Yutaka Koga

Person

Kashiwa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing apparatus with magnetic seal member facing conveyance screw
- Patent number 11,334,002
- Issue date May 17, 2022
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having spaced cover portion and frame
- Patent number 10,481,521
- Issue date Nov 19, 2019
- Canon Kabushiki Kaisha
- Yukihiro Soeta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device
- Patent number 10,331,061
- Issue date Jun 25, 2019
- Canon Kabushiki Kaisha
- Masafumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supplying device and image forming apparatus
- Patent number 10,317,819
- Issue date Jun 11, 2019
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including cleaning unit with brush roller,...
- Patent number 10,126,686
- Issue date Nov 13, 2018
- Canon Kabushiki Kaisha
- Toshiya Fukazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus accomodating toner collection container
- Patent number 9,904,236
- Issue date Feb 27, 2018
- Canon Kabushiki Kaisha
- Yushi Sadamitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,442,409
- Issue date Sep 13, 2016
- Canon Kabushiki Kaisha
- Masami Hano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having toner collection
- Patent number 9,354,554
- Issue date May 31, 2016
- Canon Kabushiki Kaisha
- Yushi Sadamitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,348,274
- Issue date May 24, 2016
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with movable conveying path
- Patent number 9,128,457
- Issue date Sep 8, 2015
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING APPARATUS
- Publication number 20190278199
- Publication date Sep 12, 2019
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180284641
- Publication date Oct 4, 2018
- Canon Kabushiki Kaisha
- Yukihiro Soeta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE
- Publication number 20180284656
- Publication date Oct 4, 2018
- Canon Kabushiki Kaisha
- Masafumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE
- Publication number 20180284643
- Publication date Oct 4, 2018
- Canon Kabushiki Kaisha
- Masafumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180017894
- Publication date Jan 18, 2018
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170003628
- Publication date Jan 5, 2017
- Canon Kabushiki Kaisha
- Toshiya Fukazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150338796
- Publication date Nov 26, 2015
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139712
- Publication date May 21, 2015
- Canon Kabushiki Kaisha
- Yushi Sadamitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150093123
- Publication date Apr 2, 2015
- Canon Kabushiki Kaisha
- Masami Hano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150078796
- Publication date Mar 19, 2015
- Canon Kabushiki Kaisha
- Yushi SADAMITSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130287412
- Publication date Oct 31, 2013
- Canon Kabushiki Kaisha
- Yutaka Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yutaka Koga

Person

Patents Grantslast 30 patents

Developing apparatus with magnetic seal member facing conveyance screw

Developing device having spaced cover portion and frame

Developing device

Developer supplying device and image forming apparatus

Image forming apparatus including cleaning unit with brush roller,...

Image forming apparatus accomodating toner collection container

Image forming apparatus

Image forming apparatus having toner collection

Image forming apparatus

Image forming apparatus with movable conveying path

Patents Applicationslast 30 patents

DEVELOPING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE

DEVELOPING DEVICE

DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS