Inventor
NAKAGAWA YUUJI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA YUUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC TOKIN CORP
5 patentsUS6899974B2May 31, 2005
Secondary battery of proton conductive polymer
NEC TOKIN CORP19 citations92
US6749963B2Jun 15, 2004
Secondary battery utilizing indole compounds
NEC TOKIN CORP18 citations92
US7057880B2Jun 6, 2006
Secondary battery and capacitor utilizing indole compounds
NEC TOKIN CORP14 citations83
US6641759B1Nov 4, 2003
Polymer secondary cell electrode production method
NEC TOKIN CORP9 citations73
US6800395B2Oct 5, 2004
Secondary battery of proton conductive polymer
NEC TOKIN CORP1 citations51