Hirokatsu Suzuki

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method of switching collected developer...
- Patent number 9,442,429
- Issue date Sep 13, 2016
- Ricoh Company, Ltd.
- Tetsuto Ueda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that selectively recycles developer
- Patent number 9,316,997
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Tetsuto Ueda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with fixing unit adapted to fix toner inclu...
- Patent number 9,223,261
- Issue date Dec 29, 2015
- Ricoh Company, Ltd.
- Hirohmi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus for transforming a...
- Patent number 9,052,643
- Issue date Jun 9, 2015
- Ricoh Company, Limited
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder refilling device, process cartridge and image including same...
- Patent number 9,042,778
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Kazuya Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,026,007
- Issue date May 5, 2015
- Ricoh Company, Ltd.
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and image forming apparatus
- Patent number 8,824,922
- Issue date Sep 2, 2014
- Ricoh Company, Limited
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,433,216
- Issue date Apr 30, 2013
- Ricoh Company, Limited
- Satoru Ishikake
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,422,897
- Issue date Apr 16, 2013
- Ricoh Company, Limited
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus preventing gaps between a conveyor belt and...
- Patent number 8,385,793
- Issue date Feb 26, 2013
- Ricoh Company, Limited
- Masaharu Furuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for fixing an image
- Patent number 8,126,346
- Issue date Feb 28, 2012
- Ricoh Company, Ltd.
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a cleaner-less image carrier clea...
- Patent number 7,941,075
- Issue date May 10, 2011
- Ricoh Company, Ltd.
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus for transfer and fixing image wi...
- Patent number 7,884,840
- Issue date Feb 8, 2011
- Ricoh Co., Ltd.
- Norimasa Sohmiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using two-component developer and image forming a...
- Patent number 7,835,671
- Issue date Nov 16, 2010
- Ricoh Company, Ltd.
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit and image forming apparatus including the same
- Patent number 7,796,920
- Issue date Sep 14, 2010
- Ricoh Company, Ltd.
- Kenichi Taguma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method using pseudo half...
- Patent number 7,724,394
- Issue date May 25, 2010
- Ricoh Company, Limited
- Kei Yasutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Development apparatus, process cartridge, and image forming apparatus
- Patent number 7,627,260
- Issue date Dec 1, 2009
- Ricoh Company, Ltd.
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for fixing an image
- Patent number 7,620,336
- Issue date Nov 17, 2009
- Ricoh Co., Ltd.
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, a developing method, a process cartridge and an...
- Patent number 7,593,671
- Issue date Sep 22, 2009
- Ricoh Company, Ltd.
- Emiko Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit having improved agent recovery and supply system an...
- Patent number 7,577,387
- Issue date Aug 18, 2009
- Ricoh Co., Ltd.
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 7,212,753
- Issue date May 1, 2007
- Ricoh Company, Limited
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,978,109
- Issue date Dec 20, 2005
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,757,509
- Issue date Jun 29, 2004
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Density unevenness suppressing image forming apparatus and method
- Patent number 6,686,946
- Issue date Feb 3, 2004
- Ricoh Company, Ltd.
- Koji Masuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus including diamond-like or amorphous structu...
- Patent number 6,654,579
- Issue date Nov 25, 2003
- Ricoh Company, Ltd.
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a diamond-like structure surface pro...
- Patent number 6,625,409
- Issue date Sep 23, 2003
- Ricoh Company, Ltd.
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including preselected range between charge...
- Patent number 6,366,751
- Issue date Apr 2, 2002
- Ricoh Company, Ltd.
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing bias control unit
- Patent number 5,970,280
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,937,228
- Issue date Aug 10, 1999
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF SWITCHING COLLECTED DEVELOPER...
- Publication number 20160041504
- Publication date Feb 11, 2016
- RICOH COMPANY, LTD.
- Tetsuto UEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150227108
- Publication date Aug 13, 2015
- RICOH COMPANY, LTD.
- Tetsuto Ueda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER REFILLING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARA...
- Publication number 20140027012
- Publication date Jan 30, 2014
- RICOH COMPANY, LTD.
- Kazuya SAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- Publication number 20130164053
- Publication date Jun 27, 2013
- Takashi BISAIJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130156466
- Publication date Jun 20, 2013
- Takashi BISAIJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH FIXING UNIT
- Publication number 20130011171
- Publication date Jan 10, 2013
- RICOH COMPANY, LTD.
- Hirohmi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20120177406
- Publication date Jul 12, 2012
- RICOH COMPANY, LIMITED
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110164895
- Publication date Jul 7, 2011
- Satoru Ishikake
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110058832
- Publication date Mar 10, 2011
- Hirokatsu SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110013950
- Publication date Jan 20, 2011
- Masaharu FURUYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR FIXING AN IMAGE
- Publication number 20100021195
- Publication date Jan 28, 2010
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090311006
- Publication date Dec 17, 2009
- Emiko SHIRAISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL BIAS CONTROL METHOD OF INSULATING TONER AND IMAGE FORMING A...
- Publication number 20080124106
- Publication date May 29, 2008
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE USING TWO-COMPONENT DEVELOPER AND IMAGE FORMING A...
- Publication number 20080085137
- Publication date Apr 10, 2008
- Hirokatsu SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20070274741
- Publication date Nov 29, 2007
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
A DEVELOPING DEVICE, A DEVELOPING METHOD, A PROCESS CARTRIDGE AND A...
- Publication number 20070127951
- Publication date Jun 7, 2007
- Emiko Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20070122202
- Publication date May 31, 2007
- KENICHI TAGUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing unit having improved agent recovery and supply system an...
- Publication number 20070025776
- Publication date Feb 1, 2007
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and apparatus for transfer and fixing image wi...
- Publication number 20070014596
- Publication date Jan 18, 2007
- Norimasa Sohmiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method for fixing an image
- Publication number 20050254846
- Publication date Nov 17, 2005
- Jun Yura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20050152707
- Publication date Jul 14, 2005
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20050088697
- Publication date Apr 28, 2005
- Kei Yasutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus
- Publication number 20040175207
- Publication date Sep 9, 2004
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030063923
- Publication date Apr 3, 2003
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having a diamond-like structure surface pro...
- Publication number 20030049050
- Publication date Mar 13, 2003
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020122675
- Publication date Sep 5, 2002
- RICOH COMPANY, LTD.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hirokatsu Suzuki

Person

Patents Grantslast 30 patents

Image forming apparatus and method of switching collected developer...

Image forming apparatus that selectively recycles developer

Image forming apparatus with fixing unit adapted to fix toner inclu...

Image forming method and image forming apparatus for transforming a...

Powder refilling device, process cartridge and image including same...

Image forming apparatus

Toner container and image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus preventing gaps between a conveyor belt and...

Apparatus and method for fixing an image

Image forming apparatus including a cleaner-less image carrier clea...

Image forming method and apparatus for transfer and fixing image wi...

Developing device using two-component developer and image forming a...

Developing unit and image forming apparatus including the same

Image forming apparatus and image forming method using pseudo half...

Development apparatus, process cartridge, and image forming apparatus

Apparatus and method for fixing an image

Developing device, a developing method, a process cartridge and an...

Developing unit having improved agent recovery and supply system an...

Image forming apparatus and process cartridge

Image forming apparatus

Image forming apparatus

Density unevenness suppressing image forming apparatus and method

Image forming apparatus including diamond-like or amorphous structu...

Image forming apparatus having a diamond-like structure surface pro...

Image forming apparatus including preselected range between charge...

Image forming apparatus having a developing bias control unit

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND METHOD OF SWITCHING COLLECTED DEVELOPER...

IMAGE FORMING APPARATUS

POWDER REFILLING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARA...

IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS WITH FIXING UNIT

TONER CONTAINER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR FIXING AN IMAGE

IMAGE FORMING APPARATUS

OPTICAL BIAS CONTROL METHOD OF INSULATING TONER AND IMAGE FORMING A...

DEVELOPING DEVICE USING TWO-COMPONENT DEVELOPER AND IMAGE FORMING A...

DEVELOPMENT APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

A DEVELOPING DEVICE, A DEVELOPING METHOD, A PROCESS CARTRIDGE AND A...

DEVELOPING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME

Developing unit having improved agent recovery and supply system an...

Image forming method and apparatus for transfer and fixing image wi...

Apparatus and method for fixing an image

Image forming apparatus and process cartridge

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus

Image forming apparatus having a diamond-like structure surface pro...

Image forming apparatus