Inventor · disambiguated record
Masaki Yamakaji
Also filed as: YAMAKAJI MASAKI
39 granted patents·25 pending applications·136 citations·filing 2011–2025
97Inventor score
Files withSEMICONDUCTOR ENERGY LAB51YAMAKAJI MASAKI4KAWAKAMI TAKAHIRO3GS YUASA INT LTD2CO LTD SEMICONDUCTOR ENERGY LAB1
Top patents by PatentIndex Score
64 records- 0198US9843073B2Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 12, 2017·16 cites·20 claims
- 0296US9385366B2Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jul 5, 2016·18 cites·18 claims
- 0396US9293770B2Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 22, 2016·13 cites·14 claims
- 0496US8669009B2Positive electrode active material of power storage device, positive electrode of power storage device, power storage device, manufacturing method of positive electrode active material of power storage deviceYAMAKAJI MASAKI·Filed 2011·Granted Mar 11, 2014·26 cites·18 claims
- 0595US8597830B2Power storage deviceKAWAKAMI TAKAHIRO·Filed 2011·Granted Dec 3, 2013·24 cites·10 claims
- 0694US2025118802A1Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 0792US10381646B2Secondary battery, graphene oxide, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Aug 13, 2019·3 cites·15 claims
- 0891US12176485B2Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Dec 24, 2024·0 cites·14 claims
- 0990US9373834B2Method for forming positive electrode for lithium-ion secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Jun 21, 2016·7 cites·24 claims
- 1089US10608290B2Flexible battery and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Mar 31, 2020·2 cites·9 claims
- 1189US9899678B2Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Feb 20, 2018·5 cites·8 claims
- 1289US2024038966A1Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 1388US11670807B2Flexible battery and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Jun 6, 2023·1 cites·3 claims
- 1487US11121405B2Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Sep 14, 2021·1 cites·7 claims
- 1587US9490474B2Method for manufacturing positive electrode active material for energy storage device and energy storage deviceNOMOTO KUNIHARU·Filed 2011·Granted Nov 8, 2016·7 cites·14 claims
- 1686US10938035B2Manufacturing method of electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Mar 2, 2021·1 cites·13 claims
- 1785US9768443B2Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Sep 19, 2017·2 cites·20 claims
- 1884US11515517B2Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Nov 29, 2022·1 cites·18 claims
- 1984US10886572B2Flexible battery and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Jan 5, 2021·1 cites·2 claims
- 2084US2024347696A1Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 2184US2023327207A1Storage Battery, Battery Control Unit, and Electronic DeviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 2283US2025253344A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2025·Application pending·0 cites
- 2383US2025246633A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2025·Application pending·0 cites
- 2483US2025253345A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2025·Application pending·0 cites
- 2582US10658701B2Storage battery, battery control unit, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted May 19, 2020·1 cites·20 claims
- 2681US2020144622A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Application pending·0 cites
- 2780US11888113B2Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Jan 30, 2024·0 cites·14 claims
- 2880US11108038B2Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Aug 31, 2021·1 cites·22 claims
- 2979US12027702B2Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storageSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Jul 2, 2024·0 cites·10 claims
- 3078US11962013B2Positive electrode for secondary battery and manufacturing method of positive electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Apr 16, 2024·0 cites·14 claims
- 3178US2023041532A1Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2022·Application pending·0 cites
- 3277US11437622B2Secondary battery, graphene oxide, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Sep 6, 2022·0 cites·16 claims
- 3377US10403879B2Electrolytic solution, secondary battery, electronic device, and method of manufacturing electrodeSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Sep 3, 2019·1 cites·22 claims
- 3476US10944110B2Secondary battery, graphene oxide, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Mar 9, 2021·0 cites·19 claims
- 3576US10272594B2Method for manufacturing positive electrode active material for power storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Apr 30, 2019·1 cites·21 claims
- 3676US2022115668A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Application pending·0 cites
- 3776US2022059824A1Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2021·Application pending·0 cites
- 3876US2024356027A1Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storageSEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 3976US2019067701A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Application pending·0 cites
- 4075US11495826B2Graphene compound and manufacturing method thereof, electrolyte, and power storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Nov 8, 2022·0 cites·13 claims
- 4172US9318741B2Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage deviceKAWAKAMI TAKAHIRO·Filed 2011·Granted Apr 19, 2016·3 cites·11 claims
- 4272US2020358102A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Application pending·0 cites
- 4372US2020373581A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Application pending·0 cites
- 4470US10916774B2Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storageSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Feb 9, 2021·0 cites·10 claims
- 4570US8715525B2Manufacturing method of electrode materialYAMAKAJI MASAKI·Filed 2011·Granted May 6, 2014·1 cites·15 claims
- 4669US2017324082A1Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Application pending·0 cites
- 4769US2016204440A1Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Application pending·0 cites
- 4867US10164243B2Method for manufacturing positive electrode active material for energy storage device and energy storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Dec 25, 2018·0 cites·14 claims
- 4967US2020280101A1Storage battery, battery control unit, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Application pending·0 cites
- 5065US10256467B2Electrode material and method for forming electrode materialSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Apr 9, 2019·0 cites·19 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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