Inventor
KAWABATA YUICHIRO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KAWABATA YUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKUYAMA CORP
8 patentsUS6340765B1Jan 22, 2002
Chromene compound
TOKUYAMA CORP30 citations92
US6141135AOct 31, 2000
Photochromic composition
TOKUYAMA CORP19 citations92
US6723859B2Apr 20, 2004
Chromene compound
TOKUYAMA CORP45 citations91
US7521004B2Apr 21, 2009
Chromene compound
TOKUYAMA CORP22 citations90
US6362248B1Mar 26, 2002
Photochromic polymerizable composition
TOKUYAMA CORP17 citations83
US6197225B1Mar 6, 2001
Chromene compound
TOKUYAMA CORP16 citations83
US6022496AFeb 8, 2000
Chromene compound
TOKUYAMA CORP9 citations72
US5932725AAug 3, 1999
Chromene compound
TOKUYAMA CORP1 citations50