Inventor · disambiguated record
Masayuki Iwama
Also filed as: IWAMA MASAYUKI
28 granted patents·15 pending applications·97 citations·filing 2006–2025
95Inventor score
Top patents by PatentIndex Score
43 records- 0195US10840555B2Nonaqueous electrolyte batteryIWAMA MASAYUKI·Filed 2011·Granted Nov 17, 2020·18 cites·5 claims
- 0292US8999583B2Lithium-ion secondary battery, anode for lithium-ion secondary battery, power tool, electric vehicle and energy storage systemHIROSE TAKAKAZU·Filed 2010·Granted Apr 7, 2015·14 cites·30 claims
- 0392US8173299B2Anode and batteryHIROSE TAKAKAZU·Filed 2011·Granted May 8, 2012·7 cites·11 claims
- 0492US7494743B2Anode and batterySONY CORP·Filed 2006·Granted Feb 24, 2009·13 cites·11 claims
- 0589US7943254B2Anode and batterySONY CORPORTION·Filed 2007·Granted May 17, 2011·8 cites·23 claims
- 0686US8383267B2Anode and secondary battery including the sameSONY CORP·Filed 2009·Granted Feb 26, 2013·6 cites·9 claims
- 0786US7476464B2Negative electrode and secondary cellSONY CORP·Filed 2007·Granted Jan 13, 2009·6 cites·16 claims
- 0885US8383272B2Anode current collector, anode, and secondary batterySONY CORP·Filed 2009·Granted Feb 26, 2013·5 cites·7 claims
- 0983US10044067B2Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatusMURATA MANUFACTURING CO·Filed 2015·Granted Aug 7, 2018·2 cites·14 claims
- 1082US9742039B2Current collector, negative electrode and batterySONY CORP·Filed 2017·Granted Aug 22, 2017·1 cites·16 claims
- 1181US8197969B2Anode and batteryHIROSE TAKAKAZU·Filed 2008·Granted Jun 12, 2012·4 cites·36 claims
- 1281US8097365B2Electrode current collector and method for inspecting the same, electrode for battery and method for producing the same, and secondary battery and method for producing the sameIWAMA MASAYUKI·Filed 2007·Granted Jan 17, 2012·7 cites·29 claims
- 1378US9806371B2Anode and batterySONY CORP·Filed 2015·Granted Oct 31, 2017·1 cites·20 claims
- 1477US2025125509A1Secondary battery and battery packMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1577US2025260129A1Secondary battery and battery packMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 1676US2025038370A1Secondary battery and battery packMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1776US2025015358A1BatteryMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1874US2024270395A1Secondary battery, battery pack, electronic equipment, electric tool, electric aircraft, and electric vehicleMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1974US2024282964A1Secondary battery, battery pack, electronic equipment, electric tool, electric aircraft, and electric vehicleMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 2073US8940441B2Anode and batteryHIROSE TAKAKAZU·Filed 2007·Granted Jan 27, 2015·2 cites·19 claims
- 2172US10476070B2Anode and batteryMURATA MANUFACTURING CO·Filed 2018·Granted Nov 12, 2019·0 cites·22 claims
- 2271US10141562B2Anode and batteryHIROSE TAKAKAZU·Filed 2007·Granted Nov 27, 2018·1 cites·42 claims
- 2371US8460827B2Rechargeable battery, anode, and current collectorIWAMA MASAYUKI·Filed 2010·Granted Jun 11, 2013·1 cites·13 claims
- 2469US7682742B2BatterySONY CORP·Filed 2006·Granted Mar 23, 2010·1 cites·6 claims
- 2567US2023024426A1Secondary batteryMURATA MANUFACTURING CO·Filed 2022·Application pending·0 cites
- 2665US9640830B2Current collector, negative electrode and batterySONY CORP·Filed 2016·Granted May 2, 2017·0 cites·11 claims
- 2764US10658697B2Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic deviceMURATA MANUFACTURING CO·Filed 2018·Granted May 19, 2020·0 cites·14 claims
- 2864US9698416B2Anode and secondary battery with anode material with pore group with low volumetric capacitySONY CORP·Filed 2015·Granted Jul 4, 2017·0 cites·20 claims
- 2960US2008305395A1Anode and secondary batterySONY CORP·Filed 2008·Application pending·0 cites
- 3059US12040480B2Secondary batteryMURATA MANUFACTURING CO·Filed 2021·Granted Jul 16, 2024·0 cites·18 claims
- 3159US9112238B2Anode and batteryHIROSE TAKAKAZU·Filed 2007·Granted Aug 18, 2015·0 cites·22 claims
- 3258US8932744B2Current collector, anode, and batteryHIROSE TAKAKAZU·Filed 2008·Granted Jan 13, 2015·0 cites·45 claims
- 3357US9350050B2Current collector, negative electrode and batteryKAWASE KENICHI·Filed 2007·Granted May 24, 2016·0 cites·6 claims
- 3456US9564640B2Electrode current collector and method for producing the same, electrode for battery and method for producing the same, and secondary batteryIWAMA MASAYUKI·Filed 2007·Granted Feb 7, 2017·0 cites·31 claims
- 3556US2010159337A1Anode and secondary batterySONY CORP·Filed 2009·Application pending·0 cites
- 3654US8889291B2Electrode and batteryIWAMA MASAYUKI·Filed 2007·Granted Nov 18, 2014·0 cites·32 claims
- 3754US7655359B2Secondary batterySONY CORP·Filed 2006·Granted Feb 2, 2010·0 cites·6 claims
- 3853US2014065450A1Secondary battery, method of manufacturing the same, battery pack, and electric vehicleSONY CORP·Filed 2013·Application pending·0 cites
- 3953US2009148778A1Anode, method of manufacturing it, and batterySONY CORP·Filed 2008·Application pending·0 cites
- 4052US2014295263A1Secondary batterySONY CORP·Filed 2014·Application pending·0 cites
- 4151US2008206651A1Anode, method of manufacturing it, and batterySONY CORP·Filed 2008·Application pending·0 cites
- 4247US2007111103A1Current collector, anode, and batteryKONISHIIKE ISAMU·Filed 2006·Application pending·0 cites
- 4341US2014114519A1Battery, positive electrode active material, positive electrode, method for manufacturing positive electrode active material, battery pack, electronic device, electric vehicle, power storage device, and power systemSONY CORP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →