Keiichi KIKAWA

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Two-component developer, developing device, and image forming device
- Patent number 11,619,889
- Issue date Apr 4, 2023
- SHARP KABUSHIKI KAISHA
- Maiko Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, two-component developer, and method for producing toner
- Patent number 10,732,531
- Issue date Aug 4, 2020
- SHARP KABUSHIKI KAISHA
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing ground toner
- Patent number 9,535,350
- Issue date Jan 3, 2017
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component color developer and image formation device using same
- Patent number 9,274,447
- Issue date Mar 1, 2016
- Sharp Kabushiki Kaisha
- Tadayuki Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Full-color toner set, full-color developer set, image-formation met...
- Patent number 9,250,549
- Issue date Feb 2, 2016
- Sharp Kabushiki Kaisha
- Shintaro Fukuoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing capsule toner
- Patent number 8,609,316
- Issue date Dec 17, 2013
- Sharp Kabushiki Kaisha
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing capsule toner
- Patent number 8,431,317
- Issue date Apr 30, 2013
- Sharp Kabushiki Kaisha
- Yoritaka Tsubaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Capsule toner, two-component developer, and image forming apparatus
- Patent number 8,431,305
- Issue date Apr 30, 2013
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Capsule toner, method of manufacturing the same, and two-component...
- Patent number 8,431,315
- Issue date Apr 30, 2013
- Sharp Kabushiki Kaisha
- Yoshinori Mutoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner manufacturing method
- Patent number 8,431,316
- Issue date Apr 30, 2013
- Sharp Kabushiki Kaisha
- Yoshiaki Akazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing resin-layer coated carrier, resin-layer coa...
- Patent number 8,399,171
- Issue date Mar 19, 2013
- Sharp Kabushiki Kaisha
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner, toner obtained by method thereof, on...
- Patent number 8,389,193
- Issue date Mar 5, 2013
- Sharp Kabushiki Kaisha
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner, toner obtained by method thereof, on...
- Patent number 8,389,194
- Issue date Mar 5, 2013
- Sharp Kabushiki Kaisha
- Yoshiaki Akazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Capsule toner and method of manufacturing capsule toner
- Patent number 8,389,195
- Issue date Mar 5, 2013
- Sharp Kabushiki Kaisha
- Yoritaka Tsubaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing toner, toner, developer, developing device...
- Patent number 8,304,158
- Issue date Nov 6, 2012
- Sharp Kabushiki Kaisha
- Yoshinori Mutoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing toner, toner, developer, developing device...
- Patent number 8,197,999
- Issue date Jun 12, 2012
- Sharp Kabushiki Kaisha
- Yoshitaka Kawase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner, toner, two-component developer, deve...
- Patent number 8,187,783
- Issue date May 29, 2012
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner, toner, two-component developer, deve...
- Patent number 8,163,458
- Issue date Apr 24, 2012
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner particles, toner particles, two-compo...
- Patent number 8,097,395
- Issue date Jan 17, 2012
- Sharp Kabushiki Kaisha
- Katsuru Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, method of manufacturing toner, developer, two-component deve...
- Patent number 8,092,968
- Issue date Jan 10, 2012
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Functional particle and manufacturing method thereof
- Patent number 8,067,143
- Issue date Nov 29, 2011
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aggregate dispersant, method of manufacturing aggregate of resin-co...
- Patent number 8,021,817
- Issue date Sep 20, 2011
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrostatic image development and process for preparing...
- Patent number 7,955,771
- Issue date Jun 7, 2011
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for manufacturing developer, and developer
- Patent number 7,931,876
- Issue date Apr 26, 2011
- Sharp Kabushiki Kaisha
- Shinichi Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing aggregate particles and toner
- Patent number 7,910,279
- Issue date Mar 22, 2011
- Sharp Kabushiki Kaisha
- Nobuhiro Maezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing toner particles, toner particles, two-compo...
- Patent number 7,887,986
- Issue date Feb 15, 2011
- Sharp Kabushiki Kaisha
- Katsuru Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing aggregated particles
- Patent number 7,833,446
- Issue date Nov 16, 2010
- Sharp Kabushiki Kaisha
- Nobuhiro Maezawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Toner manufacturing method
- Patent number 7,781,139
- Issue date Aug 24, 2010
- Sharp Kabushiki Kaisha
- Satoru Ariyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing resin particles
- Patent number 7,770,828
- Issue date Aug 10, 2010
- Sharp Kabushiki Kaisha
- Katsuru Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Two-component developer and image formation method
- Patent number 7,687,214
- Issue date Mar 30, 2010
- Sharp Kabushiki Kaisha
- Yasuhiro Shibai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMING DEVICE
- Publication number 20220066338
- Publication date Mar 3, 2022
- Sharp Kabushiki Kaisha
- Maiko NAGAOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TWO-COMPONENT DEVELOPER, AND METHOD FOR PRODUCING TONER
- Publication number 20190317418
- Publication date Oct 17, 2019
- Sharp Kabushiki Kaisha
- KEIICHI KIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING GROUND TONER
- Publication number 20160357121
- Publication date Dec 8, 2016
- Sharp Kabushiki Kaisha
- Keiichi KIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FULL-COLOR TONER SET, FULL-COLOR DEVELOPER SET, IMAGE-FORMATION MET...
- Publication number 20150104740
- Publication date Apr 16, 2015
- SHARP KABUSHIKI KAISHA
- Shintaro Fukuoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, TWO-COMPONENT DEVELOPER...
- Publication number 20150079513
- Publication date Mar 19, 2015
- Sharp Kabushiki Kaisha
- Shintaro Fukuoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TWO-COMPONENT DEVELOPER, IMAGE FORMATION DEVICE USING SAME,...
- Publication number 20150024311
- Publication date Jan 22, 2015
- Sharp Kabushiki Kaisha
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TWO-COMPONENT COLOR DEVELOPER AND IMAGE FORMATION DEVICE USING SAME
- Publication number 20140242510
- Publication date Aug 28, 2014
- Sharp Kabushiki Kaisha
- Tadayuki Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING CAPSULE TONER
- Publication number 20110177451
- Publication date Jul 21, 2011
- Yoritaka Tsubaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING CAPSULE TONER
- Publication number 20110171574
- Publication date Jul 14, 2011
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER MANUFACTURING METHOD
- Publication number 20110111338
- Publication date May 12, 2011
- Yoshiaki Akazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING TONER PARTICLES, TONER PARTICLES, TWO-COMPO...
- Publication number 20110069992
- Publication date Mar 24, 2011
- Sharp Kabushiki Kaisha
- Katsuru MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CAPSULE TONER AND METHOD OF MANUFACTURING CAPSULE TONER
- Publication number 20110070541
- Publication date Mar 24, 2011
- Yoritaka Tsubaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CAPSULE TONER, METHOD OF MANUFACTURING THE SAME, AND TWO-COMPONENT...
- Publication number 20110059394
- Publication date Mar 10, 2011
- Yoshinori Mutoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CAPSULE TONER AND METHOD OF MANUFACTURING THE SAME
- Publication number 20110053074
- Publication date Mar 3, 2011
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING RESIN-LAYER COATED CARRIER, RESIN-LAYER COA...
- Publication number 20100303506
- Publication date Dec 2, 2010
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING TONER, TONER OBTAINED BY METHOD THEREOF, ON...
- Publication number 20100248114
- Publication date Sep 30, 2010
- Takashi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING TONER, TONER OBTAINED BY METHOD THEREOF, ON...
- Publication number 20100248124
- Publication date Sep 30, 2010
- Yoshiaki Akazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CAPSULE TONER, TWO-COMPONENT DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20100209145
- Publication date Aug 19, 2010
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING TONER, TONER, DEVELOPER, DEVELOPING DEVICE...
- Publication number 20100159374
- Publication date Jun 24, 2010
- Yoshinori Mutoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100104323
- Publication date Apr 29, 2010
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING TONER, TONER, DEVELOPER, DEVELOPING DEVICE...
- Publication number 20090297224
- Publication date Dec 3, 2009
- Sharp Kabushiki Kaisha
- Yoshitaka Kawase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRODUCING METHOD OF SPHERICAL PARTICLE, SPHERICAL PARTICLE, TONER,...
- Publication number 20090258310
- Publication date Oct 15, 2009
- Katsuru MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, METHOD OF MANUFACTURING TONER, DEVELOPER, TWO-COMPONENT DEVE...
- Publication number 20090232557
- Publication date Sep 17, 2009
- Keiichi KIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for manufacturing developer, and developer
- Publication number 20090117479
- Publication date May 7, 2009
- Sharp Kabushiki Kaisha
- Shinichi Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING TONER PARTICLES, TONER PARTICLES, TWO-COMPO...
- Publication number 20090042119
- Publication date Feb 12, 2009
- Katsuru MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method of manufacturing resin particles
- Publication number 20090020899
- Publication date Jan 22, 2009
- Katsuru MATSUMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF MANUFACTURING TONER, TONER, TWO-COMPONENT DEVELOPER, DEVE...
- Publication number 20090011358
- Publication date Jan 8, 2009
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING TONER, TONER, TWO-COMPONENT DEVELOPER, DEVE...
- Publication number 20090011351
- Publication date Jan 8, 2009
- Keiichi Kikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER PARTICLES, METHOD OF MANUFACTURING THE SAME, TWO-COMPONENT DE...
- Publication number 20080311501
- Publication date Dec 18, 2008
- SHARP KABUSHIKI KAISHA
- Katsuru Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING AGGREGATE PARTICLES AND TONER
- Publication number 20080248415
- Publication date Oct 9, 2008
- Sharp Kabushiki Kaisha
- Nobuhiro MAEZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keiichi KIKAWA

Person

Patents Grantslast 30 patents

Two-component developer, developing device, and image forming device

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

Method for producing ground toner

Two-component color developer and image formation device using same

Full-color toner set, full-color developer set, image-formation met...

Method for manufacturing capsule toner

Method for manufacturing capsule toner

Capsule toner, two-component developer, and image forming apparatus

Capsule toner, method of manufacturing the same, and two-component...

Toner manufacturing method

Method of manufacturing resin-layer coated carrier, resin-layer coa...

Method of manufacturing toner, toner obtained by method thereof, on...

Method of manufacturing toner, toner obtained by method thereof, on...

Capsule toner and method of manufacturing capsule toner

Method for manufacturing toner, toner, developer, developing device...

Method for manufacturing toner, toner, developer, developing device...

Method of manufacturing toner, toner, two-component developer, deve...

Method of manufacturing toner, toner, two-component developer, deve...

Method of manufacturing toner particles, toner particles, two-compo...

Toner, method of manufacturing toner, developer, two-component deve...

Functional particle and manufacturing method thereof

Aggregate dispersant, method of manufacturing aggregate of resin-co...

Toner for electrostatic image development and process for preparing...

Method and apparatus for manufacturing developer, and developer

Method of manufacturing aggregate particles and toner

Method of manufacturing toner particles, toner particles, two-compo...

Method of manufacturing aggregated particles

Toner manufacturing method

Method of manufacturing resin particles

Two-component developer and image formation method

Patents Applicationslast 30 patents

TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMING DEVICE

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

METHOD FOR PRODUCING GROUND TONER

FULL-COLOR TONER SET, FULL-COLOR DEVELOPER SET, IMAGE-FORMATION MET...

TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, TWO-COMPONENT DEVELOPER...

TONER, TWO-COMPONENT DEVELOPER, IMAGE FORMATION DEVICE USING SAME,...

TWO-COMPONENT COLOR DEVELOPER AND IMAGE FORMATION DEVICE USING SAME

METHOD FOR MANUFACTURING CAPSULE TONER

METHOD FOR MANUFACTURING CAPSULE TONER

TONER MANUFACTURING METHOD

METHOD OF MANUFACTURING TONER PARTICLES, TONER PARTICLES, TWO-COMPO...

CAPSULE TONER AND METHOD OF MANUFACTURING CAPSULE TONER

CAPSULE TONER, METHOD OF MANUFACTURING THE SAME, AND TWO-COMPONENT...

CAPSULE TONER AND METHOD OF MANUFACTURING THE SAME

METHOD OF MANUFACTURING RESIN-LAYER COATED CARRIER, RESIN-LAYER COA...

METHOD OF MANUFACTURING TONER, TONER OBTAINED BY METHOD THEREOF, ON...

METHOD OF MANUFACTURING TONER, TONER OBTAINED BY METHOD THEREOF, ON...

CAPSULE TONER, TWO-COMPONENT DEVELOPER, AND IMAGE FORMING APPARATUS

METHOD FOR MANUFACTURING TONER, TONER, DEVELOPER, DEVELOPING DEVICE...

TONER, DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

METHOD FOR MANUFACTURING TONER, TONER, DEVELOPER, DEVELOPING DEVICE...

PRODUCING METHOD OF SPHERICAL PARTICLE, SPHERICAL PARTICLE, TONER,...

TONER, METHOD OF MANUFACTURING TONER, DEVELOPER, TWO-COMPONENT DEVE...

Method and apparatus for manufacturing developer, and developer

METHOD OF MANUFACTURING TONER PARTICLES, TONER PARTICLES, TWO-COMPO...

Method of manufacturing resin particles

METHOD OF MANUFACTURING TONER, TONER, TWO-COMPONENT DEVELOPER, DEVE...

METHOD OF MANUFACTURING TONER, TONER, TWO-COMPONENT DEVELOPER, DEVE...

TONER PARTICLES, METHOD OF MANUFACTURING THE SAME, TWO-COMPONENT DE...

METHOD OF MANUFACTURING AGGREGATE PARTICLES AND TONER