Yukimasa Watanabe

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device and image forming apparatus including the same
- Patent number 9,298,126
- Issue date Mar 29, 2016
- KYOCERA Document Solution Inc.
- Tamotsu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming apparatus provided with the same
- Patent number 9,285,713
- Issue date Mar 15, 2016
- KYOCERA Document Solutions Inc.
- Sakae Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positively chargeable electrophotographic photosensitive member and...
- Patent number 9,213,229
- Issue date Dec 15, 2015
- Kyocera Document Solutions Inc.
- Yuko Iwashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and developing apparatus and image forming appara...
- Patent number 9,158,227
- Issue date Oct 13, 2015
- KYOCERA Document Solutions Inc.
- Yukimasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member and image forming apparat...
- Patent number 9,158,264
- Issue date Oct 13, 2015
- Kyocera Document Solutions Inc.
- Yuko Iwashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro photographic photoconductor and color image forming apparatus
- Patent number 8,642,236
- Issue date Feb 4, 2014
- Kyocera Mita Corporation
- Kazunari Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotosensitive material
- Patent number 7,090,952
- Issue date Aug 15, 2006
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,879,794
- Issue date Apr 12, 2005
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming device
- Patent number 6,858,368
- Issue date Feb 22, 2005
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Single-layer type electrophotosensitive material
- Patent number 6,593,047
- Issue date Jul 15, 2003
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Single-layer type electrophotosensitive material
- Patent number 6,573,017
- Issue date Jun 3, 2003
- Kyocera Mita Corporation
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Titanyl phthalocyanine crystal and production method of the same, a...
- Patent number 6,528,645
- Issue date Mar 4, 2003
- Kyocera Mita Corporation
- Kazunari Hamasaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Single-layer type electrophotosensitive material
- Patent number 6,461,779
- Issue date Oct 8, 2002
- Kyocera Mita Corporation
- Yukimasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phthalocyanine crystal and its production, and electrophotosensitiv...
- Patent number 6,391,505
- Issue date May 21, 2002
- Kyocera Mita Corporation
- Kazunari Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stilbene derivative, method of producing the same, and electrophoto...
- Patent number 6,338,927
- Issue date Jan 15, 2002
- Kyocera Mita Corporation
- Yoshio Inagaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stilbene derivative and method of producing the same, and electroph...
- Patent number 6,177,220
- Issue date Jan 23, 2001
- Kyocera Mita Corporation
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stilbene derivative and method for producing the same
- Patent number 6,022,998
- Issue date Feb 8, 2000
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotosensitive material and image forming method using the same
- Patent number 6,015,646
- Issue date Jan 18, 2000
- Mita Industrial Co., Ltd.
- Hiroaki Iwasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING ROLLER AND DEVELOPING APPARATUS AND IMAGE FORMING APPARA...
- Publication number 20150301473
- Publication date Oct 22, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yukimasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20150293470
- Publication date Oct 15, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tamotsu SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME
- Publication number 20150293477
- Publication date Oct 15, 2015
- KYOCERA DOCUMENT SOLUTIONS INC.
- Sakae Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POSITIVELY CHARGEABLE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND...
- Publication number 20140212803
- Publication date Jul 31, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuko IWASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARAT...
- Publication number 20140120464
- Publication date May 1, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuko Iwashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT AND IMAGE FORMING APPARATUS EQUIPPED THEREWITH
- Publication number 20080187368
- Publication date Aug 7, 2008
- Kyocera Mita Corporation
- Yukimasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRO PHOTOGRAPHIC PHOTOCONDUCTOR AND COLOR IMAGE FORMING APPARATUS
- Publication number 20080187847
- Publication date Aug 7, 2008
- Kyocera Mita Corporation
- Kazunari Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING DEVICE
- Publication number 20040185357
- Publication date Sep 23, 2004
- KYOCERA MITA CORPORATION
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotosensitive material
- Publication number 20040101771
- Publication date May 27, 2004
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020159804
- Publication date Oct 31, 2002
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Single-layer type electrophotosensitive material
- Publication number 20020119385
- Publication date Aug 29, 2002
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Single-layer type electrophotosensitive material
- Publication number 20020098428
- Publication date Jul 25, 2002
- Yukimasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Single-layer type electrophotosensitive material
- Publication number 20020045119
- Publication date Apr 18, 2002
- Jun Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yukimasa Watanabe

Person

Patents Grantslast 30 patents

Developing device and image forming apparatus including the same

Developing device, and image forming apparatus provided with the same

Positively chargeable electrophotographic photosensitive member and...

Developing roller and developing apparatus and image forming appara...

Electrophotographic photosensitive member and image forming apparat...

Electro photographic photoconductor and color image forming apparatus

Electrophotosensitive material

Image forming apparatus

Electrophotographic photoreceptor and image forming device

Single-layer type electrophotosensitive material

Single-layer type electrophotosensitive material

Titanyl phthalocyanine crystal and production method of the same, a...

Single-layer type electrophotosensitive material

Phthalocyanine crystal and its production, and electrophotosensitiv...

Stilbene derivative, method of producing the same, and electrophoto...

Stilbene derivative and method of producing the same, and electroph...

Stilbene derivative and method for producing the same

Electrophotosensitive material and image forming method using the same

Naphthoquinone derivative and electrophotosensitive material using...

Naphthoquinone derivative

Tryptanthrine compounds

Tryptoanthrinimine derivative and electrophotosensitive material us...

Patents Applicationslast 30 patents

DEVELOPING ROLLER AND DEVELOPING APPARATUS AND IMAGE FORMING APPARA...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME

POSITIVELY CHARGEABLE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARAT...

DRUM UNIT AND IMAGE FORMING APPARATUS EQUIPPED THEREWITH

ELECTRO PHOTOGRAPHIC PHOTOCONDUCTOR AND COLOR IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING DEVICE

Electrophotosensitive material

Image forming apparatus

Single-layer type electrophotosensitive material

Single-layer type electrophotosensitive material

Single-layer type electrophotosensitive material