Ken Yoshizuka

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, developing unit, and computer system
- Patent number 7,929,884
- Issue date Apr 19, 2011
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus developing unit and computer system
- Patent number 7,646,994
- Issue date Jan 12, 2010
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printing device with multiple recording agent cartridges and corres...
- Patent number 7,609,403
- Issue date Oct 27, 2009
- Seiko Epson Corporation
- Osamu Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printing device and print management method
- Patent number 7,583,399
- Issue date Sep 1, 2009
- Seiko Epson Corporation
- Osamu Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus, developing unit, and computer system
- Patent number 7,469,117
- Issue date Dec 23, 2008
- Seiko Epson Corporation
- Toshiya Takahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation device, development unit, and computer system
- Patent number 7,340,201
- Issue date Mar 4, 2008
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device for controlling density adjustment based on a...
- Patent number 7,317,880
- Issue date Jan 8, 2008
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and an image forming method using a plurali...
- Patent number 7,292,806
- Issue date Nov 6, 2007
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation device enabling switching display of remaining deve...
- Patent number 7,286,775
- Issue date Oct 23, 2007
- Seiko Epson Corporation
- Kazuyoshi Utsumi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus for performing calibration without reducing...
- Patent number 7,251,421
- Issue date Jul 31, 2007
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device for performing calibration by patch pattern
- Patent number 7,233,749
- Issue date Jun 19, 2007
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and an image forming method
- Patent number 7,209,672
- Issue date Apr 24, 2007
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method of forming image using rotary developer
- Patent number 7,177,586
- Issue date Feb 13, 2007
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and an image forming method
- Patent number 7,177,568
- Issue date Feb 13, 2007
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming system, and computer-readabl...
- Patent number 7,171,131
- Issue date Jan 30, 2007
- Seiko Epson Corporation
- Akira Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming system and image forming apparatus
- Patent number 7,113,728
- Issue date Sep 26, 2006
- Seiko Epson Corporation
- Masahiro Owa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 7,092,653
- Issue date Aug 15, 2006
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method of forming image using rotary developer
- Patent number 6,931,229
- Issue date Aug 16, 2005
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods of verifying requirement for replacement of a main unit and...
- Patent number 6,873,802
- Issue date Mar 29, 2005
- Seiko Epson Corporation
- Yoshiro Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, DEVELOPING UNIT, AND COMPUTER SYSTEM
- Publication number 20100021191
- Publication date Jan 28, 2010
- Seiko Epson Corporation
- Ken YOSHIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus, Computer-Readable Medium, Image Forming Sy...
- Publication number 20080292357
- Publication date Nov 27, 2008
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printing device and print management method
- Publication number 20060153586
- Publication date Jul 13, 2006
- Seiko Epson Corporation
- Osamu Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image former and computer system
- Publication number 20060098223
- Publication date May 11, 2006
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation device, developing unit, and computer system
- Publication number 20060051128
- Publication date Mar 9, 2006
- Toshiya Takahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device
- Publication number 20060013599
- Publication date Jan 19, 2006
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus for performing calibration without reducing...
- Publication number 20060008285
- Publication date Jan 12, 2006
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus with reduced printing time
- Publication number 20060002729
- Publication date Jan 5, 2006
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printing device and print management method
- Publication number 20050286077
- Publication date Dec 29, 2005
- Seiko Epson Corporation
- Osamu Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming device for performing calibration by patch pattern
- Publication number 20050281575
- Publication date Dec 22, 2005
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation device, development unit, and computer system
- Publication number 20050232646
- Publication date Oct 20, 2005
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and an image forming method
- Publication number 20050220460
- Publication date Oct 6, 2005
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation device enabling switching display of remaining deve...
- Publication number 20050206923
- Publication date Sep 22, 2005
- Seiko Epson Corporation
- Kazuyoshi Utsumi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and an image forming method
- Publication number 20050196181
- Publication date Sep 8, 2005
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and an image forming method
- Publication number 20050196183
- Publication date Sep 8, 2005
- Seiko Epson Corporation
- Keiichi Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method of forming image using rotary developer
- Publication number 20050141938
- Publication date Jun 30, 2005
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus developing unit and computer system
- Publication number 20050105921
- Publication date May 19, 2005
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming system, and computer-readabl...
- Publication number 20050078983
- Publication date Apr 14, 2005
- Seiko Epson Corporation
- Akira Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming system and image forming apparatus
- Publication number 20050041995
- Publication date Feb 24, 2005
- Seiko Epson Corporation
- Masahiro Owa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming system
- Publication number 20050013625
- Publication date Jan 20, 2005
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, an exchange storage unit and an informatio...
- Publication number 20040196488
- Publication date Oct 7, 2004
- Seiko Epson Corporation
- Hiroshi Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Technique of verifying requirement for replacement of and in image...
- Publication number 20040126123
- Publication date Jul 1, 2004
- Seiko Epson Corporation
- Yoshiro Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method of forming image using rotary developer
- Publication number 20040028437
- Publication date Feb 12, 2004
- Seiko Epson Corporation
- Ken Yoshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ken Yoshizuka

Person

Patents Grantslast 30 patents

Image forming apparatus, developing unit, and computer system

Image forming apparatus developing unit and computer system

Printing device with multiple recording agent cartridges and corres...

Printing device and print management method

Image forming apparatus, developing unit, and computer system

Image formation device, development unit, and computer system

Image forming device for controlling density adjustment based on a...

Image forming apparatus and an image forming method using a plurali...

Image formation device enabling switching display of remaining deve...

Image forming apparatus for performing calibration without reducing...

Image forming device for performing calibration by patch pattern

Image forming apparatus and an image forming method

Apparatus and method of forming image using rotary developer

Image forming apparatus and an image forming method

Image forming apparatus, image forming system, and computer-readabl...

Image forming system and image forming apparatus

Image forming apparatus and image forming system

Apparatus and method of forming image using rotary developer

Methods of verifying requirement for replacement of a main unit and...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS, DEVELOPING UNIT, AND COMPUTER SYSTEM

Image Forming Apparatus, Computer-Readable Medium, Image Forming Sy...

Printing device and print management method

Image former and computer system

Image formation device, developing unit, and computer system

Image forming device

Image forming apparatus for performing calibration without reducing...

Image forming apparatus with reduced printing time

Printing device and print management method

Image forming device for performing calibration by patch pattern

Image formation device, development unit, and computer system

Image forming apparatus and an image forming method

Image formation device enabling switching display of remaining deve...

Image forming apparatus and an image forming method

Image forming apparatus and an image forming method

Apparatus and method of forming image using rotary developer

Image forming apparatus developing unit and computer system

Image forming apparatus, image forming system, and computer-readabl...

Image forming system and image forming apparatus

Image forming apparatus and image forming system

Image forming apparatus, an exchange storage unit and an informatio...

Technique of verifying requirement for replacement of and in image...

Apparatus and method of forming image using rotary developer