Inventor · disambiguated record
Ryuichi Natsui
Also filed as: NATSUI RYUICHI
49 granted patents·16 pending applications·88 citations·filing 2010–2022
97Inventor score
Top patents by PatentIndex Score
65 records- 0195US10886529B2Positive electrode active material containing lithium composite oxide and covering material and batteryPANASONIC IP MAN CO LTD·Filed 2018·Granted Jan 5, 2021·7 cites·22 claims
- 0295US10833315B2BatteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 10, 2020·7 cites·13 claims
- 0395US10818912B2BatteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 27, 2020·7 cites·10 claims
- 0495US10818910B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 27, 2020·5 cites·13 claims
- 0595US10811672B2BatteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 20, 2020·6 cites·16 claims
- 0695US10811671B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 20, 2020·5 cites·7 claims
- 0795US10651462B2Positive electrode active material containing lithium composite oxide and covering material, and battery including positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2018·Granted May 12, 2020·5 cites·18 claims
- 0894US10833322B2Positive electrode active material containing lithium composite oxide and lithium composite oxyfluoride, and battery including positive electrode containing positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 10, 2020·5 cites·12 claims
- 0994US10818911B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 27, 2020·4 cites·6 claims
- 1094US10497928B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Dec 3, 2019·5 cites·7 claims
- 1193US11201319B2Positive electrode active material containing lithium composite oxide and covering material, and battery including positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2018·Granted Dec 14, 2021·4 cites·17 claims
- 1290US12512459B2Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2021·Granted Dec 30, 2025·1 cites·10 claims
- 1390US10833316B2BatteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 10, 2020·3 cites·15 claims
- 1490US10586981B2Positive electrode for a battery and battery including positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2017·Granted Mar 10, 2020·3 cites·12 claims
- 1589US11081687B2Positive-electrode active material and battery including positive-electrode active materialPANASONIC IP MAN CO LTD·Filed 2019·Granted Aug 3, 2021·2 cites·11 claims
- 1689US10811673B2BatteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 20, 2020·2 cites·6 claims
- 1788US11605814B2Positive-electrode active material containing lithium composite oxide, and battery including the samePANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 14, 2023·2 cites·20 claims
- 1888US11043661B2Positive electrode active material containing lithium composite oxyfluoride and organosilicon compound, and battery including positive electrode containing the positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2017·Granted Jun 22, 2021·2 cites·17 claims
- 1987US10854876B2Positive electrode active material and battery using positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2019·Granted Dec 1, 2020·2 cites·14 claims
- 2087US10833317B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 10, 2020·2 cites·18 claims
- 2186US11233237B2Positive electrode active material containing lithium composite oxide and battery including the samePANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 25, 2022·2 cites·15 claims
- 2285US10840499B2Positive electrode active material and battery using positive electrode active materialPANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 17, 2020·2 cites·13 claims
- 2383US11271200B2Positive-electrode active material containing lithium composite oxide, and battery including the samePANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 8, 2022·1 cites·25 claims
- 2481US11171327B2Positive electrode active material containing lithium composite oxide and covering material and batteryPANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 9, 2021·1 cites·21 claims
- 2578US9979012B2Lithium ion secondary battery and method for manufacturing the samePANASONIC CORP·Filed 2014·Granted May 22, 2018·2 cites·19 claims
- 2675US11569492B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Jan 31, 2023·0 cites·18 claims
- 2775US9893356B2Cathode active material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method of producing cathode active material for nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2015·Granted Feb 13, 2018·1 cites·7 claims
- 2874US11710816B2BatteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Jul 25, 2023·0 cites·14 claims
- 2974US11637277B2Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 25, 2023·0 cites·12 claims
- 3073US11588143B2BatteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 3172US11799067B2BatteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 24, 2023·0 cites·14 claims
- 3271US2021083274A1Positive electrode active material containing lithium composite oxide and covering material and batteryPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 3370US11721800B2BatteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 8, 2023·0 cites·10 claims
- 3468US12322798B2Positive electrode active material for secondary battery, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Jun 3, 2025·0 cites·2 claims
- 3567US2020411850A1BatteryPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 3667US2021005883A1Positive-electrode active material and batteryPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 3764US11923529B2Positive electrode active material and battery including samePANASONIC IP MAN CO LTD·Filed 2021·Granted Mar 5, 2024·0 cites·19 claims
- 3864US11637287B2Positive electrode material and battery using samePANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 25, 2023·0 cites·7 claims
- 3964US11545657B2Cathode active material including lithium composite oxide having a layered crystal structurePANASONIC IP MAN CO LTD·Filed 2020·Granted Jan 3, 2023·0 cites·17 claims
- 4064US2025006895A1Electrode for secondary batteries, method for producing electrode for secondary batteries, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 4163US9786949B2Composite metal oxide, method for producing composite metal oxide, and sodium secondary batteryPANASONIC IP MAN CO LTD·Filed 2013·Granted Oct 10, 2017·0 cites·4 claims
- 4263US2024304803A1Positive electrode active material for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 4363US2024072252A1Positive electrode for secondary battery, and secondary batteryPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 4462US11955622B2Positive electrode active material and battery comprising the samePANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 9, 2024·0 cites·5 claims
- 4562US2024021813A1Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 4661US12347858B2Positive electrode active material and battery including the samePANASONIC IP MAN CO LTD·Filed 2021·Granted Jul 1, 2025·0 cites·23 claims
- 4761US12080872B2Positive electrode active material and battery comprising the samePANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 3, 2024·0 cites·27 claims
- 4861US12057564B2Positive electrode active material and battery including the samePANASONIC IP MAN CO LTD·Filed 2021·Granted Aug 6, 2024·0 cites·24 claims
- 4961US11955630B2Positive electrode active material and battery including the samePANASONIC IP MAN CO LTD·Filed 2021·Granted Apr 9, 2024·0 cites·19 claims
- 5061US11557760B2Positive-electrode active material containing lithium composite oxide, and battery including the samePANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 17, 2023·0 cites·24 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →