Atsushi Takehara

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,164,435
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a toner container in which the toner...
- Patent number 8,706,010
- Issue date Apr 22, 2014
- Ricoh Company, Ltd.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner supply method
- Patent number 8,594,519
- Issue date Nov 26, 2013
- Ricoh Company, Ltd.
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply method, development device, process unit, and image fo...
- Patent number 8,571,426
- Issue date Oct 29, 2013
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, image forming apparatus, and process cartridge
- Patent number 8,503,892
- Issue date Aug 6, 2013
- Ricoh Company, Limited
- Kohta Sakaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner supply method
- Patent number 8,483,583
- Issue date Jul 9, 2013
- Ricoh Company, Ltd.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which mixes new unused toner with used old...
- Patent number 8,452,216
- Issue date May 28, 2013
- Ricoh Company, Limited
- Tetsumaru Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,295,717
- Issue date Oct 23, 2012
- Ricoh Company, Limited
- Rumi Miyazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, process cartridge and image for...
- Patent number 8,257,891
- Issue date Sep 4, 2012
- Ricoh Company, Ltd.
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner consumption-calculating apparatus, image forming apparatus, a...
- Patent number 7,885,566
- Issue date Feb 8, 2011
- Ricoh Company, Limited
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit and image forming apparatus
- Patent number 7,801,471
- Issue date Sep 21, 2010
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a metallic driving roller
- Patent number 7,734,235
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tandem intermediate-transfer type image forming apparatus
- Patent number 7,636,539
- Issue date Dec 22, 2009
- Ricoh Company Limited
- Akihiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for detecting amount of toner deposit and controlling den...
- Patent number 7,610,004
- Issue date Oct 27, 2009
- Ricoh Company, Ltd.
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit and image forming apparatus
- Patent number 7,499,669
- Issue date Mar 3, 2009
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image transferring unit for the same
- Patent number 7,440,720
- Issue date Oct 21, 2008
- Ricoh Company, Ltd.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Primary transfer unit of image forming apparatus
- Patent number 7,428,400
- Issue date Sep 23, 2008
- Ricoh Company, Limited
- Yoshie Iwakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for evaluating changes in resistance of electric resistance...
- Patent number 7,280,792
- Issue date Oct 9, 2007
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for detecting amount of toner deposit and controlling den...
- Patent number 7,203,433
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tandem color image forming apparatus with an image transfer belt an...
- Patent number 7,174,124
- Issue date Feb 6, 2007
- Ricoh Company, Ltd.
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus having a variable controlled speed ratio
- Patent number 7,139,497
- Issue date Nov 21, 2006
- Ricoh Company, Ltd.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Intermediate image transfer device for a color image forming apparatus
- Patent number 7,003,238
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Ken Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device for setting a suitable recording medium adsorbing b...
- Patent number 6,782,227
- Issue date Aug 24, 2004
- Ricoh Company, Ltd.
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus with toner recycling
- Patent number 6,366,754
- Issue date Apr 2, 2002
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming apparatus capable of accurat...
- Patent number 6,334,039
- Issue date Dec 25, 2001
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming an image capable of supplying a pr...
- Patent number 6,295,438
- Issue date Sep 25, 2001
- Ricoh Company, Ltd.
- Takatsugu Fujishiro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method of producing light quantity corr...
- Patent number 6,292,206
- Issue date Sep 18, 2001
- Ricoh Company, Ltd.
- Atsushi Takehara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus and image forming method for forming color...
- Patent number 6,249,304
- Issue date Jun 19, 2001
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140153982
- Publication date Jun 5, 2014
- RICOH COMPANY, LTD.
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120033996
- Publication date Feb 9, 2012
- Atsushi TAKEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLY METHOD, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...
- Publication number 20120033982
- Publication date Feb 9, 2012
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD
- Publication number 20110217055
- Publication date Sep 8, 2011
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD
- Publication number 20110194864
- Publication date Aug 11, 2011
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20110188896
- Publication date Aug 4, 2011
- Kohta SAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110064473
- Publication date Mar 17, 2011
- Tetsumaru Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE AND IMAGE FOR...
- Publication number 20100178074
- Publication date Jul 15, 2010
- RICOH COMPANY, LTD.
- Naoki NAKATAKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100098441
- Publication date Apr 22, 2010
- Rumi MIYAZAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20090129830
- Publication date May 21, 2009
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONSUMPTION-CALCULATING APPARATUS, IMAGE FORMING APPARATUS, A...
- Publication number 20080075480
- Publication date Mar 27, 2008
- Rumi Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20070160396
- Publication date Jul 12, 2007
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS FOR DETECTING AMOUNT OF TONER DEPOSIT AND CONTROLLING DEN...
- Publication number 20070134014
- Publication date Jun 14, 2007
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20060257176
- Publication date Nov 16, 2006
- Akihiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20060210327
- Publication date Sep 21, 2006
- Yoshie Iwakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20060210326
- Publication date Sep 21, 2006
- Atsushi TAKEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image transferring unit for the same
- Publication number 20060170936
- Publication date Aug 3, 2006
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus for detecting amount of toner deposit and controlling den...
- Publication number 20050147424
- Publication date Jul 7, 2005
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for evaluating changes in resistance of electric resistance...
- Publication number 20050013636
- Publication date Jan 20, 2005
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus
- Publication number 20040156653
- Publication date Aug 12, 2004
- RICOH COMPANY, LTD.
- Atsushi Takehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Intermediate image transfer type of color image forming apparatus
- Publication number 20040136760
- Publication date Jul 15, 2004
- Ken Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Tandem color image forming apparatus
- Publication number 20040109709
- Publication date Jun 10, 2004
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device for setting a suitable recording medium adsorbing b...
- Publication number 20030108367
- Publication date Jun 12, 2003
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Atsushi Takehara

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus

Image forming apparatus using a toner container in which the toner...

Image forming apparatus and toner supply method

Toner supply method, development device, process unit, and image fo...

Developing unit, image forming apparatus, and process cartridge

Image forming apparatus and toner supply method

Image forming apparatus which mixes new unused toner with used old...

Image forming apparatus

Electrophotographic photoconductor, process cartridge and image for...

Toner consumption-calculating apparatus, image forming apparatus, a...

Transfer unit and image forming apparatus

Image forming apparatus including a metallic driving roller

Tandem intermediate-transfer type image forming apparatus

Apparatus for detecting amount of toner deposit and controlling den...

Transfer unit and image forming apparatus

Image forming apparatus and image transferring unit for the same

Primary transfer unit of image forming apparatus

Method for evaluating changes in resistance of electric resistance...

Apparatus for detecting amount of toner deposit and controlling den...

Tandem color image forming apparatus with an image transfer belt an...

Color image forming apparatus having a variable controlled speed ratio

Intermediate image transfer device for a color image forming apparatus

Transfer device for setting a suitable recording medium adsorbing b...

Color image forming apparatus with toner recycling

Method and apparatus for image forming apparatus capable of accurat...

Method and apparatus for forming an image capable of supplying a pr...

Image forming apparatus and method of producing light quantity corr...

Image forming apparatus and image forming method for forming color...

Patents Applicationslast 30 patents

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TONER SUPPLY METHOD, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...

IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD

IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD

DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE AND IMAGE FOR...

IMAGE FORMING APPARATUS

TRANSFER UNIT AND IMAGE FORMING APPARATUS

TONER CONSUMPTION-CALCULATING APPARATUS, IMAGE FORMING APPARATUS, A...

TRANSFER UNIT AND IMAGE FORMING APPARATUS

APPARATUS FOR DETECTING AMOUNT OF TONER DEPOSIT AND CONTROLLING DEN...

Image forming apparatus

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

Image forming apparatus and image transferring unit for the same

Apparatus for detecting amount of toner deposit and controlling den...

Method for evaluating changes in resistance of electric resistance...

Color image forming apparatus

Intermediate image transfer type of color image forming apparatus

Tandem color image forming apparatus

Transfer device for setting a suitable recording medium adsorbing b...