Inventor · disambiguated record
Takefumi Ito
Also filed as: ITO TAKEFUMI
13 granted patents·7 pending applications·90 citations·filing 2001–2021
88Inventor score
Top patents by PatentIndex Score
20 records- 0192US7670719B2Cell stack for redox flow battery, and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Mar 2, 2010·21 cites·9 claims
- 0291US7220515B2Pressure fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary batteryKANSAI ELECTRIC POWER CO·Filed 2001·Granted May 22, 2007·50 cites·11 claims
- 0380US10790530B2Cell frame and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Sep 29, 2020·1 cites·15 claims
- 0475US10593964B2Bipolar plate, cell frame, cell stack and redox-flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Mar 17, 2020·1 cites·8 claims
- 0564US10211467B2Cell frame for redox flow battery, cell stack for redox flow battery, and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Feb 19, 2019·0 cites·6 claims
- 0660USD756912SRedox flow battery cell stackSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted May 24, 2016·9 cites·1 claims
- 0760US2023268533A1Redox flow battery system and method for operating redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 0859US10193178B2Redox flow battery frame body, redox flow battery, and cell stackSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jan 29, 2019·0 cites·7 claims
- 0957US10749202B2Redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Aug 18, 2020·0 cites·9 claims
- 1057US9017869B2Cell stack for redox flow batteryNAKAISHI HIROYUKI·Filed 2002·Granted Apr 28, 2015·5 cites·9 claims
- 1150US10230123B2Battery cell and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 12, 2019·0 cites·5 claims
- 1248US10818939B2Redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Oct 27, 2020·0 cites·8 claims
- 1344USD795180SRedox flow battery cell stackSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Aug 22, 2017·3 cites·1 claims
- 1444US2019245238A1Cell frame, battery cell, cell stack, and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 1544US2004170893A1Cell frame for redox flow cell and redox flow cellFiled 2002·Application pending·0 cites
- 1642US2018277858A1Bipolar plate, cell frame, cell stack, and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Application pending·0 cites
- 1740US10566644B2Battery cell and redox flow batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 18, 2020·0 cites·7 claims
- 1840US2004202915A1Cell frame for redox-flow cell and redox-flow cellFiled 2002·Application pending·0 cites
- 1938US2017352894A1Electrolyte-circulating batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 2038US2019027770A1Redox flow battery, electrode for redox flow battery, and electrode characteristic evaluation methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →