Inventor · disambiguated record
Masatoshi Nagayama
Also filed as: NAGAYAMA MASATOSHI
35 granted patents·16 pending applications·407 citations·filing 1996–2024
97Inventor score
Files withPANASONIC CORP16MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11OHZUKU TSUTOMU4NAGAYAMA MASATOSHI3PANASONIC IP MAN CO LTD3
Top patents by PatentIndex Score
51 records- 0198US6551744B1Positive electrode active material and non-aqueous electrolyte secondary battery containing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 22, 2003·106 cites·17 claims
- 0296US7541114B2Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2003·Granted Jun 2, 2009·81 cites·24 claims
- 0395US7951482B2Non-aqueous electrolyte secondary battery and battery modulePANASONIC CORP·Filed 2006·Granted May 31, 2011·26 cites·11 claims
- 0490US6576373B1Non-aqueous electrochemical apparatus and electrolyte thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 10, 2003·39 cites·9 claims
- 0589US7579114B2Method of preparing positive electrode active materialPANASONIC CORP·Filed 2006·Granted Aug 25, 2009·8 cites·8 claims
- 0685US11502530B2Battery management device, battery system, and vehicle power supply system for managing battery state of charge level when in non-use statePANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 15, 2022·5 cites·16 claims
- 0785US8153297B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the sameOHZUKU TSUTOMU·Filed 2007·Granted Apr 10, 2012·5 cites·13 claims
- 0884US7718318B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the samePANASONIC CORP·Filed 2008·Granted May 18, 2010·4 cites·12 claims
- 0983US7767348B2Non-aqueous electrolyte secondary battery and battery pack using the samePANASONIC CORP·Filed 2006·Granted Aug 3, 2010·5 cites·15 claims
- 1081US12153096B2Remaining capability evaluation method for secondary battery, remaining capability evaluation program for secondary battery, computation device, and remaining capability evaluation systemPANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 26, 2024·3 cites·12 claims
- 1181US7682747B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the samePANASONIC CORP·Filed 2007·Granted Mar 23, 2010·3 cites·5 claims
- 1280US9391325B2Positive electrode active material, production method thereof and non-aqueous electrolyte secondary batteryOHZUKU TSUTOMU·Filed 2006·Granted Jul 12, 2016·4 cites·14 claims
- 1380US8343666B2Nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2006·Granted Jan 1, 2013·4 cites·2 claims
- 1478US7985495B2Assembled battery, power-supply system and production method of assembled batteryPANASONIC CORP·Filed 2007·Granted Jul 26, 2011·3 cites·9 claims
- 1576US7935443B2Lithium nickel-manganese-cobalt oxide positive electrode active materialPANASONIC CORP·Filed 2002·Granted May 3, 2011·13 cites·4 claims
- 1676US2025035709A1Remaining capability evaluation method for secondary battery, remaining capability evaluation program for secondary battery, computation device, and remaining capability evaluation systemPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 1772US7255963B2Non-aqueous electrolyte rechargeable batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 14, 2007·10 cites·4 claims
- 1871US8349287B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the samePANASONIC CORP·Filed 2007·Granted Jan 8, 2013·1 cites·2 claims
- 1971US7122278B1Non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 17, 2006·10 cites·5 claims
- 2070US7438994B2Non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 21, 2008·2 cites·7 claims
- 2168US8012614B2Non-aqueous electrolyte battery, and power supply unitPANASONIC CORP·Filed 2007·Granted Sep 6, 2011·1 cites·4 claims
- 2267US8076023B2Non-aqueous electrolyte secondary battery and battery moduleICHINOSE HIROAKI·Filed 2011·Granted Dec 13, 2011·1 cites·10 claims
- 2366US7592100B2Positive-electrode active material and nonaqueous-electrolyte secondary battery containing the samePANASONIC CORP·Filed 2001·Granted Sep 22, 2009·5 cites·14 claims
- 2464US7157186B2Method of producing positive electrode active material for non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 2, 2007·5 cites·3 claims
- 2563US7150940B2Lithium ion secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 19, 2006·6 cites·5 claims
- 2661US6991752B2Positive electrode active material for non-aqueous electrolyte secondary cell and cell using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 31, 2006·4 cites·8 claims
- 2761US6383683B1Process for producing spinel type lithium manganateMITSUI MINING AND SMELTING COM·Filed 1999·Granted May 7, 2002·31 cites·10 claims
- 2858US7422824B2Active material of positive electrode for nonaqueous electrolyte secondary battery and process for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 9, 2008·3 cites·9 claims
- 2956US10396326B2Battery blockSANYO ELECTRIC CO·Filed 2014·Granted Aug 27, 2019·0 cites·4 claims
- 3056US8658125B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the sameOHZUKU TSUTOMU·Filed 2002·Granted Feb 25, 2014·2 cites·7 claims
- 3156US8241790B2Positive electrode active material and non-aqueous electrolyte secondary battery containing the sameOHZUKU TSUTOMU·Filed 2003·Granted Aug 14, 2012·2 cites·13 claims
- 3253US7670723B2Positive electrode active material, production method thereof and non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2002·Granted Mar 2, 2010·1 cites·4 claims
- 3351US2015270590A1Battery moduleSANYO ELECTRIC CO·Filed 2013·Application pending·0 cites
- 3451US2015288039A1Battery moduleSANYO ELECTRIC CO·Filed 2013·Application pending·0 cites
- 3548US2007184337A1Battery operated deviceNAGAYAMA MASATOSHI·Filed 2007·Application pending·0 cites
- 3647US2006159984A1Non-aqueous electolyte battery packNAGAYAMA MASATOSHI·Filed 2006·Application pending·0 cites
- 3747US2009239150A1Positive electrode active material for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2007·Application pending·0 cites
- 3847US2009233177A1Nonaqueous electrolyte secondary batteryFUJITA HIDEAKI·Filed 2007·Application pending·0 cites
- 3947US2013011719A1Battery module and battery assembly used thereinPANASONIC CORP·Filed 2012·Application pending·0 cites
- 4047US2009181305A1Non-Aqueous Electrolyte Secondary BatteryNAGAYAMA MASATOSHI·Filed 2006·Application pending·0 cites
- 4146US7381497B2Positive electrode active material for non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 3, 2008·0 cites·4 claims
- 4246US2013136969A1Battery module and battery assembly used in battery moduleYASUI SHUNSUKE·Filed 2011·Application pending·0 cites
- 4346US2012282503A1Electric deviceFUJIKAWA MASATO·Filed 2011·Application pending·0 cites
- 4444US7816036B2Positive electrode active material and non-aqueous electrolyte secondary cell comprising the samePANASONIC CORP·Filed 2002·Granted Oct 19, 2010·0 cites·17 claims
- 4544US2006251963A1Non-aqueous electrolyte secondary batteryNAKASHIMA TAKUYA·Filed 2006·Application pending·0 cites
- 4643US9088035B2Nonaqueous electrolyte secondary battery and charge/discharge system thereofWATANABE SHOICHIRO·Filed 2004·Granted Jul 21, 2015·0 cites·8 claims
- 4742US2012135296A1Battery moduleITOI TOSHIKI·Filed 2011·Application pending·0 cites
- 4841US5770173AMethod of producing cathode active material for non-aqueous electrolyte secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 23, 1998·14 cites·8 claims
- 4940US2013011710A1Battery packNAITO KEISUKE·Filed 2011·Application pending·0 cites
- 5036US2012308875A1Battery moduleGESHI SHINYA·Filed 2011·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →