Yasufumi Mizuta

Person

Chuo-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing positively-charged single-layer electrophot...
- Patent number 9,298,112
- Issue date Mar 29, 2016
- Kyocera Document Solutions Inc.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positively-charged single-layer electrophotographic photoreceptor a...
- Patent number 9,285,692
- Issue date Mar 15, 2016
- Kyocera Document Solutions Inc.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positively-charged single-layer electrophotographic photoreceptor a...
- Patent number 9,217,981
- Issue date Dec 22, 2015
- KYOCERA Document Solutions Inc.
- Keizo Kimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device using a single-layer-type electrophotographic...
- Patent number 7,555,241
- Issue date Jun 30, 2009
- Kyocera Mita Corporation
- Makoto Shishido
- 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 5,863,688
- Issue date Jan 26, 1999
- Mita Industrial Co., Ltd.
- Yukimasa Watanabe
- 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
Trinitrofluoroenonimine derivative and electrophotosensitive materi...
- Patent number 5,705,694
- Issue date Jan 6, 1998
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptoanthorine derivative contained in electrophotosensitive material
- Patent number 5,616,441
- Issue date Apr 1, 1997
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzidine derivative and electrophotosensitive material using the same
- Patent number 5,550,290
- Issue date Aug 27, 1996
- Mita Industrial Co Ltd.
- Yasufumi Mizuta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotosensitive material containing disazo compound as charge...
- Patent number 5,424,157
- Issue date Jun 13, 1995
- Mita Industrial Co., Ltd.
- Eiichi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member having a photosensitive l...
- Patent number 5,336,576
- Issue date Aug 9, 1994
- Mita Industrial Co., Ltd.
- Eiichi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic member having an azo compound with diphenoquinone
- Patent number 5,288,576
- Issue date Feb 22, 1994
- Mita Industrial Co., Ltd.
- Eiichi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Bisazo compounds which contain a diphenoquinone tetraazo component...
- Patent number 5,274,084
- Issue date Dec 28, 1993
- Mita Industrial Co., Ltd.
- Eiichi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive element comprising a surface pro...
- Patent number 5,260,157
- Issue date Nov 9, 1993
- Mita Industrial Co., Ltd.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotosensitive material containing p-benzylbiphenyl
- Patent number 5,185,228
- Issue date Feb 9, 1993
- Mita Industrial Co., Ltd.
- Tatsuo Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic polyvinyl acetal layer containing element and p...
- Patent number 5,135,834
- Issue date Aug 4, 1992
- Mita Industrial Co., Ltd.
- Yasuyuki Hanatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive material
- Patent number 5,063,126
- Issue date Nov 5, 1991
- Mita Industrial Co., Ltd.
- Kaname Nakatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOT...
- Publication number 20150160571
- Publication date Jun 11, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOT...
- Publication number 20140093816
- Publication date Apr 3, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTORECEPTOR A...
- Publication number 20140093280
- Publication date Apr 3, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Keizo Kimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTORECEPTOR A...
- Publication number 20140093817
- Publication date Apr 3, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yasufumi Mizuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20070077089
- Publication date Apr 5, 2007
- Makoto Shishido
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasufumi Mizuta

Person

Patents Grantslast 30 patents

Method of manufacturing positively-charged single-layer electrophot...

Positively-charged single-layer electrophotographic photoreceptor a...

Positively-charged single-layer electrophotographic photoreceptor a...

Image forming device using a single-layer-type electrophotographic...

Naphthalenetetracarboxylic acid diimide derivatives and photosensit...

Naphthalenetetracarboxylic acid diimide derivatives and photosensit...

Naphthoquinone derivative and electrophotosensitive material using...

Naphthoquinone derivative

Tryptoanthrinimine derivative and electrophotosensitive material us...

Trinitrofluoroenonimine derivative and electrophotosensitive materi...

Tryptoanthorine derivative contained in electrophotosensitive material

Benzidine derivative and electrophotosensitive material using the same

Electrophotosensitive material containing disazo compound as charge...

Electrophotographic photosensitive member having a photosensitive l...

Electrophotographic member having an azo compound with diphenoquinone

Bisazo compounds which contain a diphenoquinone tetraazo component...

Electrophotographic photosensitive element comprising a surface pro...

Electrophotosensitive material containing p-benzylbiphenyl

Electrophotographic polyvinyl acetal layer containing element and p...

Electrophotographic photosensitive material

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOT...

METHOD OF MANUFACTURING POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOT...

POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTORECEPTOR A...

POSITIVELY-CHARGED SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTORECEPTOR A...

Image forming apparatus and image forming method