Kuniaki Hirukawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 12,130,581
- Issue date Oct 29, 2024
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 11,687,029
- Issue date Jun 27, 2023
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 11,320,782
- Issue date May 3, 2022
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 11,314,201
- Issue date Apr 26, 2022
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 11,226,585
- Issue date Jan 18, 2022
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 10,691,063
- Issue date Jun 23, 2020
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 9,964,921
- Issue date May 8, 2018
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and electrophotographic image...
- Patent number 9,933,725
- Issue date Apr 3, 2018
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 9,696,684
- Issue date Jul 4, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Manufacturing method for cartridge having a molded electrode
- Patent number 9,688,008
- Issue date Jun 27, 2017
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D790004
- Issue date Jun 20, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- D18 - Printing and office machinery
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D790005
- Issue date Jun 20, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- D18 - Printing and office machinery
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D789446
- Issue date Jun 13, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- D18 - Printing and office machinery
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D788213
- Issue date May 30, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- D18 - Printing and office machinery
Information Patent Grant
Developing device, process cartridge, and electrophotographic image...
- Patent number 9,618,880
- Issue date Apr 11, 2017
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer storage unit, development device, process cartridge, and...
- Patent number 9,599,955
- Issue date Mar 21, 2017
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and electrophotographic image...
- Patent number 9,535,370
- Issue date Jan 3, 2017
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 9,519,264
- Issue date Dec 13, 2016
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 9,417,605
- Issue date Aug 16, 2016
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including cartridge electrode integrally molded with frame
- Patent number 9,367,025
- Issue date Jun 14, 2016
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process cartridge, and imag...
- Patent number 9,310,713
- Issue date Apr 12, 2016
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development apparatus, process cartridge, and image forming apparatus
- Patent number 9,239,544
- Issue date Jan 19, 2016
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, process cartridge and electrophotographic image fo...
- Patent number 9,116,503
- Issue date Aug 25, 2015
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and process cartridge
- Patent number 9,098,012
- Issue date Aug 4, 2015
- Canon Kabushiki Kaisha
- Shinya Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 9,081,323
- Issue date Jul 14, 2015
- Canon Kabushiki Kaisha
- Hideki Maeshima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer accommodating unit with light guide member for detecting...
- Patent number 9,063,501
- Issue date Jun 23, 2015
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 9,046,814
- Issue date Jun 2, 2015
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge having molded resin electrode
- Patent number 8,879,944
- Issue date Nov 4, 2014
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge
- Patent number 8,355,648
- Issue date Jan 15, 2013
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20240369968
- Publication date Nov 7, 2024
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20240369967
- Publication date Nov 7, 2024
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20240210875
- Publication date Jun 27, 2024
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20230273570
- Publication date Aug 31, 2023
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20220066386
- Publication date Mar 3, 2022
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20210011429
- Publication date Jan 14, 2021
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20180239302
- Publication date Aug 23, 2018
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20170242396
- Publication date Aug 24, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE...
- Publication number 20170168420
- Publication date Jun 15, 2017
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER STORAGE UNIT DEVELOPMENT DEVICE PROCESS CARTRIDGE AND ELE...
- Publication number 20170160674
- Publication date Jun 8, 2017
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20170068210
- Publication date Mar 9, 2017
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE...
- Publication number 20170038705
- Publication date Feb 9, 2017
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20160257041
- Publication date Sep 8, 2016
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20160018785
- Publication date Jan 21, 2016
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20150277367
- Publication date Oct 1, 2015
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20150261131
- Publication date Sep 17, 2015
- Canon Kabushiki Kaisha
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20150037065
- Publication date Feb 5, 2015
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER STORAGE UNIT, DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND...
- Publication number 20140079416
- Publication date Mar 20, 2014
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE...
- Publication number 20140079415
- Publication date Mar 20, 2014
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130322921
- Publication date Dec 5, 2013
- Hideki Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130322920
- Publication date Dec 5, 2013
- Hideki Maeshima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130308988
- Publication date Nov 21, 2013
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER ACCOMMODATING UNIT, DEVELOPING CARTRIDGE AND IMAGE FORMIN...
- Publication number 20130272727
- Publication date Oct 17, 2013
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FO...
- Publication number 20130272753
- Publication date Oct 17, 2013
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20130051840
- Publication date Feb 28, 2013
- Canon Kabushiki Kaisha
- Shinya Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20130022368
- Publication date Jan 24, 2013
- Canon Kabushiki Kaisha
- Hiroshi Takarada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE
- Publication number 20110058846
- Publication date Mar 10, 2011
- Canon Kabushiki Kaisha
- Kuniaki Hirukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kuniaki Hirukawa

Person

Patents Grantslast 30 patents

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Developing device, process cartridge, and electrophotographic image...

Process cartridge and image forming apparatus

Manufacturing method for cartridge having a molded electrode

Process cartridge for image forming apparatus

Process cartridge for image forming apparatus

Process cartridge for image forming apparatus

Process cartridge for image forming apparatus

Developing device, process cartridge, and electrophotographic image...

Developer storage unit, development device, process cartridge, and...

Developing device, process cartridge, and electrophotographic image...

Process cartridge and image forming apparatus

Image forming apparatus and process cartridge

Cartridge including cartridge electrode integrally molded with frame

Developer container, developing device, process cartridge, and imag...

Development apparatus, process cartridge, and image forming apparatus

Developing unit, process cartridge and electrophotographic image fo...

Electrophotographic image forming apparatus and process cartridge

Developing device, process cartridge, and image forming apparatus

Developer accommodating unit with light guide member for detecting...

Developing device, process cartridge, and image forming apparatus

Cartridge having molded resin electrode

Cartridge

Patents Applicationslast 30 patents

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

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

DEVELOPER STORAGE UNIT DEVELOPMENT DEVICE PROCESS CARTRIDGE AND ELE...

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

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

CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...

CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPER STORAGE UNIT, DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND...

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

DEVELOPMENT APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPER ACCOMMODATING UNIT, DEVELOPING CARTRIDGE AND IMAGE FORMIN...

DEVELOPING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FO...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CARTRIDGE AND IMAGE FORMING APPARATUS

CARTRIDGE