Yoshimichi Ishikawa

Person

Itami-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carrier, developer, method, and apparatus for forming electrophotog...
- Patent number 11,106,150
- Issue date Aug 31, 2021
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developing device, and process cartridge
- Patent number 9,971,260
- Issue date May 15, 2018
- Ricoh Company, Ltd.
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, and image forming method, process cartridge, and image formi...
- Patent number 9,709,912
- Issue date Jul 18, 2017
- Ricoh Company, Ltd.
- Kazuoki Fuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner
- Patent number 9,563,140
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming apparatus
- Patent number 9,417,541
- Issue date Aug 16, 2016
- Ricoh Company, Ltd.
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 9,360,824
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Latent electrostatic image developing toner
- Patent number 9,285,695
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Tomoharu Miki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image developing toner, image forming apparatus, imag...
- Patent number 9,268,244
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method and process cartridge
- Patent number 9,182,688
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller, developing device, process cartridge, and image...
- Patent number 9,098,013
- Issue date Aug 4, 2015
- Ricoh Company, Ltd.
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming apparatus, and process cartridge
- Patent number 8,871,417
- Issue date Oct 28, 2014
- Ricoh Company, Ltd.
- Tomoharu Miki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and method for producing the same, toner container, developer...
- Patent number 8,691,484
- Issue date Apr 8, 2014
- Ricoh Company, Ltd.
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing colored resin particles, colored resin particl...
- Patent number 8,647,803
- Issue date Feb 11, 2014
- Ricoh Company, Ltd.
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer and method for producing toner
- Patent number 8,642,238
- Issue date Feb 4, 2014
- Ricoh Company, Ltd.
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image developing toner, developer, and image forming...
- Patent number 8,623,581
- Issue date Jan 7, 2014
- Ricoh Company, Ltd.
- Tomohiro Fukao
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electrostatic image developing toner, toner container and process c...
- Patent number 8,614,040
- Issue date Dec 24, 2013
- Ricoh Company, Ltd.
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, image forming apparatus, image forming method and process ca...
- Patent number 8,518,625
- Issue date Aug 27, 2013
- Ricoh Company, Ltd.
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and method for producing the same
- Patent number 8,440,380
- Issue date May 14, 2013
- Ricoh Company, Ltd.
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic image, process cartridge...
- Patent number 8,435,709
- Issue date May 7, 2013
- Ricoh Company, Ltd.
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Colored resin particle and method for producing the same
- Patent number 8,431,314
- Issue date Apr 30, 2013
- Ricoh Company, Ltd.
- Yoshihiro Mikuriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Semiconductive member, and developing roll, charging roll, transfer...
- Patent number 8,354,164
- Issue date Jan 15, 2013
- Ricoh Company, Limited
- Chiyoshi Nozaki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner and method of manufacturing the same
- Patent number 8,309,290
- Issue date Nov 13, 2012
- Ricoh Company, Ltd.
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, developing device, process cartridge, image formi...
- Patent number 8,268,527
- Issue date Sep 18, 2012
- Ricoh Company, Limited
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container, process cartridge, image forming...
- Patent number 8,216,755
- Issue date Jul 10, 2012
- Ricoh Company, Limited
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus
- Patent number 8,139,984
- Issue date Mar 20, 2012
- Ricoh Company, Limited
- Hiroyuki Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container, process cartridge, image forming...
- Patent number 8,110,330
- Issue date Feb 7, 2012
- Ricoh Company, Ltd.
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming method
- Patent number 8,053,154
- Issue date Nov 8, 2011
- Ricoh Company, Ltd.
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pulverized toner
- Patent number 8,043,779
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, and image forming apparat...
- Patent number 8,012,658
- Issue date Sep 6, 2011
- Ricoh Company Limited
- Chiyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,903,998
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Mitsuyo Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARRIER, DEVELOPER, METHOD, AND APPARATUS FOR FORMING ELECTROPHOTOG...
- Publication number 20200166867
- Publication date May 28, 2020
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170248896
- Publication date Aug 31, 2017
- Naoki NAKATAKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE
- Publication number 20170010548
- Publication date Jan 12, 2017
- Tsuyoshi NOZAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20160033924
- Publication date Feb 4, 2016
- Tomohiro FUKAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE
- Publication number 20150198901
- Publication date Jul 16, 2015
- Tsuyoshi NOZAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20150078790
- Publication date Mar 19, 2015
- Yoshimichi ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LATENT ELECTROSTATIC IMAGE DEVELOPING TONER
- Publication number 20140356774
- Publication date Dec 4, 2014
- Tomoharu Miki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...
- Publication number 20140321888
- Publication date Oct 30, 2014
- RICOH COMPANY, LTD.
- Hideaki Yasunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CARTRIDGE
- Publication number 20140147784
- Publication date May 29, 2014
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, AND IMAGE FORMING METHOD, PROCESS CARTRIDGE, AND IMAGE FORMI...
- Publication number 20140147779
- Publication date May 29, 2014
- Kazuoki FUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER
- Publication number 20140147780
- Publication date May 29, 2014
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, IMAGE FORMING APPARATUS, IMAG...
- Publication number 20140050504
- Publication date Feb 20, 2014
- Tomohiro FUKAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND IMAGE FORMING APPARATUS
- Publication number 20140038095
- Publication date Feb 6, 2014
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20130344427
- Publication date Dec 26, 2013
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER AND METHOD FOR PRODUCING TONER
- Publication number 20130029260
- Publication date Jan 31, 2013
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS C...
- Publication number 20120264048
- Publication date Oct 18, 2012
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING COLORED RESIN PARTICLES, COLORED RESIN PARTICL...
- Publication number 20120251938
- Publication date Oct 4, 2012
- Atsushi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, TONER CONTAINER AND PROCESS C...
- Publication number 20120237253
- Publication date Sep 20, 2012
- Tomohiro FUKAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING...
- Publication number 20120237267
- Publication date Sep 20, 2012
- Tomohiro FUKAO
- B82 - NANO-TECHNOLOGY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CA...
- Publication number 20120219321
- Publication date Aug 30, 2012
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CA...
- Publication number 20110287356
- Publication date Nov 24, 2011
- Tomohiro Fukao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROSTATIC IMAGE DEVELOPER, PROCESS CARTRIDGE AND IMAG...
- Publication number 20110250533
- Publication date Oct 13, 2011
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND METHOD FOR PRODUCING THE SAME
- Publication number 20110164901
- Publication date Jul 7, 2011
- Atsushi YAMAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20110053071
- Publication date Mar 3, 2011
- Tomoharu MIKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COLORED RESIN PARTICLE AND METHOD FOR PRODUCING THE SAME
- Publication number 20110053077
- Publication date Mar 3, 2011
- Yoshihiro MIKURIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMI...
- Publication number 20110053063
- Publication date Mar 3, 2011
- Takuya Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND APPARATUS
- Publication number 20110045401
- Publication date Feb 24, 2011
- Hiroyuki Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND METHOD OF MANUFACTURING TONER
- Publication number 20100239974
- Publication date Sep 23, 2010
- Tsuyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEMICONDUCTIVE MEMBER, AND DEVELOPING ROLL, CHARGING ROLL, TRANSFER...
- Publication number 20100150609
- Publication date Jun 17, 2010
- Chiyoshi Nozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...
- Publication number 20090297975
- Publication date Dec 3, 2009
- Yoshimichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshimichi Ishikawa

Person

Patents Grantslast 30 patents

Carrier, developer, method, and apparatus for forming electrophotog...

Toner, developing device, and process cartridge

Toner, and image forming method, process cartridge, and image formi...

Toner

Toner and image forming apparatus

Image forming apparatus and process cartridge

Latent electrostatic image developing toner

Electrostatic image developing toner, image forming apparatus, imag...

Image forming apparatus, image forming method and process cartridge

Developing roller, developing device, process cartridge, and image...

Toner, image forming apparatus, and process cartridge

Toner and method for producing the same, toner container, developer...

Method for producing colored resin particles, colored resin particl...

Toner, developer and method for producing toner

Electrostatic image developing toner, developer, and image forming...

Electrostatic image developing toner, toner container and process c...

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

Toner and method for producing the same

Toner for developing latent electrostatic image, process cartridge...

Colored resin particle and method for producing the same

Semiconductive member, and developing roll, charging roll, transfer...

Toner and method of manufacturing the same

Toner, developer, developing device, process cartridge, image formi...

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

Image forming method and apparatus

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

Toner and image forming method

Pulverized toner

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

Image forming apparatus

Patents Applicationslast 30 patents

CARRIER, DEVELOPER, METHOD, AND APPARATUS FOR FORMING ELECTROPHOTOG...

IMAGE FORMING APPARATUS

TONER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

TONER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

LATENT ELECTROSTATIC IMAGE DEVELOPING TONER

DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CARTRIDGE

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

TONER

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

TONER AND IMAGE FORMING APPARATUS

TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

TONER, DEVELOPER AND METHOD FOR PRODUCING TONER

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

METHOD FOR PRODUCING COLORED RESIN PARTICLES, COLORED RESIN PARTICL...

ELECTROSTATIC IMAGE DEVELOPING TONER, TONER CONTAINER AND PROCESS C...

ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING...

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

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

TONER FOR ELECTROSTATIC IMAGE DEVELOPER, PROCESS CARTRIDGE AND IMAG...

TONER AND METHOD FOR PRODUCING THE SAME

TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

COLORED RESIN PARTICLE AND METHOD FOR PRODUCING THE SAME

TONER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMI...

IMAGE FORMING METHOD AND APPARATUS

TONER AND METHOD OF MANUFACTURING TONER

SEMICONDUCTIVE MEMBER, AND DEVELOPING ROLL, CHARGING ROLL, TRANSFER...

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