Atsuyuki Katoh

Person

Tenri, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with partitioning member
- Patent number 7,546,058
- Issue date Jun 9, 2009
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with isolating member for powder developer
- Patent number 7,539,435
- Issue date May 26, 2009
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having non-contact charging roller
- Patent number 7,366,447
- Issue date Apr 29, 2008
- Sharp Kabushiki Kaisha
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Foreign material removing system, method of removing foreign materi...
- Patent number 7,167,665
- Issue date Jan 23, 2007
- Sharp Kabushiki Kaisha
- Syohji Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, image forming apparatus and toner replenishin...
- Patent number 7,035,577
- Issue date Apr 25, 2006
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,259,869
- Issue date Jul 10, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer drum with transfer paper ch...
- Patent number 6,233,422
- Issue date May 15, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having improved image transfer characteristics
- Patent number 6,219,498
- Issue date Apr 17, 2001
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with nip time changing device
- Patent number 6,169,862
- Issue date Jan 2, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer roller with charge-removing...
- Patent number 6,118,954
- Issue date Sep 12, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer drum with specific construc...
- Patent number 6,081,686
- Issue date Jun 27, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having improved image transfer characteristics
- Patent number 6,044,236
- Issue date Mar 28, 2000
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,026,256
- Issue date Feb 15, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus equipped with register rollers for curling...
- Patent number 5,812,923
- Issue date Sep 22, 1998
- Sharp Kabushiki Kaisha
- Kouichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having variable transfer and attraction vol...
- Patent number 5,799,225
- Issue date Aug 25, 1998
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device for an image forming apparatus
- Patent number 5,623,329
- Issue date Apr 22, 1997
- Sharp Kabushiki Kaisha
- Kouichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive drum cartridge and an image forming apparatus using...
- Patent number 5,347,343
- Issue date Sep 13, 1994
- Sharp Kabushiki Kaisha
- Yoshinori Ohtsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus with process-cartridges
- Patent number 5,017,962
- Issue date May 21, 1991
- Sharp Kabushiki Kaisha
- Masaru Tsuji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070031163
- Publication date Feb 8, 2007
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20060216055
- Publication date Sep 28, 2006
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image-forming device
- Publication number 20060170935
- Publication date Aug 3, 2006
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Foreign material removing system, method of removing foreign materi...
- Publication number 20040228658
- Publication date Nov 18, 2004
- Syohji Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus, image forming apparatus and toner replenishin...
- Publication number 20040131394
- Publication date Jul 8, 2004
- Sharp Kabushiki Kaisha
- Atsuyuki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Atsuyuki Katoh

Person

Patents Grantslast 30 patents

Image forming apparatus with partitioning member

Image forming apparatus with isolating member for powder developer

Image forming apparatus having non-contact charging roller

Foreign material removing system, method of removing foreign materi...

Developing apparatus, image forming apparatus and toner replenishin...

Image forming apparatus

Image forming apparatus having transfer drum with transfer paper ch...

Image forming apparatus having improved image transfer characteristics

Image forming apparatus with nip time changing device

Image forming apparatus having transfer roller with charge-removing...

Image forming apparatus having transfer drum with specific construc...

Image forming apparatus having improved image transfer characteristics

Image forming apparatus

Image forming apparatus equipped with register rollers for curling...

Image forming apparatus having variable transfer and attraction vol...

Transfer device for an image forming apparatus

Photosensitive drum cartridge and an image forming apparatus using...

Image forming apparatus with process-cartridges

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

Image forming apparatus

Image-forming device

Foreign material removing system, method of removing foreign materi...

Developing apparatus, image forming apparatus and toner replenishin...