Fumio SUGAI

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Quinone derivative and electrophotographic photosensitive member
- Patent number 10,126,667
- Issue date Nov 13, 2018
- Kyocera Document Solutions Inc.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triarylamine derivative, electrophotographic photosensitive member,...
- Patent number 9,964,869
- Issue date May 8, 2018
- Kyocera Document Solutions Inc.
- Kensuke Okawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Quinone derivative and electrophotographic photosensitive member
- Patent number 9,783,491
- Issue date Oct 10, 2017
- KYOCERA Documents Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Quinone derivative and electrophotographic photosensitive member
- Patent number 9,783,493
- Issue date Oct 10, 2017
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Triarylamine derivative, electrophotographic photosensitive member,...
- Patent number 9,690,217
- Issue date Jun 27, 2017
- KYOCERA Document Solutions, Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Triphenylamine derivative, electrophotographic photosensitive membe...
- Patent number 9,684,253
- Issue date Jun 20, 2017
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member
- Patent number 9,581,921
- Issue date Feb 28, 2017
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Triarylamine derivative and electrophotographic photosensitive member
- Patent number 9,494,881
- Issue date Nov 15, 2016
- Kyocera Document Solutions Inc.
- Hideki Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hydrazone derivative of triphenylamine and electrophotographic phot...
- Patent number 9,454,091
- Issue date Sep 27, 2016
- Kyocera Document Solutions Inc.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triarylamine derivative and electrophotographic photosensitive member
- Patent number 9,447,022
- Issue date Sep 20, 2016
- Kyocera Document Solutions Inc.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triarylamine derivative and electrophotographic photosensitive member
- Patent number 9,436,105
- Issue date Sep 6, 2016
- Kyocera Document Solutions Inc.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triphenylamine derivative, method for manufacturing the same, and e...
- Patent number 9,376,371
- Issue date Jun 28, 2016
- Kyocera Document Solutions Inc.
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Wet-developing electrophotographic photoconductor and wet-developin...
- Patent number 7,468,230
- Issue date Dec 23, 2008
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotosensitive material
- Patent number 6,500,592
- Issue date Dec 31, 2002
- Kyocera Mita Corporation
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Naphthoquinone derivative and electrophotosensitive material using...
- Patent number 6,395,439
- Issue date May 28, 2002
- Kyocera Mita Corporation
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotosensitive material containing specific maleimide deriva...
- Patent number 6,376,142
- Issue date Apr 23, 2002
- Kyocera Mita Corporation
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotosensitive material
- Patent number 6,346,355
- Issue date Feb 12, 2002
- Kyocera Mita Corporation
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Naphthalenetetracarboxylic acid diimide derivatives and photosensit...
- Patent number 6,174,638
- Issue date Jan 16, 2001
- Kyocera Mita Corporation
- Kou Ishigami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Naphthalenetetracarboxylic acid diimide derivatives and photosensit...
- Patent number 6,127,076
- Issue date Oct 3, 2000
- Kyocera Mita Corporation
- Kou Ishigami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative and electrophotosensitive material using...
- Patent number 5,994,012
- Issue date Nov 30, 1999
- Mita Industrial Co., Ltd.
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative
- Patent number 5,977,389
- Issue date Nov 2, 1999
- Mita Industrial Co., Ltd.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative and electrophotographic material using th...
- Patent number 5,976,742
- Issue date Nov 2, 1999
- Mita Industrial Co., Ltd.
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative
- Patent number 5,863,688
- Issue date Jan 26, 1999
- Mita Industrial Co., Ltd.
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptanthrine compounds
- Patent number 5,817,810
- Issue date Oct 6, 1998
- Mita Industrial Co., Ltd.
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptoanthrinimine derivative and electrophotosensitive material us...
- Patent number 5,773,613
- Issue date Jun 30, 1998
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Benzothiophene/indole-substituted maleimide derivatives, photochrom...
- Patent number 5,468,874
- Issue date Nov 21, 1995
- Mita Industrial Co., Ltd.
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20170363977
- Publication date Dec 21, 2017
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIARYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER,...
- Publication number 20170131647
- Publication date May 11, 2017
- KYOCERA DOCUMENT SOLUTIONS INC.
- Kensuke OKAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20160179020
- Publication date Jun 23, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20160152557
- Publication date Jun 2, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20160152556
- Publication date Jun 2, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20160152552
- Publication date Jun 2, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIARYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMEBER...
- Publication number 20160062253
- Publication date Mar 3, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIPHENYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBE...
- Publication number 20160062254
- Publication date Mar 3, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20160033885
- Publication date Feb 4, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20150378268
- Publication date Dec 31, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDRAZONE DERIVATIVE OF TRIPHENYLAMINE AND ELECTROPHOTOGRAPHIC PHOT...
- Publication number 20150378269
- Publication date Dec 31, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hideki OKADA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIPHENYLAMINE DERIVATIVE, METHOD FOR MANUFACTURING THE SAME, AND E...
- Publication number 20140357895
- Publication date Dec 4, 2014
- KYOCERA DOCUMENTS SOLUTIONS, INC.
- Fumio SUGAI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Wet-developing electrophotographic photoconductor and wet-developin...
- Publication number 20060166117
- Publication date Jul 27, 2006
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotosensitive material
- Publication number 20020086227
- Publication date Jul 4, 2002
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotosensitive material
- Publication number 20010044061
- Publication date Nov 22, 2001
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotosensitive material
- Publication number 20010038961
- Publication date Nov 8, 2001
- Fumio Sugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Fumio SUGAI

Person

Patents Grantslast 30 patents

Quinone derivative and electrophotographic photosensitive member

Triarylamine derivative, electrophotographic photosensitive member,...

Quinone derivative and electrophotographic photosensitive member

Quinone derivative and electrophotographic photosensitive member

Triarylamine derivative, electrophotographic photosensitive member,...

Triphenylamine derivative, electrophotographic photosensitive membe...

Electrophotographic photosensitive member

Triarylamine derivative and electrophotographic photosensitive member

Hydrazone derivative of triphenylamine and electrophotographic phot...

Triarylamine derivative and electrophotographic photosensitive member

Triarylamine derivative and electrophotographic photosensitive member

Triphenylamine derivative, method for manufacturing the same, and e...

Wet-developing electrophotographic photoconductor and wet-developin...

Electrophotosensitive material

Naphthoquinone derivative and electrophotosensitive material using...

Electrophotosensitive material containing specific maleimide deriva...

Electrophotosensitive material

Naphthalenetetracarboxylic acid diimide derivatives and photosensit...

Naphthalenetetracarboxylic acid diimide derivatives and photosensit...

Naphthoquinone derivative and electrophotosensitive material using...

Naphthoquinone derivative

Naphthoquinone derivative and electrophotographic material using th...

Naphthoquinone derivative

Tryptanthrine compounds

Tryptoanthrinimine derivative and electrophotosensitive material us...

Benzothiophene/indole-substituted maleimide derivatives, photochrom...

Patents Applicationslast 30 patents

QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

TRIARYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER,...

TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

TRIARYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMEBER...

TRIPHENYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBE...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

TRIARYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

HYDRAZONE DERIVATIVE OF TRIPHENYLAMINE AND ELECTROPHOTOGRAPHIC PHOT...

TRIPHENYLAMINE DERIVATIVE, METHOD FOR MANUFACTURING THE SAME, AND E...

Wet-developing electrophotographic photoconductor and wet-developin...

Electrophotosensitive material

Electrophotosensitive material

Electrophotosensitive material