Koichi Ooishi

Person

Mishima-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 12,298,703
- Issue date May 13, 2025
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 12,045,004
- Issue date Jul 23, 2024
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, cartridge, image forming apparatus
- Patent number 11,835,888
- Issue date Dec 5, 2023
- Canon Kabushiki Kaisha
- Harunobu Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 11,789,401
- Issue date Oct 17, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 11,493,878
- Issue date Nov 8, 2022
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, cartridge, image forming apparatus
- Patent number 11,372,348
- Issue date Jun 28, 2022
- Canon Kabushiki Kaisha
- Harunobu Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including an image bearing member and developer bearing m...
- Patent number 11,188,021
- Issue date Nov 30, 2021
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Remanufacturing method for developing apparatus and cartridge
- Patent number 10,928,751
- Issue date Feb 23, 2021
- Canon Kabushiki Kaisha
- Yu Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20240345536
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- Toshiaki TAKEUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20230418212
- Publication date Dec 28, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20230025390
- Publication date Jan 26, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, CARTRIDGE, IMAGE FORMING APPARATUS
- Publication number 20220283526
- Publication date Sep 8, 2022
- Canon Kabushiki Kaisha
- Harunobu Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING AN IMAGE BEARING MEMBER AND DEVELOPER BEARING M...
- Publication number 20210341875
- Publication date Nov 4, 2021
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, CARTRIDGE, IMAGE FORMING APPARATUS
- Publication number 20210080870
- Publication date Mar 18, 2021
- Canon Kabushiki Kaisha
- Harunobu Maeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20210080898
- Publication date Mar 18, 2021
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REMANUFACTURING METHOD FOR DEVELOPING APPARATUS AND CARTRIDGE
- Publication number 20200073287
- Publication date Mar 5, 2020
- Canon Kabushiki Kaisha
- Yu Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REMANUFACTURING METHOD
- Publication number 20200073288
- Publication date Mar 5, 2020
- Canon Kabushiki Kaisha
- Shota Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Koichi Ooishi

Person

Patents Grantslast 30 patents

Cartridge including photosensitive drum and developing roller that...

Cartridge including photosensitive drum and developing roller that...

Developing device, cartridge, image forming apparatus

Cartridge including photosensitive drum and developing roller that...

Cartridge including photosensitive drum and developing roller that...

Developing device, cartridge, image forming apparatus

Cartridge including an image bearing member and developer bearing m...

Remanufacturing method for developing apparatus and cartridge

Patents Applicationslast 30 patents

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

DEVELOPING DEVICE, CARTRIDGE, IMAGE FORMING APPARATUS

CARTRIDGE INCLUDING AN IMAGE BEARING MEMBER AND DEVELOPER BEARING M...

DEVELOPING DEVICE, CARTRIDGE, IMAGE FORMING APPARATUS

CARTRIDGE AND IMAGE FORMING APPARATUS

REMANUFACTURING METHOD FOR DEVELOPING APPARATUS AND CARTRIDGE

REMANUFACTURING METHOD