Inventor · disambiguated record
Koji Obata
Also filed as: OBATA KOJI
37 granted patents·24 pending applications·670 citations·filing 1998–2023
97Inventor score
Top patents by PatentIndex Score
61 records- 0198US6795499B1Encoding apparatus and method, and multiplexing apparatus and methodSONY CORP·Filed 2000·Granted Sep 21, 2004·114 cites·6 claims
- 0294US7394851B2Encoding apparatus and method, and multiplexing apparatus and methodSONY CORP·Filed 2004·Granted Jul 1, 2008·63 cites·3 claims
- 0391US8981699B2Rotating electric machine for electric vehicle, drive control device and insulation diagnosis methodOBATA KOJI·Filed 2010·Granted Mar 17, 2015·11 cites·17 claims
- 0490US6434275B1Block distortion reduction method and device and encoding method and deviceSONY CORP·Filed 1998·Granted Aug 13, 2002·144 cites·29 claims
- 0589US7496675B2Data multiplexer, data multiplexing method, and recording mediumSONY CORP·Filed 2001·Granted Feb 24, 2009·41 cites·3 claims
- 0689US6414999B1Editing method and editing apparatusSONY CORP·Filed 1999·Granted Jul 2, 2002·55 cites·10 claims
- 0788US12206430B2A/D converterPANASONIC IP MAN CO LTD·Filed 2021·Granted Jan 21, 2025·2 cites·15 claims
- 0887US7952245B2Power distribution unit for rotary electric machine with linear conductor connecting ring having terminal section with axially extending hole for connecting stator coil, and method for assembling rotary electric machineHITACHI LTD·Filed 2008·Granted May 31, 2011·15 cites·6 claims
- 0986US8400029B2Rotating electrical machine having a plurality of cooling medium pathsSUGIMOTO SHINJI·Filed 2010·Granted Mar 19, 2013·11 cites·10 claims
- 1086US7557483B2Rotating electrical machine and manufacturing method thereofHITACHI LTD·Filed 2005·Granted Jul 7, 2009·15 cites·9 claims
- 1184US6825886B2Picture signal processing method and apparatusSONY CORP·Filed 2002·Granted Nov 30, 2004·22 cites·22 claims
- 1283US7936100B2Stator for rotating machine and rotating machine using the sameHITACHI LTD·Filed 2008·Granted May 3, 2011·11 cites·10 claims
- 1381US6795498B1Decoding apparatus, decoding method, encoding apparatus, encoding method, image processing system, and image processing methodSONY CORP·Filed 2000·Granted Sep 21, 2004·23 cites·19 claims
- 1479US6466625B1Picture signal processing method and apparatusSONY CORP·Filed 1998·Granted Oct 15, 2002·53 cites·55 claims
- 1577US8937567B2Delta-sigma modulator, integrator, and wireless communication devicePANASONIC CORP·Filed 2013·Granted Jan 20, 2015·6 cites·5 claims
- 1675US9178530B2Delta sigma modulator, as well as receiver device and wireless communication device provided with samePANASONIC CORP·Filed 2013·Granted Nov 3, 2015·5 cites·16 claims
- 1774US7764042B2Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the sameHITACHI LTD·Filed 2007·Granted Jul 27, 2010·6 cites·8 claims
- 1873US9018970B2Method of testing partial discharge of rotating electrical machine driven by inverterOBATA KOJI·Filed 2012·Granted Apr 28, 2015·3 cites·5 claims
- 1973US6574274B2Picture signal processing system, decoder, picture signal processing method, and decoding methodSONY CORP·Filed 1999·Granted Jun 3, 2003·45 cites·23 claims
- 2069US10024896B2Inverter-driven rotary electric machine, phase-to-phase insulation partial discharge inspection method and phase-to-phase insulation partial discharge inspection apparatusOBATA KOJI·Filed 2011·Granted Jul 17, 2018·2 cites·6 claims
- 2169US9097768B2Method for testing an inverter drive rotating electric machineOBATA KOJI·Filed 2012·Granted Aug 4, 2015·2 cites·8 claims
- 2269US7940805B2Receiving device, clock synchronizing method, and computer programSONY CORP·Filed 2009·Granted May 10, 2011·4 cites·7 claims
- 2369US7659651B2Rotating electric machine, winding machine, and rotating electric machine systemHITACHI LTD·Filed 2007·Granted Feb 9, 2010·11 cites·20 claims
- 2469US2025196721A1Work vehicleKOMATSU MFG CO LTD·Filed 2023·Application pending·0 cites
- 2563US11611349B2Analog-to-digital converter, sensor system , and test systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Mar 21, 2023·0 cites·9 claims
- 2663US2025236211A1Earthwork machineKOMATSU MFG CO LTD·Filed 2023·Application pending·0 cites
- 2761US9287887B2DEM circuit, delta-sigma modulator, D/A converter, and wireless communication devicePANASONIC CORP·Filed 2014·Granted Mar 15, 2016·2 cites·11 claims
- 2858US2025010763A1Control system, work vehicle management device, control device, and method for controlling work vehicleKOMATSU MFG CO LTD·Filed 2022·Application pending·0 cites
- 2953US11677411B2A/D converter, sensor processing circuit, and sensor systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Jun 13, 2023·0 cites·12 claims
- 3053US8823567B2Resonator, delta-sigma modulator, and wireless communication deviceMITANI YOSUKE·Filed 2012·Granted Sep 2, 2014·2 cites·10 claims
- 3152US12278647B2A/D converter and sensor system including the samePANASONIC IP MAN CO LTD·Filed 2021·Granted Apr 15, 2025·0 cites·20 claims
- 3252US11664815B2Digital filter, A/D converter, sensor processing circuit, and sensor systemPANASONIC IP MAN CO LTD·Filed 2020·Granted May 30, 2023·0 cites·10 claims
- 3352US9851394B2Partial-discharge measurement method and high-voltage device inspected using sameHITACHI LTD·Filed 2013·Granted Dec 26, 2017·0 cites·8 claims
- 3452US9705372B2Rotating electric machine and method of manufacturing sameKURAHARA YOSHIMI·Filed 2012·Granted Jul 11, 2017·1 cites·11 claims
- 3552US8872684B2Resonant filter, delta-sigma A/D converter, and semiconductor devicePANASONIC CORP·Filed 2014·Granted Oct 28, 2014·1 cites·9 claims
- 3650US2024399897A1Work vehicleKOMATSU MFG CO LTD·Filed 2022·Application pending·0 cites
- 3749US2021249109A1Information processing system, information processing device, and information processing methodSONY CORP·Filed 2019·Application pending·0 cites
- 3847US6730255B2Method of manufacture of resin blockHITACHI LTD·Filed 2003·Granted May 4, 2004·0 cites·10 claims
- 3947US2015349588A1Rotating Electrical MachineHITACHI LTD·Filed 2014·Application pending·0 cites
- 4047US2015381005A1Rotary MachineHITACHI LTD·Filed 2013·Application pending·0 cites
- 4145US11033176B2Medical system, medical device, and medical methodSONY CORP·Filed 2016·Granted Jun 15, 2021·0 cites·13 claims
- 4245US2025208613A1Error analysis method, error analysis device, and recording mediumPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 4345US2008231136A1Electrical rotating machine and electric vehicleOBATA KOJI·Filed 2008·Application pending·0 cites
- 4444US6649847B2Resin block insulating systemHITACHI LTD·Filed 2001·Granted Nov 18, 2003·0 cites·5 claims
- 4544US2023122673A1Data generation method, decision method, program, and data generation systemPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 4644US2020280269A1Vibration-powered generation device and sensor systemPANASONIC IP MAN CO LTD·Filed 2018·Application pending·0 cites
- 4743US11916563B2Analog-to-digital converter, sensor processing circuit, and sensor systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Feb 27, 2024·0 cites·6 claims
- 4843US2015022045A1Electrical Rotating MachineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Application pending·0 cites
- 4941US10340868B2Amplifier circuit including first input branch circuit, second input branch circuit, feedback capacitor, and operational amplifier and pulse-wave measuring devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Jul 2, 2019·0 cites·6 claims
- 5040US2013038182A1Inverter-driven dynamo electric machine and system, bearing, and end bracket for sameHITACHI LTD·Filed 2010·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →