Yuichiro Toyohara

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image formation system, image formation method, and image quality i...
- Patent number 8,218,990
- Issue date Jul 10, 2012
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including density control and control metho...
- Patent number 8,126,343
- Issue date Feb 28, 2012
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including density control and control metho...
- Patent number 7,945,178
- Issue date May 17, 2011
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using color toner and transparent toner
- Patent number 7,826,772
- Issue date Nov 2, 2010
- Canon Kabushiki Kaisha
- Fumitake Hirobe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a developer comprising at least a tone...
- Patent number 7,596,345
- Issue date Sep 29, 2009
- Canon Kabushiki Kaisha
- Fumitake Hirobe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of accomplishing uniformity in glos...
- Patent number 7,522,852
- Issue date Apr 21, 2009
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,340,190
- Issue date Mar 4, 2008
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,324,765
- Issue date Jan 29, 2008
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using two or more toners for ordinary paper...
- Patent number 7,120,368
- Issue date Oct 10, 2006
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus capable of accomplishing uniformity in glos...
- Patent number 7,113,729
- Issue date Sep 26, 2006
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of changing usage ratio among multi...
- Patent number 7,110,686
- Issue date Sep 19, 2006
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with interchangeable developing devices
- Patent number 6,819,902
- Issue date Nov 16, 2004
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a plurality of image forming speeds
- Patent number 6,785,480
- Issue date Aug 31, 2004
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and manufacturing method thereof
- Patent number 6,646,670
- Issue date Nov 11, 2003
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus with changeable toner returning electric fi...
- Patent number 6,591,072
- Issue date Jul 8, 2003
- Canon Kabushiki Kaisha
- Kouichi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with exposure reduction mode
- Patent number 6,559,876
- Issue date May 6, 2003
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus for outputting image in response to digital...
- Patent number 6,501,492
- Issue date Dec 31, 2002
- Canon Kabushiki Kaisha
- Tsuyoshi Kunishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus which corrects image forming conditions in...
- Patent number 6,463,226
- Issue date Oct 8, 2002
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,393,229
- Issue date May 21, 2002
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having plural image processing speeds and p...
- Patent number 6,389,240
- Issue date May 14, 2002
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus and method for reproducing high quality...
- Patent number 6,226,108
- Issue date May 1, 2001
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus and method for improving image reproduci...
- Patent number 6,091,512
- Issue date Jul 18, 2000
- Canon Kabushiki Kaisha
- Nobuatsu Sasanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 6,049,681
- Issue date Apr 11, 2000
- Canon Kabushiki Kaisha
- Motohide Shiozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus with power control based on temperature gradient
- Patent number 5,987,275
- Issue date Nov 16, 1999
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,726,759
- Issue date Mar 10, 1998
- Canon Kabushiki Kaisha
- Yukio Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device having a power supply control element for controlling...
- Patent number 5,671,462
- Issue date Sep 23, 1997
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF
- Publication number 20110182608
- Publication date Jul 28, 2011
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMATION SYSTEM, IMAGE FORMATION METHOD, AND IMAGE QUALITY I...
- Publication number 20100021194
- Publication date Jan 28, 2010
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090317139
- Publication date Dec 24, 2009
- Canon Kabushiki Kaisha
- Fumitake Hirobe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF
- Publication number 20080107434
- Publication date May 8, 2008
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070166086
- Publication date Jul 19, 2007
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE-FORMING APPARATUS
- Publication number 20070059056
- Publication date Mar 15, 2007
- Canon Kabushiki Kaisha
- Tatsuomi Murayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070048021
- Publication date Mar 1, 2007
- Canon Kabushiki Kaisha
- Fumitake Hirobe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus capable of accomplishing uniformity in glos...
- Publication number 20060269330
- Publication date Nov 30, 2006
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050214004
- Publication date Sep 29, 2005
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus using two or more toners for ordinary paper...
- Publication number 20050058465
- Publication date Mar 17, 2005
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus capable of changing usage ratio among multi...
- Publication number 20050058466
- Publication date Mar 17, 2005
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus capable of accomplishing uniformity in glos...
- Publication number 20050031379
- Publication date Feb 10, 2005
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030185601
- Publication date Oct 2, 2003
- Canon Kabushiki Kaisha
- Yuichiro Toyohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus with changeable toner returning electric fi...
- Publication number 20020085859
- Publication date Jul 4, 2002
- Kouichi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus
- Publication number 20020044189
- Publication date Apr 18, 2002
- Kenichiro Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20020025179
- Publication date Feb 28, 2002
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus having plural image processing speeds and p...
- Publication number 20010048820
- Publication date Dec 6, 2001
- Yuichiro Toyohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus which corrects image forming conditions in...
- Publication number 20010043815
- Publication date Nov 22, 2001
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and manufacturing method thereof
- Publication number 20010026311
- Publication date Oct 4, 2001
- Yuichiro Toyohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yuichiro Toyohara

Person

Patents Grantslast 30 patents

Image formation system, image formation method, and image quality i...

Image forming apparatus including density control and control metho...

Image forming apparatus including density control and control metho...

Image forming apparatus using color toner and transparent toner

Image forming apparatus with a developer comprising at least a tone...

Image forming apparatus capable of accomplishing uniformity in glos...

Image forming apparatus

Image forming apparatus

Image forming apparatus using two or more toners for ordinary paper...

Image forming apparatus capable of accomplishing uniformity in glos...

Image forming apparatus capable of changing usage ratio among multi...

Image forming apparatus with interchangeable developing devices

Image forming apparatus having a plurality of image forming speeds

Image forming apparatus and manufacturing method thereof

Image forming apparatus with changeable toner returning electric fi...

Image forming apparatus with exposure reduction mode

Image forming apparatus for outputting image in response to digital...

Image forming apparatus which corrects image forming conditions in...

Image forming apparatus

Image forming apparatus having plural image processing speeds and p...

Image processing apparatus and method for reproducing high quality...

Image processing apparatus and method for improving image reproduci...

Image forming apparatus

Fixing apparatus with power control based on temperature gradient

Image forming apparatus

Fixing device having a power supply control element for controlling...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF

IMAGE FORMATION SYSTEM, IMAGE FORMATION METHOD, AND IMAGE QUALITY I...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF

IMAGE FORMING APPARATUS

IMAGE-FORMING APPARATUS

IMAGE FORMING APPARATUS

Image forming apparatus capable of accomplishing uniformity in glos...

Image forming apparatus

Image forming apparatus using two or more toners for ordinary paper...

Image forming apparatus capable of changing usage ratio among multi...

Image forming apparatus capable of accomplishing uniformity in glos...

Image forming apparatus

Image forming apparatus with changeable toner returning electric fi...

Color image forming apparatus

Image forming apparatus

Image forming apparatus having plural image processing speeds and p...

Image forming apparatus which corrects image forming conditions in...

Image forming apparatus and manufacturing method thereof