Inventor · disambiguated record
Yumiko Takizawa
Also filed as: TAKIZAWA YUMIKO
4 granted patents·10 pending applications·130 citations·filing 1992–2012
70Inventor score
Top patents by PatentIndex Score
14 records- 0191US5631100ASecondary batteryASAHI CHEMICAL IND·Filed 1992·Granted May 20, 1997·128 cites·17 claims
- 0272US7749640B2Fuel CellTOSHIBA KK·Filed 2007·Granted Jul 6, 2010·2 cites·20 claims
- 0357US7638223B2Fuel cellTOSHIBA KK·Filed 2007·Granted Dec 29, 2009·0 cites·20 claims
- 0456US2007059575A1Fuel cellTOSHIBA KK·Filed 2006·Application pending·0 cites
- 0556US2011223497A1Fuel cellTOSHIBA KK·Filed 2011·Application pending·0 cites
- 0654US2010104907A1Electronic deviceAOKI RISA·Filed 2009·Application pending·0 cites
- 0749US2013183607A1Methanol fuel cell cartridgeTOYO SEIKAN KAISHA LTD·Filed 2012·Application pending·0 cites
- 0848US2009269653A1Fuel cellTOSHIBA KK·Filed 2006·Application pending·0 cites
- 0946US2008014491A1Fuel cellYAJIMA AKIRA·Filed 2007·Application pending·0 cites
- 1045US2010062315A1Methanol fuel cell cartridgeTOYO SEIKAN KAISHA LTD·Filed 2006·Application pending·0 cites
- 1144US2009042090A1Fuel cellNEGISHI NOBUYASU·Filed 2006·Application pending·0 cites
- 1241US2009098429A1Fuel cartridge for fuel cell, and fuel cellTAKIZAWA YUMIKO·Filed 2008·Application pending·0 cites
- 1335US8197560B2Fuel for fuel cell, fuel cartridge for fuel cell and fuel cellTAKIZAWA YUMIKO·Filed 2006·Granted Jun 12, 2012·0 cites·5 claims
- 1433US2010291469A1Fuel cellTAKIZAWA YUMIKO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →