Makoto Nagaoka

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Indenoindole derivative and organic electroluminescent element
- Patent number 9,985,216
- Issue date May 29, 2018
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having acridan ring structure, and organic electroluminesc...
- Patent number 9,905,770
- Issue date Feb 27, 2018
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent device
- Patent number 9,882,136
- Issue date Jan 30, 2018
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthotriazole derivatives and organic electroluminescence devices
- Patent number 9,871,210
- Issue date Jan 16, 2018
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzotriazole derivative and an organic electroluminescent device
- Patent number 9,842,999
- Issue date Dec 12, 2017
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyridoindole derivative and organic electroluminescent element
- Patent number 9,837,620
- Issue date Dec 5, 2017
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having acridan ring structure, and organic electroluminesc...
- Patent number 9,818,949
- Issue date Nov 14, 2017
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having carbazole ring structure, and organic electrolumine...
- Patent number 9,732,036
- Issue date Aug 15, 2017
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphorescent organic light emitting devices having a hole transpo...
- Patent number 9,705,099
- Issue date Jul 11, 2017
- Universal Display Corporation
- Vadim Adamovich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phosphorescent organic light emitting devices combined with hole tr...
- Patent number 9,705,092
- Issue date Jul 11, 2017
- Universal Display Corporation
- Hitoshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
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
Organic electroluminescent device
- Patent number 9,306,174
- Issue date Apr 5, 2016
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Organic electroluminescent device
- Patent number 9,306,175
- Issue date Apr 5, 2016
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing aromatic amino compounds
- Patent number 9,238,624
- Issue date Jan 19, 2016
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having triphenylamine structure, and organic electrolumine...
- Patent number 9,196,839
- Issue date Nov 24, 2015
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having indenocarbazole ring structure, and organic electro...
- Patent number 9,196,837
- Issue date Nov 24, 2015
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having acridan ring structure, and organic electroluminesc...
- Patent number 8,852,759
- Issue date Oct 7, 2014
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing aromatic amino compounds
- Patent number 8,735,626
- Issue date May 27, 2014
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted bipyridyl compound and organic electroluminescent device
- Patent number 8,642,189
- Issue date Feb 4, 2014
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound wherein substituted bipyridyl group is connected with pyri...
- Patent number 8,252,431
- Issue date Aug 28, 2012
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having oxadiazole ring structure substituted with pyridyl...
- Patent number 7,977,671
- Issue date Jul 12, 2011
- Hodogaya Chemical Co., Ltd.
- Tetsuzo Miki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having oxadiazole ring structure substituted with pyridyl...
- Patent number 7,812,341
- Issue date Oct 12, 2010
- Hodogaya Chemical Co., Ltd.
- Tetsuzo Miki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Toner for the development of electrostatic image and process for th...
- Patent number 5,665,506
- Issue date Sep 9, 1997
- Hodogaya Chemical Co., Ltd.
- Koichi Kashima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20180175301
- Publication date Jun 21, 2018
- Hodogaya Chemical Co., Ltd.
- Hiroshi OOKUMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BENZOFUROINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE
- Publication number 20160351823
- Publication date Dec 1, 2016
- Hodogaya Chemical Co., Ltd.
- Makoto NAGAOKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BENZOPYRIDOINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20160254458
- Publication date Sep 1, 2016
- Hodogaya Chemical Co., Ltd.
- Makoto NAGAOKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A BENZOTRIAZOLE DERIVATIVE AND AN ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20160164001
- Publication date Jun 9, 2016
- Hodogaya Chemical Co., Ltd.
- Makoto NAGAOKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
INDENOINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20160126468
- Publication date May 5, 2016
- Hodogaya Chemical Co., Ltd.
- Makoto NAGAOKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL NAPHTHOTRIAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE D...
- Publication number 20160005982
- Publication date Jan 7, 2016
- Hodogaya Chemical Co., Ltd.
- Makoto NAGAOKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20150287920
- Publication date Oct 8, 2015
- Hodogaya Chemical Co., Ltd.
- Makoto Nagaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...
- Publication number 20150060803
- Publication date Mar 5, 2015
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...
- Publication number 20150048351
- Publication date Feb 19, 2015
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES HAVING A HOLE TRANSPO...
- Publication number 20140374728
- Publication date Dec 25, 2014
- UNIVERSAL DISPLAY CORPORATION
- Vadim Adamovich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES COMBINED WITH HOLE TR...
- Publication number 20140339518
- Publication date Nov 20, 2014
- Hodogaya Chemical Co., Ltd.
- Hitoshi Yamamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF PRODUCING AROMATIC AMINO COMPOUNDS
- Publication number 20140163232
- Publication date Jun 12, 2014
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
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 ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...
- Publication number 20140042425
- Publication date Feb 13, 2014
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND HAVING INDENOCARBAZOLE RING STRUCTURE, AND ORGANIC ELECTRO...
- Publication number 20130126856
- Publication date May 23, 2013
- HODOGAYA CHEMICAL CO., LTD.
- 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 ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...
- Publication number 20130075715
- Publication date Mar 28, 2013
- HODOGAYA CHEMICAL CO., LTD.
- Norimasa Yokoyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND HAVING TRIPHENYLAMINE STRUCTURE, AND ORGANIC ELECTROLUMINE...
- Publication number 20120292609
- Publication date Nov 22, 2012
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20120273767
- Publication date Nov 1, 2012
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20120205642
- Publication date Aug 16, 2012
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINE...
- Publication number 20120175599
- Publication date Jul 12, 2012
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PRODUCING AROMATIC AMINO COMPOUNDS
- Publication number 20110257404
- Publication date Oct 20, 2011
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SUBSTITUTED BIPYRIDYL COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20110001129
- Publication date Jan 6, 2011
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND WHEREIN SUBSTITUTED BIPYRIDYL GROUP IS CONNECTED WITH PYRI...
- Publication number 20100123388
- Publication date May 20, 2010
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND HAVING TRIAZINE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GR...
- Publication number 20100090588
- Publication date Apr 15, 2010
- Hodogaya Chemical Co., Ltd.
- Norimasa Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND HAVING OXADIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL...
- Publication number 20100066244
- Publication date Mar 18, 2010
- Hodogaya Chemical Co., Ltd.
- Tetsuzo Miki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Compound Having Oxadiazole Ring Structure Substituted with Pyridyl...
- Publication number 20080017846
- Publication date Jan 24, 2008
- Hodogaya Chemical Co., Ltd.
- Tetsuzo Miki
- C07 - ORGANIC CHEMISTRY

Makoto Nagaoka

Person

Patents Grantslast 30 patents

Indenoindole derivative and organic electroluminescent element

Compound having acridan ring structure, and organic electroluminesc...

Organic electroluminescent device

Naphthotriazole derivatives and organic electroluminescence devices

Benzotriazole derivative and an organic electroluminescent device

Benzopyridoindole derivative and organic electroluminescent element

Compound having acridan ring structure, and organic electroluminesc...

Compound having carbazole ring structure, and organic electrolumine...

Phosphorescent organic light emitting devices having a hole transpo...

Phosphorescent organic light emitting devices combined with hole tr...

Compound having an indolocarbazole ring structure and organic elect...

Organic electroluminescent device

Organic electroluminescent device

Method of producing aromatic amino compounds

Compound having triphenylamine structure, and organic electrolumine...

Compound having indenocarbazole ring structure, and organic electro...

Compound having acridan ring structure, and organic electroluminesc...

Method of producing aromatic amino compounds

Substituted bipyridyl compound and organic electroluminescent device

Compound wherein substituted bipyridyl group is connected with pyri...

Compound having oxadiazole ring structure substituted with pyridyl...

Compound having oxadiazole ring structure substituted with pyridyl...

Toner for the development of electrostatic image and process for th...

Patents Applicationslast 30 patents

ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE

BENZOFUROINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE

BENZOPYRIDOINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT

A BENZOTRIAZOLE DERIVATIVE AND AN ORGANIC ELECTROLUMINESCENT DEVICE

INDENOINDOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT

NOVEL NAPHTHOTRIAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE D...

ORGANIC ELECTROLUMINESCENT DEVICE

COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...

COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...

PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES HAVING A HOLE TRANSPO...

PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES COMBINED WITH HOLE TR...

METHOD OF PRODUCING AROMATIC AMINO COMPOUNDS

COMPOUND HAVING AN INDOLOCARBAZOLE RING STRUCTURE AND ORGANIC ELECT...

COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...

COMPOUND HAVING INDENOCARBAZOLE RING STRUCTURE, AND ORGANIC ELECTRO...

COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINE...

COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESC...

COMPOUND HAVING TRIPHENYLAMINE STRUCTURE, AND ORGANIC ELECTROLUMINE...

ORGANIC ELECTROLUMINESCENT DEVICE

ORGANIC ELECTROLUMINESCENT DEVICE

COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINE...

METHOD OF PRODUCING AROMATIC AMINO COMPOUNDS

SUBSTITUTED BIPYRIDYL COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE

COMPOUND WHEREIN SUBSTITUTED BIPYRIDYL GROUP IS CONNECTED WITH PYRI...

COMPOUND HAVING TRIAZINE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GR...

COMPOUND HAVING OXADIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL...

Compound Having Oxadiazole Ring Structure Substituted with Pyridyl...