparatus and video playback methodPANASONIC IP MAN CO LTD·Filed 2013·Granted Aug 18, 2015·0 cites·3 claims
- 2647US2016081322A1Injection device for powdered drugs and injection method for powdered drugsEARTH CHEMICAL CO·Filed 2014·Application pending·0 cites
- 2746US6925038B2Optical disc apparatus having compensation for objective lens dislocation, and method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 2, 2005·0 cites·5 claims
- 2846US4766303AOptical information system having a birefringence plate movably disposed in accordance with the detected light intensityMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Aug 23, 1988·6 cites·16 claims
- 2946US2022322951A1Determination systemDAIKIN IND LTD·Filed 2020·Application pending·0 cites
- 3045US2004090878A1Optical disk apparatus having compensation for objective lens dislocationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3145US2004141430A1Optical disk apparatus having compensation for objective lens dislocationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3245US2004090877A1Optical disk apparatus having compensation for objective lens dislocationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3344US2015296765A1Device for spraying powdery chemical agent and process for spraying powdery chemical agentEARTH CHEMICAL CO·Filed 2013·Application pending·0 cites
- 3443US11786165B2Physiological state determination deviceDAIKIN IND LTD·Filed 2018·Granted Oct 17, 2023·0 cites·20 claims
- 3543US6721246B2Optical disk apparatus having compensation for objective lens dislocationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 13, 2004·0 cites·5 claims
- 3641US2003135545A1Method for permitting reproduction of content file and recorded medium on which reproduction software for reproducing content file is recordedFiled 2001·Application pending·0 cites
- 3740US2012128327A1Video reproducing deviceMATSUBARA AKIRA·Filed 2010·Application pending·0 cites
- 3838US5081672AAutomatic telephone answering apparatusSONY CORP·Filed 1990·Granted Jan 14, 1992·8 cites·13 claims
- 3927US8508585B2Three-dimensional video reproduction apparatus, three-dimensional video reproduction method, and integrated circuitYAMAMOTO NARIAKI·Filed 2011·Granted Aug 13, 2013·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →