Hiroaki Katoh

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 11,921,453
- Issue date Mar 5, 2024
- Ricoh Company, Ltd.
- Shintaro Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, image forming apparatus,...
- Patent number 9,448,501
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Ryota Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, process cartridge, and image forming apparatus
- Patent number 9,152,066
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Ryota Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developing device, process cartridge including image developi...
- Patent number 8,805,222
- Issue date Aug 12, 2014
- Ricoh Company, Ltd.
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for non-magnetic one-component developer, method of preparing...
- Patent number 8,329,371
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method, image forming apparatus and process cartridge
- Patent number 8,192,910
- Issue date Jun 5, 2012
- Ricoh Company, Limited
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming method and process cartridge u...
- Patent number 8,103,199
- Issue date Jan 24, 2012
- Ricoh Company Limited
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developer using one-component developer
- Patent number 8,041,270
- Issue date Oct 18, 2011
- Ricoh Company, Limited
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, and oilless fixing method and process cartridge using the toner
- Patent number 8,021,814
- Issue date Sep 20, 2011
- Ricoh Company Limited
- Masayuki Hagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Full-color toner kit, process cartridge, and image forming method
- Patent number 8,007,973
- Issue date Aug 30, 2011
- Ricoh Company, Limited
- Kazuoki Fuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer including the toner, and image forming method and...
- Patent number 7,981,593
- Issue date Jul 19, 2011
- Ricoh Company Limited
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, developer therefor, and image forming method and...
- Patent number 7,970,323
- Issue date Jun 28, 2011
- Ricoh Company, Ltd.
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Single component development device, process cartridge and toner
- Patent number 7,873,300
- Issue date Jan 18, 2011
- Ricoh Company Limited
- Kazuoki Fuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-magnetic toner for one-component development and method of prep...
- Patent number 7,867,680
- Issue date Jan 11, 2011
- Ricoh Company Limited
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming method using the toner
- Patent number 7,838,193
- Issue date Nov 23, 2010
- Ricoh Company Limited
- Masayuki Hagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, and image forming method...
- Patent number 7,727,694
- Issue date Jun 1, 2010
- Ricoh Company Limited
- Hiroyuki Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer and image forming method using the developer
- Patent number 7,695,885
- Issue date Apr 13, 2010
- Ricoh Company Limited
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer, toner container, process cartridge, image form...
- Patent number 7,635,549
- Issue date Dec 22, 2009
- Ricoh Company, Ltd.
- Minoru Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, fixing method and image forming method using the toner
- Patent number 7,632,619
- Issue date Dec 15, 2009
- Ricoh Company Limited
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, and image forming method, image forming apparatus, and proce...
- Patent number 7,556,906
- Issue date Jul 7, 2009
- Ricoh Company Limited
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND PRINT MEDIUM
- Publication number 20240280927
- Publication date Aug 22, 2024
- RICOH COMPANY, LTD.
- Shintaro YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230135510
- Publication date May 4, 2023
- Shintaro YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR DEVELOPING ELECTROSTATIC IMAGE, IMAGE FORMING APPARATUS,...
- Publication number 20140363209
- Publication date Dec 11, 2014
- Ryota Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130244157
- Publication date Sep 19, 2013
- Ryota INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING IMAGE DEVELOPI...
- Publication number 20130058670
- Publication date Mar 7, 2013
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20100009282
- Publication date Jan 14, 2010
- Hiroaki KATOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NON-MAGNETIC TONER FOR ONE-COMPONENT DEVELOPMENT AND METHOD OF PREP...
- Publication number 20090186291
- Publication date Jul 23, 2009
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ONE-COMPONENT DEVELOPER
- Publication number 20090117481
- Publication date May 7, 2009
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND TONER
- Publication number 20090052952
- Publication date Feb 26, 2009
- Hiroaki KATOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SINGLE COMPONENT DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND TONER
- Publication number 20090041511
- Publication date Feb 12, 2009
- KAZUOKI FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, DEVELOPER THEREFOR, AND IMAGE FORMING METHOD AND...
- Publication number 20080304875
- Publication date Dec 11, 2008
- RICOH COMPANY, LTD.
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, AND OILLESS FIXING METHOD AND PROCESS CARTRIDGE USING THE TONER
- Publication number 20080233506
- Publication date Sep 25, 2008
- Masayuki Hagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING METHOD USING ONE COMPONENT DEVE...
- Publication number 20080227009
- Publication date Sep 18, 2008
- Kazuoki FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE DEVELOPER USING ONE-COMPONENT DEVELOPER
- Publication number 20080226356
- Publication date Sep 18, 2008
- Hideaki YASUNAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, and image forming method and process cartridge u...
- Publication number 20080175630
- Publication date Jul 24, 2008
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FULL-COLOR TONER KIT, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD
- Publication number 20080159777
- Publication date Jul 3, 2008
- Kazuoki Fuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR NON-MAGNETIC ONE-COMPONENT DEVELOPER, METHOD OF PREPARING...
- Publication number 20080153018
- Publication date Jun 26, 2008
- Yoshihiro MIKURIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20080101823
- Publication date May 1, 2008
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR DEVELOPING ELECTROSTATIC IMAGE, AND IMAGE FORMING METHOD...
- Publication number 20080069598
- Publication date Mar 20, 2008
- Hiroyuki MURAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER INCLUDING THE TONER, AND IMAGE FORMING METHOD AND...
- Publication number 20080069608
- Publication date Mar 20, 2008
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER AND IMAGE FORMING METHOD USING THE DEVELOPER
- Publication number 20080038656
- Publication date Feb 14, 2008
- Hideaki YASUNAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OILLESS-FIXING TONER, AND IMAGE FORMING METHOD, APPARATUS AND PROCE...
- Publication number 20070238042
- Publication date Oct 11, 2007
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20070190443
- Publication date Aug 16, 2007
- Masayuki Hagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCE...
- Publication number 20070122729
- Publication date May 31, 2007
- Hiroaki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, image forming method and process cartridge
- Publication number 20070026335
- Publication date Feb 1, 2007
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, fixing method and image forming method using the toner
- Publication number 20060292474
- Publication date Dec 28, 2006
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and developer, toner container, process cartridge, image form...
- Publication number 20060210902
- Publication date Sep 21, 2006
- Minoru Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroaki Katoh

Person

Patents Grantslast 30 patents

Image forming apparatus

Toner for developing electrostatic image, image forming apparatus,...

Toner, developer, process cartridge, and image forming apparatus

Image developing device, process cartridge including image developi...

Toner for non-magnetic one-component developer, method of preparing...

Image forming method, image forming apparatus and process cartridge

Developing device, and image forming method and process cartridge u...

Image developer using one-component developer

Toner, and oilless fixing method and process cartridge using the toner

Full-color toner kit, process cartridge, and image forming method

Toner, developer including the toner, and image forming method and...

Developing device, developer therefor, and image forming method and...

Single component development device, process cartridge and toner

Non-magnetic toner for one-component development and method of prep...

Toner and image forming method using the toner

Toner for developing electrostatic image, and image forming method...

Developer and image forming method using the developer

Toner and developer, toner container, process cartridge, image form...

Toner, fixing method and image forming method using the toner

Toner, and image forming method, image forming apparatus, and proce...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND PRINT MEDIUM

IMAGE FORMING APPARATUS

TONER FOR DEVELOPING ELECTROSTATIC IMAGE, IMAGE FORMING APPARATUS,...

TONER, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

IMAGE DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING IMAGE DEVELOPI...

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

NON-MAGNETIC TONER FOR ONE-COMPONENT DEVELOPMENT AND METHOD OF PREP...

TONER FOR ONE-COMPONENT DEVELOPER

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND TONER

SINGLE COMPONENT DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND TONER

DEVELOPING DEVICE, DEVELOPER THEREFOR, AND IMAGE FORMING METHOD AND...

TONER, AND OILLESS FIXING METHOD AND PROCESS CARTRIDGE USING THE TONER

DEVELOPING DEVICE AND IMAGE FORMING METHOD USING ONE COMPONENT DEVE...

IMAGE DEVELOPER USING ONE-COMPONENT DEVELOPER

Developing device, and image forming method and process cartridge u...

FULL-COLOR TONER KIT, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD

TONER FOR NON-MAGNETIC ONE-COMPONENT DEVELOPER, METHOD OF PREPARING...

DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

TONER FOR DEVELOPING ELECTROSTATIC IMAGE, AND IMAGE FORMING METHOD...

TONER, DEVELOPER INCLUDING THE TONER, AND IMAGE FORMING METHOD AND...

DEVELOPER AND IMAGE FORMING METHOD USING THE DEVELOPER

OILLESS-FIXING TONER, AND IMAGE FORMING METHOD, APPARATUS AND PROCE...

TONER, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE...

TONER, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCE...

Toner, image forming method and process cartridge

Toner, fixing method and image forming method using the toner

Toner and developer, toner container, process cartridge, image form...