Hiroshi Yamashita

Person

Namazu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner, method of manufacturing toner, toner storage unit, image for...
- Patent number 12,078,961
- Issue date Sep 3, 2024
- Ricoh Company, Ltd.
- Yuka Mizoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner stored unit, and image forming apparatus
- Patent number 11,061,343
- Issue date Jul 13, 2021
- Ricoh Company, Ltd.
- Yuka Mizoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner set
- Patent number 10,895,816
- Issue date Jan 19, 2021
- Ricoh Company, Ltd.
- Minoru Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner stored unit, image forming apparatus, and method for p...
- Patent number 10,545,421
- Issue date Jan 28, 2020
- Ricoh Company, Ltd.
- Yuka Mizoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, method for producing toner, toner storage unit, and image fo...
- Patent number 10,520,843
- Issue date Dec 31, 2019
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, process cartridge, image forming apparatus, image...
- Patent number 10,429,756
- Issue date Oct 1, 2019
- Ricoh Company, Ltd.
- Kazuoki Fuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner housing unit, image forming apparatus, and image formi...
- Patent number 10,126,678
- Issue date Nov 13, 2018
- Ricoh Company, Ltd.
- Shizuka Hashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, image forming apparatus and toner housing unit
- Patent number 9,964,873
- Issue date May 8, 2018
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin for toner, toner, developer, image forming apparatus, and pro...
- Patent number 9,885,967
- Issue date Feb 6, 2018
- Ricoh Company, Ltd.
- Azumi Miyaake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, image forming apparatus, and image forming method
- Patent number 9,851,649
- Issue date Dec 26, 2017
- Ricoh Company, Ltd.
- Keiji Makabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, image forming apparatus, and process cartridge
- Patent number 9,785,075
- Issue date Oct 10, 2017
- Ricoh Company, Ltd.
- Shinya Nakayama
- 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, developer, and image forming apparatus
- Patent number 9,563,141
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Tsuyoshi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, and color toner set
- Patent number 9,557,670
- Issue date Jan 31, 2017
- Ricoh Company, Ltd.
- Masana Shiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magenta toner, developer, and image forming apparatus
- Patent number 9,488,925
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Ryuta Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, process cartridge, developer, and image forming apparatus
- Patent number 9,477,165
- Issue date Oct 25, 2016
- Ricoh Company, Ltd.
- Azumi Miyaake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for forming electrostatic image, developer, process cartridge...
- Patent number 9,239,530
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Daisuke Asahina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer and image forming apparatus
- Patent number 9,207,553
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Tsuyoshi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, development agent, image forming apparatus, and process cart...
- Patent number 9,176,406
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Satoyuki Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, and full-color image forming method and full-color image for...
- Patent number 9,152,069
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Masaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, development agent, and image forming apparatus
- Patent number 9,152,067
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Susumu Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming method
- Patent number 9,034,548
- Issue date May 19, 2015
- Ricoh Company, Ltd.
- Tatsuru Moritani
- 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
Yellow toner and color image forming method
- Patent number 8,986,916
- Issue date Mar 24, 2015
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, and image forming method
- Patent number 8,932,788
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Shinichi Wakamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer
- Patent number 8,932,789
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Tsuyoshi Sugimoto
- 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
Toner, development agent, and image forming apparatus using the same
- Patent number 8,883,385
- Issue date Nov 11, 2014
- Ricoh Company, Ltd.
- Shingo Sakashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner and toner manufactured by the method
- Patent number 8,846,289
- Issue date Sep 30, 2014
- Ricoh Company, Ltd.
- Satoshi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developer
- Patent number 8,795,940
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Tsuyoshi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, METHOD OF MANUFACTURING TONER, TONER STORAGE UNIT, IMAGE FOR...
- Publication number 20230026448
- Publication date Jan 26, 2023
- RICOH COMPANY, LTD.
- Hiroshi YAMASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS AND METHOD OF FO...
- Publication number 20220342332
- Publication date Oct 27, 2022
- RICOH COMPANY, LTD.
- Toshihiko SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, RESIN PARTICLES, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMIN...
- Publication number 20220197165
- Publication date Jun 23, 2022
- RICOH COMPANY, LTD.
- Tomomi Harashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, METHOD OF MANUFACTURING TONER, TONER STORAGE UNIT, IMAGE FOR...
- Publication number 20220057726
- Publication date Feb 24, 2022
- RICOH COMPANY, LTD.
- Yuka Mizoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR DEVELOPING ELECTROSTATIC IMAGE, TONER ACCOMMODATING UNIT,...
- Publication number 20200301298
- Publication date Sep 24, 2020
- Ryota INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20200285167
- Publication date Sep 10, 2020
- Yuka MIZOGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TONER SET
- Publication number 20200089140
- Publication date Mar 19, 2020
- Minoru MASUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, IMAGE...
- Publication number 20180364600
- Publication date Dec 20, 2018
- Kazuoki FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED UNIT, IMAGE FORMING APPARATUS, AND METHOD FOR P...
- Publication number 20180267417
- Publication date Sep 20, 2018
- Yuka MIZOGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, METHOD FOR PRODUCING TONER, TONER STORAGE UNIT, AND IMAGE FO...
- Publication number 20180267420
- Publication date Sep 20, 2018
- Hiroshi YAMASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMI...
- Publication number 20170108791
- Publication date Apr 20, 2017
- Shizuka Hashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, IMAGE FORMING APPARATUS AND TONER HOUSING UNIT
- Publication number 20160370720
- Publication date Dec 22, 2016
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RESIN FOR TONER, TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PRO...
- Publication number 20160223926
- Publication date Aug 4, 2016
- Azumi MIYAAKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- Publication number 20160091812
- Publication date Mar 31, 2016
- Keiji MAKABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20160004179
- Publication date Jan 7, 2016
- Ricoh Company, Ltd.
- Tsuyoshi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, PROCESS CARTRIDGE, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20150268574
- Publication date Sep 24, 2015
- Azumi MIYAAKE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MAGENTA TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20150253687
- Publication date Sep 10, 2015
- Ryuta Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20150248073
- Publication date Sep 3, 2015
- Shinya Nakayama
- 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, DEVELOPER AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20150132690
- Publication date May 14, 2015
- Daisuke ASAHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, AND COLOR TONER SET
- Publication number 20150024312
- Publication date Jan 22, 2015
- Masana Shiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGENTA TONER, DEVELOPER, TONER CARTRIDGE, IMAGE FORMING APPARATUS...
- Publication number 20140272689
- Publication date Sep 18, 2014
- Hiroshi YAMASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPMENT AGENT, AND IMAGE FORMING METHOD
- Publication number 20140272696
- Publication date Sep 18, 2014
- Hiroshi YAMASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR FORMING ELECTROSTATIC IMAGE, DEVELOPER, PROCESS CARTRIDGE...
- Publication number 20140080046
- Publication date Mar 20, 2014
- Daisuke ASAHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPMENT AGENT, IMAGE FORMING APPARATUS, AND IMAGE FORMIN...
- Publication number 20140080050
- Publication date Mar 20, 2014
- Daisuke Asahina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPMENT AGENT, IMAGE FORMING APPARATUS, AND PROCESS CART...
- Publication number 20140051019
- Publication date Feb 20, 2014
- Satoyuki Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPMENT AGENT, AND IMAGE FORMING APPARATUS
- Publication number 20140023965
- Publication date Jan 23, 2014
- Susumu CHIBA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, AND FULL-COLOR IMAGE FORMING METHOD AND FULL-COLOR IMAGE FOR...
- Publication number 20130337376
- Publication date Dec 19, 2013
- Masaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
- Publication number 20130337374
- Publication date Dec 19, 2013
- Tsuyoshi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE FORMING TONER AND DEVELOPER
- Publication number 20130196263
- Publication date Aug 1, 2013
- Daisuke Asahina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Yamashita

Person

Patents Grantslast 30 patents

Toner, method of manufacturing toner, toner storage unit, image for...

Toner, toner stored unit, and image forming apparatus

Image forming apparatus and toner set

Toner, toner stored unit, image forming apparatus, and method for p...

Toner, method for producing toner, toner storage unit, and image fo...

Toner, developer, process cartridge, image forming apparatus, image...

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

Toner, developer, image forming apparatus and toner housing unit

Resin for toner, toner, developer, image forming apparatus, and pro...

Toner, developer, image forming apparatus, and image forming method

Toner, developer, image forming apparatus, and process cartridge

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

Toner, developer, and image forming apparatus

Toner, developer, and color toner set

Magenta toner, developer, and image forming apparatus

Toner, process cartridge, developer, and image forming apparatus

Toner for forming electrostatic image, developer, process cartridge...

Toner, developer and image forming apparatus

Toner, development agent, image forming apparatus, and process cart...

Toner, and full-color image forming method and full-color image for...

Toner, development agent, and image forming apparatus

Toner and image forming method

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

Yellow toner and color image forming method

Toner, developer, and image forming method

Toner and developer

Electrostatic image forming toner and developer

Toner, development agent, and image forming apparatus using the same

Method of manufacturing toner and toner manufactured by the method

Toner and developer

Patents Applicationslast 30 patents

TONER, METHOD OF MANUFACTURING TONER, TONER STORAGE UNIT, IMAGE FOR...

TONER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS AND METHOD OF FO...

TONER, RESIN PARTICLES, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMIN...

TONER, METHOD OF MANUFACTURING TONER, TONER STORAGE UNIT, IMAGE FOR...

TONER FOR DEVELOPING ELECTROSTATIC IMAGE, TONER ACCOMMODATING UNIT,...

TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND TONER SET

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

TONER, TONER STORED UNIT, IMAGE FORMING APPARATUS, AND METHOD FOR P...

TONER, METHOD FOR PRODUCING TONER, TONER STORAGE UNIT, AND IMAGE FO...

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

TONER, DEVELOPER, IMAGE FORMING APPARATUS AND TONER HOUSING UNIT

RESIN FOR TONER, TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PRO...

TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

TONER, DEVELOPER, AND IMAGE FORMING APPARATUS

TONER, PROCESS CARTRIDGE, DEVELOPER, AND IMAGE FORMING APPARATUS

MAGENTA 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, DEVELOPER AND IMAGE FORMING APPARATUS USING THE SAME

TONER, DEVELOPER, AND COLOR TONER SET

MAGENTA TONER, DEVELOPER, TONER CARTRIDGE, IMAGE FORMING APPARATUS...

TONER, DEVELOPMENT AGENT, AND IMAGE FORMING METHOD

TONER FOR FORMING ELECTROSTATIC IMAGE, DEVELOPER, PROCESS CARTRIDGE...

TONER, DEVELOPMENT AGENT, IMAGE FORMING APPARATUS, AND IMAGE FORMIN...

TONER, DEVELOPMENT AGENT, IMAGE FORMING APPARATUS, AND PROCESS CART...

TONER, DEVELOPMENT AGENT, AND IMAGE FORMING APPARATUS

TONER, AND FULL-COLOR IMAGE FORMING METHOD AND FULL-COLOR IMAGE FOR...

TONER, DEVELOPER AND IMAGE FORMING APPARATUS

ELECTROSTATIC IMAGE FORMING TONER AND DEVELOPER