Inventor · disambiguated record
Norifumi Hasegawa
Also filed as: HASEGAWA NORIFUMI
5 granted patents·3 pending applications·29 citations·filing 1993–2022
73Inventor score
Top patents by PatentIndex Score
8 records- 0172US5423967AGaseous-diffusion electrode and electrochemical reactor using the sameTECHNOVA INC·Filed 1993·Granted Jun 13, 1995·23 cites·19 claims
- 0263US7776477B2Fuel cell with novel reaction layerKABUSHIKIKAISHA EQOUS RES·Filed 2005·Granted Aug 17, 2010·2 cites·19 claims
- 0357US7160837B2Mixed conductor and mixed conductor producing methodEQUOS RESEARCH KK·Filed 2003·Granted Jan 9, 2007·4 cites·29 claims
- 0456US2024088452A1Catalytic solution for halide ion batteryAISIN CORP·Filed 2022·Application pending·0 cites
- 0542US8318383B2Fuel cell reaction layerHASEGAWA NORIFUMI·Filed 2006·Granted Nov 27, 2012·0 cites·8 claims
- 0642US7479241B2Mixed conductorEQUOS RESEARCH KK·Filed 2004·Granted Jan 20, 2009·0 cites·25 claims
- 0736US2005020716A1Combining methodFiled 2004·Application pending·0 cites
- 0836US2005020715A1Manufacturing method for electrolyte membraneFiled 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Norifumi Hasegawa 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 →