Inventor · disambiguated record
Takashi Tokunaga
Also filed as: TOKUNAGA TAKASHI
49 granted patents·11 pending applications·467 citations·filing 1989–2024
98Inventor score
Files withMITSUBISHI ELECTRIC CORP20JAPAN AVIATION ELECTRONICS IND LTD12JAPAN AVIATION ELECTRON6SONY CORP5KYOCERA CORP4
Top patents by PatentIndex Score
60 records- 0196US6960103B2Connector to be mounted to a board and ground structure of the connectorJAPAN AVIATION ELECTRON·Filed 2004·Granted Nov 1, 2005·102 cites·13 claims
- 0295US6971916B2Electrical connector for use in transmitting a signalJAPAN AVIATION ELECTRON·Filed 2004·Granted Dec 6, 2005·83 cites·8 claims
- 0394US7811683B2Cutting toolKYOCERA CORP·Filed 2007·Granted Oct 12, 2010·28 cites·19 claims
- 0493US11552419B2Floating connectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2021·Granted Jan 10, 2023·3 cites·7 claims
- 0591US7951491B2Positive electrode and lithium ion secondary batterySONY CORP·Filed 2008·Granted May 31, 2011·11 cites·9 claims
- 0687US11552420B2Floating connectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2021·Granted Jan 10, 2023·2 cites·11 claims
- 0786US7972409B2Cemented carbide and cutting toolKYOCERA CORP·Filed 2006·Granted Jul 5, 2011·12 cites·6 claims
- 0884US7503773B2Connector, mating connector and board-to-board connector assemblyJAPAN AVIATION ELECTRON·Filed 2006·Granted Mar 17, 2009·23 cites·18 claims
- 0984US5347485AMagnetic thin film memoryMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Sep 13, 1994·58 cites·19 claims
- 1083US7759007B2Cathode active material and lithium ion secondary batterySONY CORP·Filed 2006·Granted Jul 20, 2010·5 cites·11 claims
- 1182US10033140B2Connector attachable to a cable which comprises a plurality of signal cables and wire harness using the sameJAPAN AVIATION ELECTRONICS IND LTD·Filed 2017·Granted Jul 24, 2018·6 cites·9 claims
- 1277US11431119B2Floating connectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2021·Granted Aug 30, 2022·1 cites·16 claims
- 1375US8313842B2Ti-based cermetKINOSHITA HIDEYOSHI·Filed 2008·Granted Nov 20, 2012·4 cites·7 claims
- 1473US10490958B2ConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2015·Granted Nov 26, 2019·4 cites·8 claims
- 1573US8580376B2Cutting toolKINOSHITA HIDEYOSHI·Filed 2009·Granted Nov 12, 2013·2 cites·14 claims
- 1672US7510445B2Connector with high connection reliabilityJAPAN AVIATION ELECTRON·Filed 2007·Granted Mar 31, 2009·12 cites·12 claims
- 1772US5208797AMagneto-optical recording media and apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted May 4, 1993·21 cites·26 claims
- 1865US9091566B2Binarization circuit for binarizing detection signal representing rotation or movement of objectTSUKAMOTO MANABU·Filed 2010·Granted Jul 28, 2015·3 cites·6 claims
- 1964US5512366AMagneto-optic recording medium and apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Apr 30, 1996·11 cites·20 claims
- 2063US9806447B2Connector having fixed portions of a shell, differential pair of signal contacts and a ground contact arranged in a row forming a fixed portion groupJAPAN AVIATION ELECTRONICS IND LTD·Filed 2016·Granted Oct 31, 2017·2 cites·9 claims
- 2163US5449566AOverwritable, high-density magneto-optical recording medium and recording/reproduction method thereforMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Sep 12, 1995·12 cites·8 claims
- 2259USD1089111SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Aug 19, 2025·1 cites·1 claims
- 2358US9742024B2Secondary battery, battery pack, electronic apparatus, electric tool, electric vehicle, and power storage systemSONY CORP·Filed 2015·Granted Aug 22, 2017·0 cites·19 claims
- 2458US7413591B2Throw-away tip and cutting toolKYOCERA CORP·Filed 2003·Granted Aug 19, 2008·4 cites·9 claims
- 2556US7797091B2Rollover judgment apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Sep 14, 2010·2 cites·11 claims
- 2655US9074270B2Sintered cermet and cutting toolTOKUNAGA TAKASHI·Filed 2009·Granted Jul 7, 2015·0 cites·5 claims
- 2755US7925395B2Rollover judging deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 12, 2011·1 cites·22 claims
- 2855US7909905B2TiCN-base cermet and cutting tool and method for manufacturing cut article using the sameKYOCERA CORP·Filed 2007·Granted Mar 22, 2011·0 cites·10 claims
- 2955US2025171718A1Semiconductor cleaning liquid and method for producing semiconductor cleaning liquidTOKUYAMA CORP·Filed 2023·Application pending·0 cites
- 3053US9012054B2Secondary battery, battery pack, electronic apparatus, electric tool, electric vehicle, and power storage systemTOKUNAGA TAKASHI·Filed 2011·Granted Apr 21, 2015·0 cites·11 claims
- 3153US2010055564A1Porous protective film layer-provided electrode, non-aqueous electrolyte secondary battery and method for manufacturing porous protective film layer-provided electrodeSONY CORP·Filed 2009·Application pending·0 cites
- 3251US7222010B2Rollover determination apparatus for vehiclesMITSUBISHI ELECTRIC CORP·Filed 2004·Granted May 22, 2007·6 cites·13 claims
- 3351US5679455AMagneto-optic recording medium and apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Oct 21, 1997·7 cites·2 claims
- 3450US5258237AMagneto-optic recording mediumMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Nov 2, 1993·8 cites·11 claims
- 3549US2015194702A1Non-aqueous electrolyte secondary battery and method for manufacturing non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 3648US7708567B2Connector having a plurality of connector modules and a housing that holds said plurality of connector modules with a gap between adjacent ones thereofJAPAN AVIATION ELECTRON·Filed 2009·Granted May 4, 2010·2 cites·6 claims
- 3748US2007026311A1BatterySONY CORP·Filed 2006·Application pending·0 cites
- 3848US2012204932A1Thin-film solar battery module and method for manufacturing the sameENDO KAZUYO·Filed 2010·Application pending·0 cites
- 3947US2015162640A1Nonaqueous electrolyte secondary battery and method of manufacturing nonaqueous electrolyte secondary batteryWASEDA TETSUYA·Filed 2013·Application pending·0 cites
- 4046US10680230B2Square secondary batterySANYO ELECTRIC CO·Filed 2018·Granted Jun 9, 2020·0 cites·10 claims
- 4146US2023121726A1Semiconductor treatment liquid and method for manufacturing sameTOKUYAMA CORP·Filed 2021·Application pending·0 cites
- 4246US2006184301A1Rollover sensing deviceMITSUBISHI ELECTRIC CORP·Filed 2006·Application pending·0 cites
- 4345USD1106073SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 4445USD1095438SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Sep 30, 2025·0 cites·1 claims
- 4545USD1092402SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Sep 9, 2025·0 cites·1 claims
- 4645USD1089112SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Aug 19, 2025·0 cites·1 claims
- 4745USD1086062SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Granted Jul 29, 2025·0 cites·1 claims
- 4845US9943910B2Cutting toolTOKUNAGA TAKASHI·Filed 2011·Granted Apr 17, 2018·0 cites·8 claims
- 4944US5216663AMagneto-optic recording medium and manufacturing methodMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jun 1, 1993·5 cites·1 claims
- 5043US5337305AInformation storage systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 9, 1994·5 cites·8 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →