Inventor
NEGISHI CHIKA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “NEGISHI CHIKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
17 patentsUS7241513B2Jul 10, 2007
Fluorene compound and organic luminescent device using the same
CANON KK62 citations97
US7387845B2Jun 17, 2008
Monoamino compound and organic luminescence device using the same
CANON KK25 citations92
US7229702B2Jun 12, 2007
Oligofluorenlylene compounds
CANON KK27 citations92
US7691491B2Apr 6, 2010
Monoaminofluorene compound and organic light-emitting device using the same
CANON KK8 citations84
US7034454B2Apr 25, 2006
Organic light emitting device with reverse intersystem crossing light emitting molecules
CANON KK17 citations84
US7510781B2Mar 31, 2009
Spiro compound and organic luminescence device using the same
CANON KK8 citations81
US7977869B2Jul 12, 2011
Organic luminescent device and benzo[k]fluoranthene compound
CANON KK3 citations63
US7960039B2Jun 14, 2011
Amino compound for organic light-emitting device and organic light-emitting device including the same
CANON KK3 citations63
US7932592B2Apr 26, 2011
Compound and organic light-emitting element
CANON KK4 citations63
US7833634B2Nov 16, 2010
1,8-naphthyridine compound and organic light-emitting device using the same
CANON KK2 citations63
US7794855B2Sep 14, 2010
Compound and organic light-emitting element
CANON KK3 citations63
US7709832B2May 4, 2010
Organic compound and organic light-emitting element
CANON KK4 citations63
US7632577B2Dec 15, 2009
Organic light-emitting device
CANON KK6 citations63
US7919197B2Apr 5, 2011
Condensed ring aromatic compound and organic light-emitting device having the same
CANON KK6 citations62
US7919198B2Apr 5, 2011
Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the same
CANON KK4 citations62
US7807277B2Oct 5, 2010
Amine compound and organic light-emitting device
CANON KK4 citations62
US8034944B2Oct 11, 2011
Benzofluoranthene compound and organic light-emitting device using the compound
CANON KK1 citations52