Masakazu Tatsumi

Person

Susono-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and developing cartridge
- Patent number 11,550,255
- Issue date Jan 10, 2023
- Canon Kabushiki Kaisha
- Masato Tanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having toner receiving portion
- Patent number 11,500,305
- Issue date Nov 15, 2022
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and remanufacturing method of cartridge
- Patent number 11,360,427
- Issue date Jun 14, 2022
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having toner receiving portion
- Patent number 11,209,749
- Issue date Dec 28, 2021
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing cartridge
- Patent number 11,086,267
- Issue date Aug 10, 2021
- Canon Kabushiki Kaisha
- Masato Tanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and remanufacturing method of cartridge
- Patent number 10,955,794
- Issue date Mar 23, 2021
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge remanufacturing method and cartridge
- Patent number 10,732,545
- Issue date Aug 4, 2020
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D881986
- Issue date Apr 21, 2020
- Tatsuro Harada
- D18 - Printing and office machinery

Patents Applicationslast 30 patents

Information Patent Application
PROCESS CARTRIDGE HAVING TONER RECEIVING PORTION
- Publication number 20220075288
- Publication date Mar 10, 2022
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20210333742
- Publication date Oct 28, 2021
- Canon Kabushiki Kaisha
- Masato Tanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20210200121
- Publication date Jul 1, 2021
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE
- Publication number 20210173339
- Publication date Jun 10, 2021
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE
- Publication number 20200285191
- Publication date Sep 10, 2020
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE
- Publication number 20200096935
- Publication date Mar 26, 2020
- Canon Kabushiki Kaisha
- Masato Tanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE REMANUFACTURING METHOD AND CARTRIDGE
- Publication number 20200073286
- Publication date Mar 5, 2020
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masakazu Tatsumi

Person

Patents Grantslast 30 patents

Image forming apparatus and developing cartridge

Process cartridge having toner receiving portion

Cartridge and remanufacturing method of cartridge

Process cartridge having toner receiving portion

Image forming apparatus and developing cartridge

Cartridge and remanufacturing method of cartridge

Cartridge remanufacturing method and cartridge

Process cartridge for image forming apparatus

Patents Applicationslast 30 patents

PROCESS CARTRIDGE HAVING TONER RECEIVING PORTION

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

PROCESS CARTRIDGE

CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE

CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE

IMAGE FORMING APPARATUS AND DEVELOPING CARTRIDGE

CARTRIDGE REMANUFACTURING METHOD AND CARTRIDGE