Inventor
IZUMI SAWA
JP4 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI SAWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOYAMA NORIMASA
3 patentsUS8586210B2Nov 19, 2013
Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence device
YOKOYAMA NORIMASA3 citations60
US8624228B2Jan 7, 2014
Compound having pyridoindole ring structure bonded with substituted pyridyl group, and organic electroluminescent device
YOKOYAMA NORIMASA1 citations50
US9564600B2Feb 7, 2017
Compound having an indolocarbazole ring structure and organic electroluminescent device
YOKOYAMA NORIMASA1 citations49