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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compound having an indolocarbazole ring structure and organic elect...
Patent number
9,564,600
Issue date
Feb 7, 2017
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having pyridoindole ring structure bonded with substituted...
Patent number
8,624,228
Issue date
Jan 7, 2014
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having substituted anthracene ring structure and pyridoind...
Patent number
8,586,210
Issue date
Nov 19, 2013
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having substituted pyridyl group and pyridoindole ring str...
Patent number
8,377,573
Issue date
Feb 19, 2013
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
COMPOUND HAVING AN INDOLOCARBAZOLE RING STRUCTURE AND ORGANIC ELECT...
Publication number
20140124756
Publication date
May 8, 2014
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND HAVING SUBSTITUTED ANTHRACENE RING STRUCTURE AND PYRIDOIND...
Publication number
20130341604
Publication date
Dec 26, 2013
Norimasa YOKOYAMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINE...
Publication number
20130112950
Publication date
May 9, 2013
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND HAVING SUBSTITUTED ANTHRACENE RING STRUCTURE AND PYRIDOIND...
Publication number
20110175079
Publication date
Jul 21, 2011
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND HAVING SUBSTITUTED PYRIDYL GROUP AND PYRIDOINDOLE RING STR...
Publication number
20110006291
Publication date
Jan 13, 2011
Hodogaya Chemical Co. Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND HAVING PYRIDOINDOLE RING STRUCTURE BONDED WITH SUBSTITUTED...
Publication number
20100308322
Publication date
Dec 9, 2010
Hodogaya Chemical Co,. Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY