Hisashi Nakajima

Person

Numadu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner, toner stored container, developer, developing device, proces...
- Patent number 11,287,757
- Issue date Mar 29, 2022
- Ricoh Company, Ltd.
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner stored unit, and image forming apparatus
- Patent number 11,256,188
- Issue date Feb 22, 2022
- Ricoh Company, Ltd.
- Akihiro Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner storage unit, image forming apparatus, imag...
- Patent number 10,627,732
- Issue date Apr 21, 2020
- Ricoh Company, Ltd.
- Kohtaroh Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming apparatus, image forming method, and toner sto...
- Patent number 10,599,059
- Issue date Mar 24, 2020
- Ricoh Company, Ltd.
- Namie Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming apparatus, and toner stored unit
- Patent number 10,578,988
- Issue date Mar 3, 2020
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming method
- Patent number 10,459,360
- Issue date Oct 29, 2019
- Ricoh Company, Ltd.
- Namie Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrophotography, image forming method, and process car...
- Patent number 10,274,856
- Issue date Apr 30, 2019
- Ricoh Company, Ltd.
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrophotography, developer for electrophotography, ima...
- Patent number 10,254,668
- Issue date Apr 9, 2019
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming method, and process cartridge
- Patent number 10,203,620
- Issue date Feb 12, 2019
- Ricoh Company, Ltd.
- Yu Naito
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
White toner, and image forming method and image forming apparatus u...
- Patent number 9,482,971
- Issue date Nov 1, 2016
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner housing container and image forming apparatus
- Patent number 9,348,259
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming apparatus, image forming method, and process c...
- Patent number 9,182,694
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for forming electrophotographic image, method for manufacturi...
- Patent number 9,128,398
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, developer using the carrier, and developing device, image...
- Patent number 9,029,061
- Issue date May 12, 2015
- Ricoh Company, Limited
- Koichi Sakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container, process cartridge, image forming...
- Patent number 9,012,117
- Issue date Apr 21, 2015
- Ricoh Company, Ltd.
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming method, and process cartridge
- Patent number 9,005,862
- Issue date Apr 14, 2015
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method and image forming method
- Patent number 8,877,418
- Issue date Nov 4, 2014
- Ricoh Company, Ltd.
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method, image forming apparatus, and process cartridge
- Patent number 8,741,529
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming method, and process cartridge
- Patent number 8,728,696
- Issue date May 20, 2014
- Ricoh Company, Ltd.
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer
- Patent number 8,703,376
- Issue date Apr 22, 2014
- Ricoh Company, Ltd.
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer
- Patent number 8,546,055
- Issue date Oct 1, 2013
- Ricoh Company, Ltd.
- Shinya Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, method for preparing the carrier, developer using the carr...
- Patent number 8,518,626
- Issue date Aug 27, 2013
- Ricoh Company, Limited
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for two-component developer
- Patent number 8,481,239
- Issue date Jul 9, 2013
- Ricoh Company Limited
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, method for preparing the carrier, developer using the carr...
- Patent number 8,475,989
- Issue date Jul 2, 2013
- Ricoh Company, Limited
- Yutaka Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container, process cartridge, image forming...
- Patent number 8,211,605
- Issue date Jul 3, 2012
- Ricoh Company, Ltd.
- Hiroshi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation method
- Patent number 7,939,235
- Issue date May 10, 2011
- Ricoh Company Limited
- Takahiro Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and toner for developing latent electrostatic...
- Patent number 7,935,469
- Issue date May 3, 2011
- Ricoh Company, Ltd.
- Takahiro Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, image forming apparatus and image forming method
- Patent number 7,642,032
- Issue date Jan 5, 2010
- Ricoh Company, Limited
- Hideki Sugiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus
- Patent number 7,608,377
- Issue date Oct 27, 2009
- Ricoh Company, Ltd.
- Shinya Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container, process cartridge, image forming...
- Patent number 7,566,521
- Issue date Jul 28, 2009
- Ricoh Company, Ltd.
- Akihiro Kotsugai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, IMAGE FOR...
- Publication number 20250013162
- Publication date Jan 9, 2025
- RICOH COMPANY, LTD.
- Ayaka Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCES...
- Publication number 20220128917
- Publication date Apr 28, 2022
- RICOH COMPANY, LTD.
- Hyo Shu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20210072656
- Publication date Mar 11, 2021
- Akihiro KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCES...
- Publication number 20200363743
- Publication date Nov 19, 2020
- Hisashi NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND TONER STO...
- Publication number 20190278191
- Publication date Sep 12, 2019
- Namie SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS, IMAG...
- Publication number 20180267418
- Publication date Sep 20, 2018
- Kohtaroh Ogino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND IMAGE FORMING METHOD
- Publication number 20180259864
- Publication date Sep 13, 2018
- Namie SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, AND TONER STORED UNIT
- Publication number 20180113391
- Publication date Apr 26, 2018
- Yoshitaka YAMAUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER FOR ELECTROPHOTOGRAPHY, IMA...
- Publication number 20180067409
- Publication date Mar 8, 2018
- Yoshitaka YAMAUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING METHOD, AND PROCESS CAR...
- Publication number 20160327884
- Publication date Nov 10, 2016
- Hisashi NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WHITE TONER, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS U...
- Publication number 20150253685
- Publication date Sep 10, 2015
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RED TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, DEVELOPER AND...
- Publication number 20150248074
- Publication date Sep 3, 2015
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20150030819
- Publication date Jan 29, 2015
- Yu Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348550
- Publication date Nov 27, 2014
- RICOH COMPANY, LTD.
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROPHOTOGRAPHY, AND IMAGE FORMING METHOD, IMAGE FORMI...
- Publication number 20140255840
- Publication date Sep 11, 2014
- Yoshitaka Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- Publication number 20130260299
- Publication date Oct 3, 2013
- Hisashi NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR FORMING IMAGE, IMAGE FORMING METHOD, AND IMAGE FORMING AP...
- Publication number 20130260302
- Publication date Oct 3, 2013
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20130260307
- Publication date Oct 3, 2013
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, METHOD FOR MANUFACTURI...
- Publication number 20130252160
- Publication date Sep 26, 2013
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS C...
- Publication number 20130244162
- Publication date Sep 19, 2013
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20120251169
- Publication date Oct 4, 2012
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND PROCESS CARTRIDGE
- Publication number 20120251168
- Publication date Oct 4, 2012
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20120237868
- Publication date Sep 20, 2012
- Saori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING METHOD AND IMAGE FORMING METHOD
- Publication number 20120028183
- Publication date Feb 2, 2012
- Hisashi NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...
- Publication number 20110229817
- Publication date Sep 22, 2011
- Saori YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, DEVELOPER USING THE CARRIER, AND DEVELOPING DEVICE, IMAGE...
- Publication number 20110171573
- Publication date Jul 14, 2011
- Koichi SAKATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND DEVELOPER
- Publication number 20110165508
- Publication date Jul 7, 2011
- Shinya Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...
- Publication number 20110091802
- Publication date Apr 21, 2011
- Yutaka TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER
- Publication number 20110086307
- Publication date Apr 14, 2011
- Hisashi NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...
- Publication number 20100316944
- Publication date Dec 16, 2010
- Hisashi Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hisashi Nakajima

Person

Patents Grantslast 30 patents

Toner, toner stored container, developer, developing device, proces...

Toner, toner stored unit, and image forming apparatus

Toner, developer, toner storage unit, image forming apparatus, imag...

Toner, image forming apparatus, image forming method, and toner sto...

Toner, image forming apparatus, and toner stored unit

Toner and image forming method

Toner for electrophotography, image forming method, and process car...

Toner for electrophotography, developer for electrophotography, ima...

Toner, image forming method, and process cartridge

White toner, and image forming method and image forming apparatus u...

Toner housing container and image forming apparatus

Toner, image forming apparatus, image forming method, and process c...

Toner for forming electrophotographic image, method for manufacturi...

Carrier, developer using the carrier, and developing device, image...

Toner, developer, toner container, process cartridge, image forming...

Toner, image forming method, and process cartridge

Developing method and image forming method

Image forming method, image forming apparatus, and process cartridge

Toner, image forming method, and process cartridge

Toner and developer

Toner and developer

Carrier, method for preparing the carrier, developer using the carr...

Carrier for two-component developer

Carrier, method for preparing the carrier, developer using the carr...

Toner, developer, toner container, process cartridge, image forming...

Image formation method

Image forming method and toner for developing latent electrostatic...

Toner, developer, image forming apparatus and image forming method

Image forming method and image forming apparatus

Toner, developer, toner container, process cartridge, image forming...

Patents Applicationslast 30 patents

TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, IMAGE FOR...

TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCES...

TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCES...

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

TONER, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS, IMAG...

TONER AND IMAGE FORMING METHOD

TONER, IMAGE FORMING APPARATUS, AND TONER STORED UNIT

TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER FOR ELECTROPHOTOGRAPHY, IMA...

TONER FOR ELECTROPHOTOGRAPHY, IMAGE FORMING METHOD, AND PROCESS CAR...

WHITE TONER, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS U...

RED TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, DEVELOPER AND...

TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

TONER FOR ELECTROPHOTOGRAPHY, AND IMAGE FORMING METHOD, IMAGE FORMI...

IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

TONER FOR FORMING IMAGE, IMAGE FORMING METHOD, AND IMAGE FORMING AP...

TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

TONER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, METHOD FOR MANUFACTURI...

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

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND PROCESS CARTRIDGE

TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

DEVELOPING METHOD AND IMAGE FORMING METHOD

CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...

CARRIER, DEVELOPER USING THE CARRIER, AND DEVELOPING DEVICE, IMAGE...

TONER AND DEVELOPER

CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...

CARRIER FOR TWO-COMPONENT DEVELOPER

TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...