Inventor · disambiguated record
Masahisa Fujimoto
Also filed as: FUJIMOTO MASAHISA
89 granted patents·58 pending applications·2,002 citations·filing 1986–2024
99Inventor score
Files withSANYO ELECTRIC CO73PANASONIC IP MAN CO LTD46INOUE TAKAO8SAITO MOTOHARU7TAKAHASHI YASUFUMI3
Top patents by PatentIndex Score
147 records- 0199US7235330B1Electrode for use in lithium battery and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Jun 26, 2007·172 cites·37 claims
- 0299US7192673B1Electrode for rechargeable lithium battery and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Mar 20, 2007·200 cites·23 claims
- 0398US7195842B1Electrode for use in lithium battery and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Mar 27, 2007·93 cites·34 claims
- 0498US6887511B1Method for preparing electrode material for lithium batterySANYO ELECTRIC CO·Filed 2000·Granted May 3, 2005·147 cites·19 claims
- 0598US6685804B1Method for fabricating electrode for rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Feb 3, 2004·145 cites·11 claims
- 0697US7410728B1Electrode for lithium batteries and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Aug 12, 2008·106 cites·22 claims
- 0797US7241533B1Electrode for rechargeable lithium battery and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Jul 10, 2007·96 cites·44 claims
- 0897US6040090APositive electrode material for use in non-aqueous electrolyte battery, process for preparing the same, and non-aqueous electrolyte batterySANYO ELECTRIC CO·Filed 1998·Granted Mar 21, 2000·136 cites·18 claims
- 0996US7794881B1Electrode for lithium batteries and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Sep 14, 2010·75 cites·36 claims
- 1094US6528212B1Lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Mar 4, 2003·56 cites·13 claims
- 1190US7695868B2Sodium ion secondary batterySANYO ELECTRIC CO·Filed 2007·Granted Apr 13, 2010·11 cites·4 claims
- 1290US4731311AElectrically conductive material and secondary battery using the electrically conductive materialSANYO ELECTRIC CO·Filed 1986·Granted Mar 15, 1988·67 cites·17 claims
- 1389US5352548ASecondary batterySANYO ELECTRIC CO·Filed 1993·Granted Oct 4, 1994·89 cites·7 claims
- 1488US7709151B2Non-aqueous electrolyte secondary battery, positive electrode active material and method of manufacturing the sameSANYO ELECTRIC CO·Filed 2008·Granted May 4, 2010·14 cites·3 claims
- 1586US6692870B2Electrode active material and lithium secondary batterySANYO ELECTRIC CO·Filed 2001·Granted Feb 17, 2004·30 cites·15 claims
- 1686US6319633B1Rechargeable lithium batterySANYO ELECTRIC CO·Filed 2000·Granted Nov 20, 2001·26 cites·13 claims
- 1785US7521152B2Non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2006·Granted Apr 21, 2009·6 cites·4 claims
- 1883US7838151B2Non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2006·Granted Nov 23, 2010·5 cites·8 claims
- 1983US6713214B2Positive electrode active material for secondary battery and secondary batterySANYO ELECTRIC CO·Filed 2001·Granted Mar 30, 2004·22 cites·29 claims
- 2080US8067118B2Nonaqueous electrolyte secondary battery and method of manufacturing the sameSAITO MOTOHARU·Filed 2007·Granted Nov 29, 2011·4 cites·10 claims
- 2180US7160646B2Electrode for lithium secondary battery and lithium secondary batterySANYO ELECTRIC CO·Filed 2002·Granted Jan 9, 2007·19 cites·22 claims
- 2280US7122279B2Electrode for rechargeable lithium battery and rechargeable lithium batterySANYO ELECTRIC CO·Filed 2001·Granted Oct 17, 2006·19 cites·37 claims
- 2379US6462936B1Solid electrolytic capacitorSANYO ELECTRIC CO·Filed 1999·Granted Oct 8, 2002·53 cites·4 claims
- 2477US8048564B2Nonaqueous electrolyte secondary battery and method of forming positive electrodeSANYO ELECTRIC CO·Filed 2008·Granted Nov 1, 2011·3 cites·6 claims
- 2577US6436572B1Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery having the negative electrodeSANYO ELECTRIC CO·Filed 2000·Granted Aug 20, 2002·15 cites·16 claims
- 2676US5468571ASecondary batterySANYO ELECTRIC CO·Filed 1995·Granted Nov 21, 1995·52 cites·4 claims
- 2775US9755237B2Negative-electrode active material for sodium-ion secondary battery, method for manufacturing said negative-electrode active material, and sodium-ion secondary batteryPANASONIC IP MAN CO LTD·Filed 2014·Granted Sep 5, 2017·1 cites·21 claims
- 2875US5686138ALithium secondary batterySANYO ELECTRIC CO·Filed 1994·Granted Nov 11, 1997·38 cites·41 claims
- 2973US8178243B2Non-aqueous electrolyte secondary battery and method of manufacturing the sameSAITO MOTOHARU·Filed 2006·Granted May 15, 2012·2 cites·5 claims
- 3072US12300784B2Lithium ion secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Granted May 13, 2025·0 cites·8 claims
- 3171US12431493B2Nonaqueous magnesium batteryPANASONIC IP MAN CO LTD·Filed 2021·Granted Sep 30, 2025·0 cites·8 claims
- 3271US9318740B2Non-aqueous electrolyte secondary batterySAITO MOTOHARU·Filed 2011·Granted Apr 19, 2016·1 cites·13 claims
- 3371US8815449B2Positive electrode and non-aqueous electrolyte secondary batteryINOUE TAKAO·Filed 2006·Granted Aug 26, 2014·2 cites·9 claims
- 3471US2024162486A1BatteryPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 3570US12362353B2Negative electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Jul 15, 2025·0 cites·2 claims
- 3670US12347855B2Negative electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Jul 1, 2025·0 cites·3 claims
- 3770US8715860B2Non-aqueous electrolyte batteryINOUE TAKAO·Filed 2005·Granted May 6, 2014·2 cites·12 claims
- 3870US2024030419A1Battery and method for manufacturing electrodePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 3970US2024145704A1Positive electrode material and batteryPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 4070US2024030418A1Battery and method for manufacturing electrodePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4169US6383684B1Lithium secondary battery comprising tungsten-containing oxide of monoclinic crystal structureSANYO ELECTRIC CO·Filed 2000·Granted May 7, 2002·8 cites·19 claims
- 4269US2024113292A1BatteryPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4369US2024105929A1BatteryPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4468US11901593B2Air battery and method for using the samePANASONIC IP MAN CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·10 claims
- 4568US6764791B2Rechargeable lithium batterySANYO ELECTRIC CO·Filed 2001·Granted Jul 20, 2004·7 cites·9 claims
- 4668US2023343998A1BatteryPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4767US11791498B2Lithium secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 17, 2023·0 cites·7 claims
- 4867US6979516B2Lithium secondary battery and positive electrode for lithium secondary batterySANYO ELECTRIC CO·Filed 2002·Granted Dec 27, 2005·7 cites·17 claims
- 4966US9728784B2Carbon material for power storage device electrode, method of producing the same and power storage device using the samePANASONIC IP MAN CO LTD·Filed 2014·Granted Aug 8, 2017·0 cites·10 claims
- 5066US6465131B1Lithium secondary cell with a stannous electrode materialSANYO ELECTRIC CO·Filed 2000·Granted Oct 15, 2002·6 cites·8 claims
Showing the top 50 of 147 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →