Koichiro Masui

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Numazu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and cartridge
- Patent number 10,509,359
- Issue date Dec 17, 2019
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cartridge
- Patent number 9,989,880
- Issue date Jun 5, 2018
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, developing cartridge, process cartridge and image formin...
- Patent number 9,091,962
- Issue date Jul 28, 2015
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,861,990
- Issue date Oct 14, 2014
- Canon Kabushiki Kaisha
- Taku Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20180239272
- Publication date Aug 23, 2018
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20160274486
- Publication date Sep 22, 2016
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMIN...
- Publication number 20140348518
- Publication date Nov 27, 2014
- Canon Kabushiki Kaisha
- Koichiro Masui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120177387
- Publication date Jul 12, 2012
- Canon Kabushiki Kaisha
- Taku Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY