Inventor · disambiguated record
Hideharu Takezawa
Also filed as: TAKEZAWA HIDEHARU
49 granted patents·34 pending applications·347 citations·filing 2000–2023
97Inventor score
Files withPANASONIC IP MAN CO LTD24TAKEZAWA HIDEHARU20MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8PANASONIC CORP7FUJIKAWA MASATO4
Top patents by PatentIndex Score
83 records- 0198US7687202B2Non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2005·Granted Mar 30, 2010·46 cites·13 claims
- 0293US7248023B2Charger for lithium secondary battery and electronic apparatus including chargerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 24, 2007·48 cites·5 claims
- 0392US7914930B2Method for producing non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2006·Granted Mar 29, 2011·23 cites·7 claims
- 0492US6558841B1Negative electrode for non-aqueous electrolyte rechargeable batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 6, 2003·59 cites·3 claims
- 0592US6265111B1Non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 24, 2001·48 cites·12 claims
- 0689US8017262B2Lithium secondary battery with porous heat-resistant layerPANASONIC CORP·Filed 2006·Granted Sep 13, 2011·8 cites·12 claims
- 0787US7754390B2Manufacturing method of negative electrode for nonaqueous electrolytic rechargeable battery, and nonaqueous electrolytic rechargeable battery using itPANASONIC CORP·Filed 2007·Granted Jul 13, 2010·7 cites·9 claims
- 0884US8673471B2Portable electronic deviceYOKOYAMA TOMOHIKO·Filed 2009·Granted Mar 18, 2014·5 cites·7 claims
- 0982US8133374B2Method and apparatus for manufacturing negative electrode for non-aqueous electrolyte secondary batteryTAKEZAWA HIDEHARU·Filed 2007·Granted Mar 13, 2012·5 cites·13 claims
- 1081US12237495B2Secondary batteryPANASONIC IP MAN CO LTD·Filed 2023·Granted Feb 25, 2025·0 cites·5 claims
- 1179US11545721B2Secondary batteriesPANASONIC IP MAN CO LTD·Filed 2018·Granted Jan 3, 2023·1 cites·9 claims
- 1279US6733927B1Non-aqueous electrolyte secondary battery and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 11, 2004·17 cites·8 claims
- 1377US8318347B2Lithium ion secondary batteryYOKOYAMA TOMOHIKO·Filed 2008·Granted Nov 27, 2012·4 cites·7 claims
- 1475US8153292B2Electrochemical device, manufacturing method of electrode thereof and processing apparatus for electrode of electrochemical deviceTAKEZAWA HIDEHARU·Filed 2008·Granted Apr 10, 2012·2 cites·9 claims
- 1575US8091505B2Secondary battery, method and device for testing the negative electrode, and method and device for producing negative electrode thereofTAKEZAWA HIDEHARU·Filed 2008·Granted Jan 10, 2012·2 cites·2 claims
- 1675US7803485B2Positive electrode for lithium secondary battery, and lithium secondary battery using the samePANASONIC CORP·Filed 2006·Granted Sep 28, 2010·3 cites·18 claims
- 1775US6544687B1Non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 8, 2003·12 cites·7 claims
- 1875US2022149385A1Positive electrode for secondary batteries, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1974US8192864B2Battery, examination method and manufacturing method for negative electrode thereof, and examination apparatus and manufacturing apparatus for negative electrode thereofTAKEZAWA HIDEHARU·Filed 2008·Granted Jun 5, 2012·2 cites·18 claims
- 2072US8148012B2Method for forming active material on a current collector of negative electrode using feedback process with measuring collectorTAKEZAWA HIDEHARU·Filed 2008·Granted Apr 3, 2012·2 cites·3 claims
- 2171US8734997B2Negative electrode for nonaqueous electrolyte secondary batterySHIBUTANI SATOSHI·Filed 2007·Granted May 27, 2014·2 cites·18 claims
- 2270US8568925B2Lithium secondary batteryYAMAMOTO TAISUKE·Filed 2011·Granted Oct 29, 2013·1 cites·12 claims
- 2369US8148018B2Method and apparatus of manufacturing negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery using the negative electrodeTAKEZAWA HIDEHARU·Filed 2007·Granted Apr 3, 2012·1 cites·12 claims
- 2469US7736808B2Non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2007·Granted Jun 15, 2010·1 cites·4 claims
- 2569US7425386B2Electrode group for battery and non-aqueous electrolyte secondary battery using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 16, 2008·8 cites·2 claims
- 2669US6682857B2Electrolyte for non-aqueous batteries and secondary battery using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 27, 2004·8 cites·6 claims
- 2769US2020152990A1Positive electrode for secondary batteries, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 2868US11677064B2Secondary batteryPANASONIC IP MAN CO LTD·Filed 2018·Granted Jun 13, 2023·0 cites·6 claims
- 2968US9093704B2Non-aqueous electrolyte secondary batteryYOKOYAMA TOMOHIKO·Filed 2008·Granted Jul 28, 2015·1 cites·7 claims
- 3068US7071653B2Method for charging a non-aqueous electrolyte secondary battery and charger thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 4, 2006·22 cites·14 claims
- 3167US8257869B2Electrode for electrochemical element and electrochemical element using the electrodeTAKEZAWA HIDEHARU·Filed 2008·Granted Sep 4, 2012·1 cites·11 claims
- 3267US7132199B2Non-aqueous electrolyte and non-aqueous electrolyte secondary batteryUBE INDUSTRIES·Filed 2001·Granted Nov 7, 2006·7 cites·12 claims
- 3366US2025015363A1Lithium ion secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 3465US8389163B2Lithium secondary battery containing organic peroxide in non-aqueous electrolyte, positive electrode, or negative electrodeTAKEZAWA HIDEHARU·Filed 2005·Granted Mar 5, 2013·1 cites·9 claims
- 3564US2024154162A1Lithium ion secondary batteryPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 3663US11437613B2Secondary battery positive electrode and secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·11 claims
- 3763US2023318049A1Lithium ion secondary batteryPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 3862US11742492B2Secondary battery positive electrode, secondary battery positive electrode current collector, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Aug 29, 2023·0 cites·11 claims
- 3961US11811053B2Positive electrode and secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Nov 7, 2023·0 cites·10 claims
- 4061US11145938B2Secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·14 claims
- 4158US11664503B2Secondary battery positive electrode, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted May 30, 2023·0 cites·10 claims
- 4258US11394030B2Secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Jul 19, 2022·0 cites·9 claims
- 4358US10276895B2Positive electrode grid for lead acid batteries and method for producing the same, and lead acid batteryPANASONIC IP MAN CO LTD·Filed 2015·Granted Apr 30, 2019·0 cites·4 claims
- 4457US11462773B2Secondary battery positive electrode and secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Oct 4, 2022·0 cites·5 claims
- 4557US8586233B2Portable electronic deviceTAKEZAWA HIDEHARU·Filed 2009·Granted Nov 19, 2013·0 cites·16 claims
- 4656US8951674B2Non-aqueous electrolyte secondary batteryNISHINO HAJIME·Filed 2006·Granted Feb 10, 2015·0 cites·13 claims
- 4756US2008187835A1Non-aqueous electrolyte secondary battery, examination method and manufacturing method for negative electrode thereof, and examination apparatus and manufacturing apparatus for negative electrode thereofTAKEZAWA HIDEHARU·Filed 2008·Application pending·0 cites
- 4856US2011020536A1Electrode for lithium secondary battery and method of manufacturing sameYAMAMOTO TAISUKE·Filed 2009·Application pending·0 cites
- 4955US11450852B2Positive electrode for secondary battery, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2019·Granted Sep 20, 2022·0 cites·12 claims
- 5055US8273136B2Electrochemical element, and method and apparatus for manufacturing electrode thereofTAKEZAWA HIDEHARU·Filed 2007·Granted Sep 25, 2012·0 cites·3 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →