Inventor · disambiguated record
Tatsuji Numata
Also filed as: NUMATA TATSUJI
21 granted patents·15 pending applications·180 citations·filing 1999–2015
94Inventor score
Top patents by PatentIndex Score
36 records- 0193US9768476B2System and method for detecting a state of a lithium secondary battery by measuring a voltage of a negative electrode with respect to a reference electrodeIRIYAMA JIRO·Filed 2015·Granted Sep 19, 2017·6 cites·23 claims
- 0291US7026070B2Positive electrode active material, positive electrode and non-aqueous electrolyte secondary battery using thereofNEC CORP·Filed 2002·Granted Apr 11, 2006·43 cites·14 claims
- 0390US9018916B2Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary batteryIRIYAMA JIRO·Filed 2011·Granted Apr 28, 2015·7 cites·20 claims
- 0488US7335444B2Positive electrode active material for a secondary battery, secondary battery and process of manufacturing positive electrode active material for a secondary batteryNEC CORP·Filed 2005·Granted Feb 26, 2008·20 cites·11 claims
- 0578US6682850B1Nonaqueous electrolyte solution secondary battery using lithium-manganese composite oxide for positive electrodeNEC CORP·Filed 1999·Granted Jan 27, 2004·59 cites·8 claims
- 0672US7011907B2Secondary battery cathode active material, secondary battery cathode and secondary battery using the sameNEC CORP·Filed 2002·Granted Mar 14, 2006·10 cites·14 claims
- 0772US6436574B1Nonaqueous electrolyte secondary batteryNEC CORP·Filed 2000·Granted Aug 20, 2002·12 cites·3 claims
- 0870US7179566B2Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cellNEC CORP·Filed 2003·Granted Feb 20, 2007·9 cites·15 claims
- 0969US9076995B2Secondary batterySERIZAWA SHIN·Filed 2012·Granted Jul 7, 2015·1 cites·20 claims
- 1068US8435672B2Lithium ion secondary batteryBANNAI YUTAKA·Filed 2007·Granted May 7, 2013·2 cites·4 claims
- 1162US9263741B2Negative electrode for nanaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery using the same, and method for manufacturing negative electrode for nonaqueous electrolyte secondary batteryIRIYAMA JIRO·Filed 2009·Granted Feb 16, 2016·0 cites·13 claims
- 1262US2013078512A1Lithium secondary batteryNEC TOKIN CORP·Filed 2012·Application pending·0 cites
- 1360US6686092B2Nonaqueous electrolyte type secondary battery with a film casingNEC CORP·Filed 2000·Granted Feb 3, 2004·4 cites·4 claims
- 1459US10374219B2Lithium ion secondary batteryKASAHARA RYUICHI·Filed 2012·Granted Aug 6, 2019·2 cites·10 claims
- 1558US9325010B2Negative electrode active material for lithium secondary cell, lithium secondary cell employing the same, and method for producing the sameIRIYAMA JIRO·Filed 2012·Granted Apr 26, 2016·0 cites·10 claims
- 1657US8227116B2Secondary batteryKAWASAKI DAISUKE·Filed 2004·Granted Jul 24, 2012·3 cites·19 claims
- 1756US2010173201A1Lithium secondary batteryNEC TOKIN CORP·Filed 2010·Application pending·0 cites
- 1856US2010173200A1Lithium secondary batteryNEC TOKIN CORP·Filed 2010·Application pending·0 cites
- 1955US10181619B2Method of manufacturing nonaqueous electrolyte secondary batteryAUTOMOTIVE ENERGY SUPPLY CORP·Filed 2014·Granted Jan 15, 2019·0 cites·12 claims
- 2055US7556889B2Positive electrode active material for secondary battery, positive electrode for secondary battery, secondary battery and method for producing positive electrode active material for secondary batteryNEC CORP·Filed 2004·Granted Jul 7, 2009·2 cites·9 claims
- 2154US2011318637A1Lithium secondary batteryNOGUCHI TAKEHIRO·Filed 2011·Application pending·0 cites
- 2253US10026953B2Mixed electrode for nonaqueous electrolyte battery, and manufacturing method for the sameAUTOMOTIVE ENERGY SUPPLY CORP·Filed 2013·Granted Jul 17, 2018·0 cites·5 claims
- 2353US9123928B2Method for doping and dedoping lithium into and from negative electrode and method for producing negative electrode for lithium secondary batteryIRIYAMA JIRO·Filed 2012·Granted Sep 1, 2015·0 cites·18 claims
- 2452US2007172734A1Lithium secondary batteryNOGUCHI TAKEHIRO·Filed 2007·Application pending·0 cites
- 2546US8956762B2Lithium ion secondary battery and method for manufacturing the sameKASAHARA RYUICHI·Filed 2011·Granted Feb 17, 2015·0 cites·19 claims
- 2645US2013244086A1Negative electrode for secondary battery and method for manufacturing the same, and nonaqueous electrolyte secondary batteryIRIYAMA JIRO·Filed 2011·Application pending·0 cites
- 2744US9312534B2Nonaqueous electrolytic solution secondary battery, and positive electrode and negative electrode used in the sameNUMATA TATSUJI·Filed 2011·Granted Apr 12, 2016·0 cites·24 claims
- 2843US2005123834A1Secondary batteryNEC CORP·Filed 2003·Application pending·0 cites
- 2941US2011274966A1Nonaqueous electrolytic solution secondary battery and method for producing the sameNEC ENERGY DEVICES LTD·Filed 2010·Application pending·0 cites
- 3040US2004072071A1Secondary cellFiled 2002·Application pending·0 cites
- 3140US2014045069A1Lithium secondary cellNUMATA TATSUJI·Filed 2012·Application pending·0 cites
- 3239US2003082453A1Secondary battery positive electrode and secondary battery using the sameFiled 2002·Application pending·0 cites
- 3339US2013101899A1Nonaqueous electrolyte secondary batteryKAJITA TETSUYA·Filed 2011·Application pending·0 cites
- 3438US2013280594A1Nonaqueous electrolyte secondary batteryKAJITA TETSUYA·Filed 2011·Application pending·0 cites
- 3538US2012321962A1Polymer secondary battery and method for manufacturing the sameKAJITA TETSUYA·Filed 2011·Application pending·0 cites
- 3634US2003091900A1Lithium manganese compound oxide and non-aqueous electrolyte secondary batteryFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →