Toru Oguma

Person

Mishima-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 12,117,763
- Issue date Oct 15, 2024
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 11,994,824
- Issue date May 28, 2024
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,960,225
- Issue date Apr 16, 2024
- Canon Kabushiki Kaisha
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D993925
- Issue date Aug 1, 2023
- Canon Kabushiki Kaisha
- Toru Oguma
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 11,703,795
- Issue date Jul 18, 2023
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 11,500,324
- Issue date Nov 15, 2022
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,360,416
- Issue date Jun 14, 2022
- Canon Kabushiki Kaisha
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 11,287,772
- Issue date Mar 29, 2022
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 11,099,518
- Issue date Aug 24, 2021
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming unit
- Patent number 10,969,730
- Issue date Apr 6, 2021
- Canon Kabushiki Kaisha
- Kazutaka Sueshige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive drum unit to address vibration of a charge roller
- Patent number 10,845,723
- Issue date Nov 24, 2020
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D889415
- Issue date Jul 7, 2020
- Canon Kabushiki Kaisha
- Toru Oguma
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 10,606,210
- Issue date Mar 31, 2020
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 10,551,790
- Issue date Feb 4, 2020
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit and process cartridge
- Patent number 10,474,059
- Issue date Nov 12, 2019
- Canon Kabushiki Kaisha
- Tetsuya Numata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit to suppress uneven charging
- Patent number 10,466,641
- Issue date Nov 5, 2019
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flange coupling for process cartridge for image forming apparatus
- Patent number D863419
- Issue date Oct 15, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Side cover for process cartridge for image forming apparatus
- Patent number D862584
- Issue date Oct 8, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Photosensitive drum for process cartridge for image forming apparatus
- Patent number D862586
- Issue date Oct 8, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Coupling for process cartridge for image forming apparatus
- Patent number D862587
- Issue date Oct 8, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Side cover for process cartridge for image forming apparatus
- Patent number D862585
- Issue date Oct 8, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 10,254,710
- Issue date Apr 9, 2019
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge for image forming apparatus
- Patent number D845384
- Issue date Apr 9, 2019
- Canon Kabushiki Kaisha
- Toru Oguma
- D18 - Printing and office machinery
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 10,197,967
- Issue date Feb 5, 2019
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and cover member
- Patent number 10,156,828
- Issue date Dec 18, 2018
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and cover member
- Patent number 9,939,778
- Issue date Apr 10, 2018
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including an erroneous attaching prevention...
- Patent number 9,829,857
- Issue date Nov 28, 2017
- Canon Kabushiki Kaisha
- Takayuki Yada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 9,778,613
- Issue date Oct 3, 2017
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 9,772,598
- Issue date Sep 26, 2017
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge, developing apparatus, process cartridge and im...
- Patent number 9,535,398
- Issue date Jan 3, 2017
- Canon Kabushiki Kaisha
- Takayuki Yada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250102996
- Publication date Mar 27, 2025
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250036058
- Publication date Jan 30, 2025
- Canon Kabushiki Kaisha
- TORU OGUMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS THAT FORMS ANTIBACTERIAL REGION ON RECORDIN...
- Publication number 20250028271
- Publication date Jan 23, 2025
- Canon Kabushiki Kaisha
- ATSUSHI TODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250004417
- Publication date Jan 2, 2025
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20240353789
- Publication date Oct 24, 2024
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVICE FOR TREATMENT WITH ACTIVATED OXYEGEN AND METHOD FOR TREATMEN...
- Publication number 20240349416
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- ATSUSHI UEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TREATMENT APPARATUS USING REACTIVE OXYGEN AND TREATMENT METHOD USIN...
- Publication number 20240343572
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- MASATSUGU HONGO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20230315002
- Publication date Oct 5, 2023
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ACTIVE OXYGEN SUPPLY APPARATUS
- Publication number 20230226235
- Publication date Jul 20, 2023
- Canon Kabushiki Kaisha
- TORU OGUMA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20230032541
- Publication date Feb 2, 2023
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220269201
- Publication date Aug 25, 2022
- Canon Kabushiki Kaisha
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20220236687
- Publication date Jul 28, 2022
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20210341873
- Publication date Nov 4, 2021
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210191297
- Publication date Jun 24, 2021
- Canon Kabushiki Kaisha
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING UNIT
- Publication number 20200272087
- Publication date Aug 27, 2020
- Canon Kabushiki Kaisha
- Kazutaka Sueshige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20200183322
- Publication date Jun 11, 2020
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20200150581
- Publication date May 14, 2020
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT
- Publication number 20200033785
- Publication date Jan 30, 2020
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20190179255
- Publication date Jun 13, 2019
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20190155206
- Publication date May 23, 2019
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT
- Publication number 20180335746
- Publication date Nov 22, 2018
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND COVER MEMBER
- Publication number 20180181057
- Publication date Jun 28, 2018
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT AND PROCESS CARTRIDGE
- Publication number 20180164711
- Publication date Jun 14, 2018
- Canon Kabushiki Kaisha
- Tetsuya Numata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20180143584
- Publication date May 24, 2018
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20180046130
- Publication date Feb 15, 2018
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND COVER MEMBER
- Publication number 20170108824
- Publication date Apr 20, 2017
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20160370756
- Publication date Dec 22, 2016
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160103418
- Publication date Apr 14, 2016
- Canon Kabushiki Kaisha
- Takayuki Yada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE, DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IM...
- Publication number 20160070207
- Publication date Mar 10, 2016
- Canon Kabushiki Kaisha
- Takayuki Yada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20140112685
- Publication date Apr 24, 2014
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Development device, process cartridge, and image forming apparatus

Cartridge and electrophotographic image forming apparatus

Image forming apparatus

Process cartridge for image forming apparatus

Development device, process cartridge, and image forming apparatus

Cartridge and electrophotographic image forming apparatus

Image forming apparatus

Development device, process cartridge, and image forming apparatus

Cartridge and electrophotographic image forming apparatus

Image forming apparatus and image forming unit

Photosensitive drum unit to address vibration of a charge roller

Process cartridge for image forming apparatus

Development device, process cartridge, and image forming apparatus

Cartridge and electrophotographic image forming apparatus

Developing unit and process cartridge

Image forming unit to suppress uneven charging

Flange coupling for process cartridge for image forming apparatus

Side cover for process cartridge for image forming apparatus

Photosensitive drum for process cartridge for image forming apparatus

Coupling for process cartridge for image forming apparatus

Side cover for process cartridge for image forming apparatus

Development device, process cartridge, and image forming apparatus

Process cartridge for image forming apparatus

Cartridge and electrophotographic image forming apparatus

Cartridge and cover member

Cartridge and cover member

Image forming apparatus including an erroneous attaching prevention...

Cartridge and electrophotographic image forming apparatus

Cartridge and electrophotographic image forming apparatus

Developer cartridge, developing apparatus, process cartridge and im...

Patents Applicationslast 30 patents

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS THAT FORMS ANTIBACTERIAL REGION ON RECORDIN...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

DEVICE FOR TREATMENT WITH ACTIVATED OXYEGEN AND METHOD FOR TREATMEN...

TREATMENT APPARATUS USING REACTIVE OXYGEN AND TREATMENT METHOD USIN...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

ACTIVE OXYGEN SUPPLY APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING UNIT

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

IMAGE FORMING UNIT

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

IMAGE FORMING UNIT

CARTRIDGE AND COVER MEMBER

DEVELOPING UNIT AND PROCESS CARTRIDGE

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

CARTRIDGE AND COVER MEMBER

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPER CARTRIDGE, DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IM...

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS