Inventor · disambiguated record
Takehiko Sawai
Also filed as: SAWAI TAKEHIKO
20 granted patents·7 pending applications·24 citations·filing 2006–2024
91Inventor score
Top patents by PatentIndex Score
27 records- 0194US12068484B2Method of producing electrode material for lithium-ion secondary battery and lithium-ion battery using such electrode materialHYDRO QUEBEC·Filed 2022·Granted Aug 20, 2024·1 cites·11 claims
- 0293US8597835B2Positive-electrode material for a lithium ion secondary battery and manufacturing method of the sameKAWASAKI TAKASHI·Filed 2012·Granted Dec 3, 2013·10 cites·11 claims
- 0392US10090525B2Positive-electrode materials: methods for their preparation and use in lithium secondary batteriesHYDRO QUEBEC·Filed 2017·Granted Oct 2, 2018·3 cites·6 claims
- 0489US12368168B2Method of producing electrode material for lithium-ion secondary battery and lithium-ion battery using such electrode materialHYDRO QUEBEC·Filed 2024·Granted Jul 22, 2025·0 cites·11 claims
- 0583US9577253B2Positive-electrode materials: methods for their preparation and use in lithium secondary batteriesHYDRO QUEBEC·Filed 2012·Granted Feb 21, 2017·2 cites·14 claims
- 0681US10944107B2Methods for the preparation and use of positive electrode materials coated with carbon in lithium secondary batteriesHYDRO QUEBEC·Filed 2018·Granted Mar 9, 2021·1 cites·13 claims
- 0778US10050270B2Lithium-ion secondary battery and method of producing sameHYDRO QUEBEC·Filed 2013·Granted Aug 14, 2018·2 cites·27 claims
- 0877US11715828B2Positive-electrode materials: methods for their preparation and use in lithium secondary batteriesHYDRO QUEBEC·Filed 2020·Granted Aug 1, 2023·0 cites·6 claims
- 0975US10230089B2Electrolyte holder for lithium secondary battery and lithium secondary batterySAWAI TAKEHIKO·Filed 2012·Granted Mar 12, 2019·3 cites·5 claims
- 1071US10403893B2Positive electrode material for lithium secondary batteryHYDRO QUEBEC·Filed 2014·Granted Sep 3, 2019·1 cites·28 claims
- 1169US2019288280A1Composite particles, method for producing same, electrode material for secondary batteries, and secondary batteryDENKA COMPANY LTD·Filed 2019·Application pending·0 cites
- 1268US9413003B2Electrode material for lithium secondary battery and lithium secondary batterySAWAI TAKEHIKO·Filed 2011·Granted Aug 9, 2016·1 cites·22 claims
- 1367US2021280922A1Lithium secondary batterySEI CORP·Filed 2021·Application pending·0 cites
- 1464US11545668B2Method of producing electrode material for lithium-ion secondary battery and lithium-ion battery using such electrode materialHYDRO QUEBEC·Filed 2013·Granted Jan 3, 2023·0 cites·21 claims
- 1559USRE49319ELithium-ion secondary battery and method of producing sameHYDRO QUEBEC·Filed 2013·Granted Nov 29, 2022·0 cites·27 claims
- 1657US2014342231A1Composite particles, method for producing same, electrode material for secondary batteries, and secondary batteryDENKI KAGAKU KOGYO KK·Filed 2012·Application pending·0 cites
- 1754US9496583B2Lithium secondary battery, method for producing power collection foil for same, and power collection foil for sameSAWAI TAKEHIKO·Filed 2010·Granted Nov 15, 2016·0 cites·5 claims
- 1852US2017214098A1Lithium secondary batterySEI CORP·Filed 2015·Application pending·0 cites
- 1951US9537150B2Electrode for secondary battery and production process for the same and secondary batteryYANO TSUYOSHI·Filed 2008·Granted Jan 3, 2017·0 cites·14 claims
- 2047US10873073B2Composite particles, manufacturing method thereof, electrode material for secondary battery, and secondary batteryDENKA COMPANY LTD·Filed 2012·Granted Dec 22, 2020·0 cites·9 claims
- 2147US9660269B2Electrode for lithium secondary battery and lithium secondary batterySEI CORP·Filed 2013·Granted May 23, 2017·0 cites·4 claims
- 2246US9257239B2Binder composition for electrodeDENKI KAGAKU KOGYO KK·Filed 2012·Granted Feb 9, 2016·0 cites·8 claims
- 2341US2009278082A1Cathode active material and process for producing the sameTOYO TANSO CO·Filed 2006·Application pending·0 cites
- 2439US10879567B2Lithium secondary battery, method for producing power collection foil for same, and power collection foil for sameSEI CORP·Filed 2016·Granted Dec 29, 2020·0 cites·5 claims
- 2539US8057935B2Lithium ion rechargeable batteryTAKEBAYASHI HITOSHI·Filed 2006·Granted Nov 15, 2011·0 cites·7 claims
- 2635US2017324089A9Electrode material, method for producing the same, and lithium batterySEI CORP·Filed 2016·Application pending·0 cites
- 2734US2019362906A1Electrochemical deviceSEI CORP·Filed 2017·Application pending·0 cites
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