Inventor
HIDAKA YASUAKI
JP3 patents
Patents
3 patentsUS6828407B2Dec 7, 2004
Polymer electrolyte composition and uses thereof
SUMITOMO CHEMICAL CO29 citations89
US7601448B2Oct 13, 2009
Polymer electrolyte membrane and fuel cell
SUMITOMO CHEMICAL CO2 citations58
US7226987B2Jun 5, 2007
Aromatic polymer phosphonic acid derivative and process for production the same
SUMITOMO CHEMICAL CO0 citations37