Inventor · disambiguated record
Taku Kagawa
Also filed as: KAGAWA TAKU
4 granted patents·3 pending applications·0 citations·filing 2013–2015
52Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP7
Top patents by PatentIndex Score
7 records- 0152US10074857B2Titanium or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and manufacturing method thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Sep 11, 2018·0 cites·15 claims
- 0250US2015325864A1Titanium or titanium alloy for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and fuel cellNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 0348US9947942B2Titanium material or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and fuel cellNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Apr 17, 2018·0 cites·7 claims
- 0445US10305119B2Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted May 28, 2019·0 cites·6 claims
- 0544US10033052B2Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jul 24, 2018·0 cites·3 claims
- 0640US2016336600A1Composite metal foil for fuel cell separator, fuel cell separator, fuel cell, and method for producing composite metal foil for fuel cell separatorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 0735US2017077527A1Titanium material for separator of solid polymer fuel cell, separator using same, and solid polymer fuel cell comprising sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Taku Kagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →