Kengo Sakai

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and developing cartridge
- Patent number 12,228,866
- Issue date Feb 18, 2025
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 12,169,375
- Issue date Dec 17, 2024
- Canon Kabushiki Kaisha
- Tsuyoshi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Packing member and cartridge assembly
- Patent number 12,168,563
- Issue date Dec 17, 2024
- Canon Kabushiki Kaisha
- Kengo Sakai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus having detection of residual toner amount
- Patent number 11,860,556
- Issue date Jan 2, 2024
- Canon Kabushiki Kaisha
- Tetsushi Uneme
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing cartridge
- Patent number 11,789,378
- Issue date Oct 17, 2023
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, image forming apparatus, and method for manufacturing ca...
- Patent number 11,493,879
- Issue date Nov 8, 2022
- Canon Kabushiki Kaisha
- Kengo Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing cartridge
- Patent number 11,204,566
- Issue date Dec 21, 2021
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Packing member and cartridge packed in the packing member
- Patent number 10,427,867
- Issue date Oct 1, 2019
- Canon Kabushiki Kaisha
- Isao Koishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Packing member
- Patent number 10,295,958
- Issue date May 21, 2019
- Canon Kabushiki Kaisha
- Kengo Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge package and packageable process cartridge
- Patent number 9,733,612
- Issue date Aug 15, 2017
- Canon Kabushiki Kaisha
- Shinjiro Toba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Packing member and cartridge packed in the packing member
- Patent number 9,708,116
- Issue date Jul 18, 2017
- Canon Kabushiki Kaisha
- Isao Koishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge package and packageable process cartridge
- Patent number 9,304,488
- Issue date Apr 5, 2016
- Canon Kabushiki Kaisha
- Shinjiro Toba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20250076786
- Publication date Mar 6, 2025
- Canon Kabushiki Kaisha
- TSUYOSHI OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20240377772
- Publication date Nov 14, 2024
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240085822
- Publication date Mar 14, 2024
- Canon Kabushiki Kaisha
- Tetsushi Uneme
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20230418182
- Publication date Dec 28, 2023
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PACKING MEMBER AND CARTRIDGE ASSEMBLY
- Publication number 20230264880
- Publication date Aug 24, 2023
- Canon Kabushiki Kaisha
- KENGO SAKAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20230161282
- Publication date May 25, 2023
- Canon Kabushiki Kaisha
- TSUYOSHI OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220206410
- Publication date Jun 30, 2022
- Canon Kabushiki Kaisha
- Tetsushi Uneme
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20220075286
- Publication date Mar 10, 2022
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING CA...
- Publication number 20220004144
- Publication date Jan 6, 2022
- Canon Kabushiki Kaisha
- Kengo Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20210018859
- Publication date Jan 21, 2021
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER
- Publication number 20170267445
- Publication date Sep 21, 2017
- Canon Kabushiki Kaisha
- Isao Koishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PACKING MEMBER
- Publication number 20170242392
- Publication date Aug 24, 2017
- Canon Kabushiki Kaisha
- Kengo Sakai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER
- Publication number 20160221747
- Publication date Aug 4, 2016
- Canon Kabushiki Kaisha
- Isao Koishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CARTRIDGE PACKAGE AND PACKAGEABLE PROCESS CARTRIDGE
- Publication number 20160170369
- Publication date Jun 16, 2016
- Canon Kabushiki Kaisha
- Shinjiro Toba
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER
- Publication number 20160091822
- Publication date Mar 31, 2016
- Canon Kabushiki Kaisha
- Isao Koishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER
- Publication number 20150153708
- Publication date Jun 4, 2015
- Canon Kabushiki Kaisha
- Isao Koishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE PACKAGE AND PACKAGEABLE PROCESS CARTRIDGE
- Publication number 20140361030
- Publication date Dec 11, 2014
- Shinjiro Toba
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Kengo Sakai

Person

Patents Grantslast 30 patents

Image forming apparatus and developing cartridge

Image forming apparatus and image forming system

Packing member and cartridge assembly

Image forming apparatus having detection of residual toner amount

Image forming apparatus and developing cartridge

Cartridge, image forming apparatus, and method for manufacturing ca...

Image forming apparatus and developing cartridge

Packing member and cartridge packed in the packing member

Packing member

Cartridge package and packageable process cartridge

Packing member and cartridge packed in the packing member

Cartridge package and packageable process cartridge

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

PACKING MEMBER AND CARTRIDGE ASSEMBLY

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

CARTRIDGE, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING CA...

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER

PACKING MEMBER

PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER

CARTRIDGE PACKAGE AND PACKAGEABLE PROCESS CARTRIDGE

PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER

PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER

CARTRIDGE PACKAGE AND PACKAGEABLE PROCESS CARTRIDGE