Yoshitaka Yamauchi

Person

Shizuoka, 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, image forming apparatus, image forming method, and toner acc...
- Patent number 11,215,936
- Issue date Jan 4, 2022
- Ricoh Company, Ltd.
- Namie Suzuki
- 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
Toner, toner housing unit, image forming apparatus, and image formi...
- Patent number 10,156,802
- Issue date Dec 18, 2018
- Ricoh Company, Ltd.
- Akihiro Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin composition for toner, toner, developer and image forming app...
- Patent number 9,606,464
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner
- Patent number 9,557,666
- Issue date Jan 31, 2017
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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, developer, image forming apparatus, and process cartridge
- Patent number 9,482,975
- Issue date Nov 1, 2016
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, method of manufacturing the toner, and developer, image form...
- Patent number 9,470,996
- Issue date Oct 18, 2016
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, and image forming apparatus
- Patent number 9,442,403
- Issue date Sep 13, 2016
- Ricoh Company, Ltd.
- Azumi Miyaake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, two-component developer, toner set, toner container, printed...
- Patent number 9,360,780
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner, two-component developer containing toner...
- Patent number 9,354,533
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Rintaro Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, method for producing the toner, two-component developer, and...
- Patent number 9,348,245
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Tatsuya Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner, developer containing the toner, and imag...
- Patent number 9,141,013
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Yoshihiro Moriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin for use in toner, toner using the resin, developer using the...
- Patent number 9,128,397
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Yukiko Nakajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin for toner, toner using the resin, and development agent using...
- Patent number 9,127,118
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Hideyuki Santo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polymer, device for producing polymer, device...
- Patent number 9,029,481
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Taichi Nemoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
White toner, method for producing the same, and development agent,...
- Patent number 9,012,113
- Issue date Apr 21, 2015
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer
- Patent number 9,012,116
- Issue date Apr 21, 2015
- Ricoh Company, Ltd.
- Daiki Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer including the toner, image forming apparatus using...
- Patent number 8,932,790
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image forming toner and developer
- Patent number 8,895,217
- Issue date Nov 25, 2014
- Ricoh Company, Ltd.
- Daisuke Asahina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Particles and method for producing the same, toner and method for p...
- Patent number 8,877,420
- Issue date Nov 4, 2014
- Ricoh Company, Ltd.
- Chiaki Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer particle and method for producing the same
- Patent number 8,846,810
- Issue date Sep 30, 2014
- Ricoh Company, Ltd.
- Nobuyuki Mase
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND METHOD OF...
- Publication number 20240377770
- Publication date Nov 14, 2024
- RICOH COMPANY, LTD.
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TWO-COMPONENT DEVELOPING AGENT, DEVELOPING AGENT ACCOMMODATING UNIT...
- Publication number 20240280921
- Publication date Aug 22, 2024
- RICOH COMPANY, LTD.
- Kohtaroh OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPING AGENT, TONER ACCOMMODATING UNIT, IMAGE FORMING AP...
- Publication number 20240012344
- Publication date Jan 11, 2024
- RICOH COMPANY, LTD.
- Kohtaroh OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER
- Publication number 20230251588
- Publication date Aug 10, 2023
- Ayaka MORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND...
- Publication number 20230205107
- Publication date Jun 29, 2023
- Kohtaroh OGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, IMAGE FORMATION METHOD, AND PRINTED...
- Publication number 20230205105
- Publication date Jun 29, 2023
- Yoshitaka YAMAUCHI
- 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 ACC...
- Publication number 20200174391
- Publication date Jun 4, 2020
- Namie SUZUKI
- 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, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMI...
- Publication number 20170139337
- Publication date May 18, 2017
- Akihiro KANEKO
- 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
TONER, METHOD OF MANUFACTURING THE TONER, AND DEVELOPER, IMAGE FORM...
- Publication number 20150253688
- Publication date Sep 10, 2015
- Yoshitaka YAMAUCHI
- 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, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20150220011
- Publication date Aug 6, 2015
- Azumi Miyaake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20150212444
- Publication date Jul 30, 2015
- Yoshitaka YAMAUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RESIN COMPOSITION FOR TONER, TONER, DEVELOPER AND IMAGE FORMING APP...
- Publication number 20150153671
- Publication date Jun 4, 2015
- Yoshitaka Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, METHOD FOR PRODUCING THE TONER, TWO-COMPONENT DEVELOPER, AND...
- Publication number 20150037718
- Publication date Feb 5, 2015
- Tatsuya Morita
- 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
POLYMER PARTICLE AND METHOD FOR PRODUCING THE SAME
- Publication number 20140371420
- Publication date Dec 18, 2014
- Nobuyuki MASE
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTROPHOTOGRAPHIC TONER, DEVELOPER CONTAINING THE TONER, AND IMAG...
- Publication number 20140342284
- Publication date Nov 20, 2014
- Yoshihiro MORIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER
- Publication number 20140342286
- Publication date Nov 20, 2014
- Yoshitaka Yamauchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYMER, DEVICE FOR PRODUCING POLYMER, DEVICE...
- Publication number 20140296448
- Publication date Oct 2, 2014
- Taichi Nemoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Yoshitaka Yamauchi

Person

Patents Grantslast 30 patents

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

Toner, toner stored unit, and image forming apparatus

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

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

Toner, toner housing unit, image forming apparatus, and image formi...

Resin composition for toner, toner, developer and image forming app...

Toner

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

Toner, developer, image forming apparatus, and process cartridge

Toner, method of manufacturing the toner, and developer, image form...

Toner, developer, and image forming apparatus

Toner, two-component developer, toner set, toner container, printed...

Electrophotographic toner, two-component developer containing toner...

Toner, method for producing the toner, two-component developer, and...

Electrophotographic toner, developer containing the toner, and imag...

Resin for use in toner, toner using the resin, developer using the...

Resin for toner, toner using the resin, and development agent using...

Method for producing polymer, device for producing polymer, device...

White toner, method for producing the same, and development agent,...

Toner and developer

Toner, developer including the toner, image forming apparatus using...

Electrostatic image forming toner and developer

Particles and method for producing the same, toner and method for p...

Polymer particle and method for producing the same

Patents Applicationslast 30 patents

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

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

TWO-COMPONENT DEVELOPING AGENT, DEVELOPING AGENT ACCOMMODATING UNIT...

TONER, DEVELOPING AGENT, TONER ACCOMMODATING UNIT, IMAGE FORMING AP...

TONER

TONER, DEVELOPER, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND...

TONER, IMAGE FORMING APPARATUS, IMAGE FORMATION METHOD, AND PRINTED...

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 ACC...

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, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMI...

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

TONER, METHOD OF MANUFACTURING THE TONER, AND DEVELOPER, IMAGE FORM...

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

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

TONER, DEVELOPER, AND IMAGE FORMING APPARATUS

TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

RESIN COMPOSITION FOR TONER, TONER, DEVELOPER AND IMAGE FORMING APP...

TONER, METHOD FOR PRODUCING THE TONER, TWO-COMPONENT DEVELOPER, AND...

TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

POLYMER PARTICLE AND METHOD FOR PRODUCING THE SAME

ELECTROPHOTOGRAPHIC TONER, DEVELOPER CONTAINING THE TONER, AND IMAG...

TONER

METHOD FOR PRODUCING POLYMER, DEVICE FOR PRODUCING POLYMER, DEVICE...