Inventor · disambiguated record
Yutaka Bannai
Also filed as: BANNAI YUTAKA
14 granted patents·10 pending applications·251 citations·filing 1998–2012
93Inventor score
Top patents by PatentIndex Score
24 records- 0195US6558438B1Method for producing a pressurized package for a film packed batteryNEC CORP·Filed 2000·Granted May 6, 2003·104 cites·15 claims
- 0289US7642011B2Secondary battery with a radical compound active materialNEC CORP·Filed 2005·Granted Jan 5, 2010·8 cites·6 claims
- 0384US7285359B2Secondary battery-use negative electrode and secondary battery using itNEC CORP·Filed 2003·Granted Oct 23, 2007·25 cites·9 claims
- 0483US6866964B2Secondary batteryNEC CORP·Filed 2001·Granted Mar 15, 2005·19 cites·33 claims
- 0582US6503656B1Method for production of batteryNEC CORP·Filed 2000·Granted Jan 7, 2003·22 cites·27 claims
- 0679US8034475B2Anode for secondary battery and secondary battery using the sameNEC CORP·Filed 2010·Granted Oct 11, 2011·2 cites·19 claims
- 0769US6235433B1High molecular gel electrolyte and secondary battery using the sameNEC CORP·Filed 1998·Granted May 22, 2001·41 cites·23 claims
- 0868US8435672B2Lithium ion secondary batteryBANNAI YUTAKA·Filed 2007·Granted May 7, 2013·2 cites·4 claims
- 0968US7462244B2Device and method for vacuum film formationNEC CORP·Filed 2002·Granted Dec 9, 2008·9 cites·5 claims
- 1063US7763387B2Negative electrode for secondary cell and secondary cell using the sameNEC CORP·Filed 2003·Granted Jul 27, 2010·4 cites·19 claims
- 1162US7118831B2Nonaqueous electrolyte cellNEC CORP·Filed 2003·Granted Oct 10, 2006·5 cites·8 claims
- 1262US2013078512A1Lithium secondary batteryNEC TOKIN CORP·Filed 2012·Application pending·0 cites
- 1361US7045248B2Secondary battery having radical compound electrodeNEC CORP·Filed 2001·Granted May 16, 2006·4 cites·10 claims
- 1456US2010173201A1Lithium secondary batteryNEC TOKIN CORP·Filed 2010·Application pending·0 cites
- 1556US2010173200A1Lithium secondary batteryNEC TOKIN CORP·Filed 2010·Application pending·0 cites
- 1654US2011318637A1Lithium secondary batteryNOGUCHI TAKEHIRO·Filed 2011·Application pending·0 cites
- 1752US2007172734A1Lithium secondary batteryNOGUCHI TAKEHIRO·Filed 2007·Application pending·0 cites
- 1846US6444359B1Liquid electrolyte solution including a halogenated and aliphatic polyolefin dissolved therein and secondary batteryNEC CORP·Filed 1999·Granted Sep 3, 2002·6 cites·6 claims
- 1943US2002001754A1Electrolyte solution and secondary batteryNEC CORP·Filed 2001·Application pending·0 cites
- 2042US2003129497A1Anode for a secondary batteryNEC CORP·Filed 2002·Application pending·0 cites
- 2141US6893775B2Battery having active material containing neutral carbon radical compoundNEC CORP·Filed 2001·Granted May 17, 2005·0 cites·11 claims
- 2241US2002076610A1High-energy density large-capacity stable battery having electrode layer containing cyclic conjugated carbonyl compound forming part of at least one electrodeFiled 2001·Application pending·0 cites
- 2341US2004258997A1Negative electrode for secondary cell,secondary cell, and method for producing negative electrode for secondary cellFiled 2003·Application pending·0 cites
- 2441US2005084759A1Lithium-ion secondary batteryFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →