Ichiro Takegawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoreceptor, process cartridge, and image for...
- Patent number 7,498,107
- Issue date Mar 3, 2009
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method
- Patent number 7,183,027
- Issue date Feb 27, 2007
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, processes for producing the same...
- Patent number 6,773,857
- Issue date Aug 10, 2004
- Fuji Xerox Co., Ltd.
- Hirofumi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing high-molecular-weight polycarbonate and elect...
- Patent number 6,136,946
- Issue date Oct 24, 2000
- Fuji Xerox Co., Ltd.
- Kenji Yao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoreceptor, image forming apparatus and imag...
- Patent number 5,795,690
- Issue date Aug 18, 1998
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,763,127
- Issue date Jun 9, 1998
- Fuji Xerox Co., Ltd.
- Koji Goshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming method
- Patent number 5,688,621
- Issue date Nov 18, 1997
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing electrophotographic photoreceptor
- Patent number 5,550,000
- Issue date Aug 27, 1996
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing a dichlorotin phthalocyanine crystal
- Patent number 5,463,043
- Issue date Oct 31, 1995
- Fuji Xerox Co., Ltd.
- Katsumi Nukada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,399,452
- Issue date Mar 21, 1995
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Crystals of chlorogallium phthalocyanine and method of preparing them
- Patent number 5,358,813
- Issue date Oct 25, 1994
- Fuji Xerox Co., Ltd.
- Masakazu Iijima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dichlorotin phthalocyanine crystal electrophotographic photorecepto...
- Patent number 5,338,636
- Issue date Aug 16, 1994
- Fuji Xerox Co., Ltd.
- Katsumi Nukada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image formation comprising an arylamine in a ch...
- Patent number 5,336,582
- Issue date Aug 9, 1994
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor with copolymerized polycarbonate...
- Patent number 5,141,832
- Issue date Aug 25, 1992
- Fuji Xerox Co., Ltd.
- Ichiro Takegawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoreceptor comprising a squarylium compound...
- Patent number 5,104,758
- Issue date Apr 14, 1992
- Fuji Xerox Co, Ltd.
- Kiyokazu Mashimo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor containing a fluorine lubricating...
- Patent number 4,996,125
- Issue date Feb 26, 1991
- Fuji Xerox Co., Ltd.
- Yasuo Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-layered squarylium-based positive charge electrophotographic...
- Patent number 4,948,687
- Issue date Aug 14, 1990
- Fuji Xerox Co., Ltd.
- Masanori Murase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus and image forming method
- Publication number 20070286644
- Publication date Dec 13, 2007
- Fuji Xerox co., LTD.
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, process cartridge, and image for...
- Publication number 20060140648
- Publication date Jun 29, 2006
- FUJI XEROX CO., LTD
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method
- Publication number 20050053855
- Publication date Mar 10, 2005
- FUJI XEROX CO., LTD
- Ichiro Takegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, processes for producing the same...
- Publication number 20030118927
- Publication date Jun 26, 2003
- FUJI XEROX CO., LTD
- Hirofumi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ichiro Takegawa

Person

Patents Grantslast 30 patents

Electrophotographic photoreceptor, process cartridge, and image for...

Image forming method

Electrophotographic photoreceptor, processes for producing the same...

Process for producing high-molecular-weight polycarbonate and elect...

Electrophotographic photoreceptor, image forming apparatus and imag...

Electrophotographic photoreceptor

Electrophotographic photoreceptor and image forming method

Process for producing electrophotographic photoreceptor

Process for producing a dichlorotin phthalocyanine crystal

Electrophotographic photoreceptor

Crystals of chlorogallium phthalocyanine and method of preparing them

Dichlorotin phthalocyanine crystal electrophotographic photorecepto...

Electrophotographic image formation comprising an arylamine in a ch...

Electrophotographic photoreceptor with copolymerized polycarbonate...

Electrophotographic photoreceptor comprising a squarylium compound...

Electrophotographic photoreceptor containing a fluorine lubricating...

Multi-layered squarylium-based positive charge electrophotographic...

Patents Applicationslast 30 patents

Image forming apparatus and image forming method

Electrophotographic photoreceptor, process cartridge, and image for...

Image forming method

Electrophotographic photoreceptor, processes for producing the same...