Inventor
KUSANO SHIGERU
JP28 patents
⚠️ This page may combine multiple inventors who share the name “KUSANO SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOYAMA NORIMASA
14 patentsUS9732036B2Aug 15, 2017
Compound having carbazole ring structure, and organic electroluminescent device
YOKOYAMA NORIMASA2 citations62
US9306175B2Apr 5, 2016
Organic electroluminescent device
YOKOYAMA NORIMASA2 citations62
US8252431B2Aug 28, 2012
Compound wherein substituted bipyridyl group is connected with pyridoindole ring structure through phenylene group, and organic electroluminescent device
YOKOYAMA NORIMASA2 citations62
US8168308B2May 1, 2012
Compound having pyridoindole ring structure having substituted pyridyl group attached thereto, and organic electroluminescence element
YOKOYAMA NORIMASA4 citations62
US8586210B2Nov 19, 2013
Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence device
YOKOYAMA NORIMASA3 citations60
US9444055B2Sep 13, 2016
Organic electroluminescent device
YOKOYAMA NORIMASA0 citations52
US8927119B2Jan 6, 2015
Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device
YOKOYAMA NORIMASA0 citations51
US8771841B2Jul 8, 2014
Organic electroluminescent device
YOKOYAMA NORIMASA1 citations51
US8722209B2May 13, 2014
Compound having pyridoindole ring structure having substituted pyridyl group attached thereto, and organic electroluminescence element
YOKOYAMA NORIMASA0 citations51
US8624228B2Jan 7, 2014
Compound having pyridoindole ring structure bonded with substituted pyridyl group, and organic electroluminescent device
YOKOYAMA NORIMASA1 citations50
US9196839B2Nov 24, 2015
Compound having triphenylamine structure, and organic electroluminescent device
YOKOYAMA NORIMASA1 citations49
US9306174B2Apr 5, 2016
Organic electroluminescent device
YOKOYAMA NORIMASA0 citations41
US8716698B2May 6, 2014
Organic electroluminescent device containing arylamine compound and bipyridyl compound
YOKOYAMA NORIMASA0 citations41
US8153277B2Apr 10, 2012
Compound having thiadiazole ring structure substituted with pyridyl group and organic electroluminescent device
YOKOYAMA NORIMASA0 citations34
HODOGAYA CHEMICAL CO LTD
12 patentsUS8053092B2Nov 8, 2011
m-carbazolylphenyl compounds
HODOGAYA CHEMICAL CO LTD9 citations83
US9525140B2Dec 20, 2016
Arylamine compound useful in an organic electroluminescent device
HODOGAYA CHEMICAL CO LTD3 citations73
US12089488B2Sep 10, 2024
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations52
US7902402B2Mar 8, 2011
Tetramine compound and organic EL device
HODOGAYA CHEMICAL CO LTD0 citations52
US7897816B2Mar 1, 2011
Tetramine compound and organic EL device
HODOGAYA CHEMICAL CO LTD0 citations52
US7807274B2Oct 5, 2010
Tetramine compound and organic EL device
HODOGAYA CHEMICAL CO LTD0 citations52
US9755152B2Sep 5, 2017
Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations51
US9985216B2May 29, 2018
Indenoindole derivative and organic electroluminescent element
HODOGAYA CHEMICAL CO LTD1 citations50
US8377573B2Feb 19, 2013
Compound having substituted pyridyl group and pyridoindole ring structure linked through phenylene group, and organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations50
US9842999B2Dec 12, 2017
Benzotriazole derivative and an organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations45
US9837620B2Dec 5, 2017
Benzopyridoindole derivative and organic electroluminescent element
HODOGAYA CHEMICAL CO LTD0 citations40
US9871210B2Jan 16, 2018
Naphthotriazole derivatives and organic electroluminescence devices
HODOGAYA CHEMICAL CO LTD0 citations33