Kazuaki OOKA

Person

Nagoya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 12,197,168
- Issue date Jan 14, 2025
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 12,174,557
- Issue date Dec 24, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including casing and first and second agitator...
- Patent number 12,147,171
- Issue date Nov 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including holder for holding electrical contact surface a...
- Patent number 12,032,326
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having electrode contactable with another elec...
- Patent number 12,032,307
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 12,032,329
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit
- Patent number 11,921,457
- Issue date Mar 5, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 11,714,378
- Issue date Aug 1, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 11,693,331
- Issue date Jul 4, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including holder for holding electrical contact surface a...
- Patent number 11,693,353
- Issue date Jul 4, 2023
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D989856
- Issue date Jun 20, 2023
- Brother Industries, Ltd.
- Yuwen Wang
- D18 - Printing and office machinery
Information Patent Grant
Developing cartridge having electrode contactable with another elec...
- Patent number 11,573,503
- Issue date Feb 7, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including support frame with ground plate a...
- Patent number 11,561,502
- Issue date Jan 24, 2023
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including casing and first and second agitator...
- Patent number 11,537,062
- Issue date Dec 27, 2022
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including cam movable relative to casing betwe...
- Patent number 11,454,923
- Issue date Sep 27, 2022
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including holder for holding electrical contact surface a...
- Patent number 11,435,690
- Issue date Sep 6, 2022
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including agitator configured to contact perip...
- Patent number 11,415,912
- Issue date Aug 16, 2022
- Brother Kogyo Kabushiki Kaisha
- Hotaka Kakutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having first inclined surface movable together...
- Patent number 11,385,563
- Issue date Jul 12, 2022
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit
- Patent number 11,320,779
- Issue date May 3, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 11,256,208
- Issue date Feb 22, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 11,249,418
- Issue date Feb 15, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drawer including photosensitive drum and frame, and image forming a...
- Patent number 11,204,579
- Issue date Dec 21, 2021
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including casing and first and second agitator...
- Patent number 11,143,981
- Issue date Oct 12, 2021
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with rotation-controllable photosensitive d...
- Patent number 11,061,357
- Issue date Jul 13, 2021
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 10,962,923
- Issue date Mar 30, 2021
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit
- Patent number 10,942,485
- Issue date Mar 9, 2021
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including casing and first and second agitator...
- Patent number 10,901,340
- Issue date Jan 26, 2021
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device
- Patent number 10,890,858
- Issue date Jan 12, 2021
- Brother Kogyo Kabushiki Kaisha
- Kengo Yada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having electrode contactable with another elec...
- Patent number 10,890,857
- Issue date Jan 12, 2021
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 10,859,942
- Issue date Dec 8, 2020
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20250013165
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...
- Publication number 20240393737
- Publication date Nov 28, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT
- Publication number 20240272579
- Publication date Aug 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20240272580
- Publication date Aug 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20240027953
- Publication date Jan 25, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...
- Publication number 20230288865
- Publication date Sep 14, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20230280673
- Publication date Sep 7, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20230136526
- Publication date May 4, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...
- Publication number 20230108945
- Publication date Apr 6, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...
- Publication number 20220373963
- Publication date Nov 24, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT
- Publication number 20220236689
- Publication date Jul 28, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220206428
- Publication date Jun 30, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20220146960
- Publication date May 12, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20220137549
- Publication date May 5, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...
- Publication number 20220004118
- Publication date Jan 6, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CAM MOVABLE RELATIVE TO CASING BETWE...
- Publication number 20210349421
- Publication date Nov 11, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING FIRST INCLINED SURFACE MOVABLE TOGETHER...
- Publication number 20210341855
- Publication date Nov 4, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...
- Publication number 20210311429
- Publication date Oct 7, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING AGITATOR CONFIGURED TO CONTACT PERIP...
- Publication number 20210255567
- Publication date Aug 19, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Hotaka KAKUTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20210208532
- Publication date Jul 8, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT
- Publication number 20210165361
- Publication date Jun 3, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20210165342
- Publication date Jun 3, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...
- Publication number 20210141320
- Publication date May 13, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20210109456
- Publication date Apr 15, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRAWER INCLUDING PHOTOSENSITIVE DRUM AND FRAME, AND IMAGE FORMING A...
- Publication number 20200379401
- Publication date Dec 3, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...
- Publication number 20200363752
- Publication date Nov 19, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT
- Publication number 20200341426
- Publication date Oct 29, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200301351
- Publication date Sep 24, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki OOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development Device
- Publication number 20200285170
- Publication date Sep 10, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Kengo YADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20200257241
- Publication date Aug 13, 2020
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazuaki OOKA

Person

Patents Grantslast 30 patents

Developing cartridge including shaft and cam having cam surface

Developer cartridge

Developing cartridge including casing and first and second agitator...

Cartridge including holder for holding electrical contact surface a...

Developing cartridge having electrode contactable with another elec...

Developing cartridge including shaft and cam having cam surface

Drum unit

Developing cartridge including shaft and cam having cam surface

Developer cartridge

Cartridge including holder for holding electrical contact surface a...

Toner cartridge

Developing cartridge having electrode contactable with another elec...

Image forming apparatus including support frame with ground plate a...

Developing cartridge including casing and first and second agitator...

Developing cartridge including cam movable relative to casing betwe...

Cartridge including holder for holding electrical contact surface a...

Developing cartridge including agitator configured to contact perip...

Developing cartridge having first inclined surface movable together...

Drum unit

Developing cartridge including shaft and cam having cam surface

Developer cartridge

Drawer including photosensitive drum and frame, and image forming a...

Developing cartridge including casing and first and second agitator...

Image forming apparatus with rotation-controllable photosensitive d...

Developing cartridge including shaft and cam having cam surface

Drum unit

Developing cartridge including casing and first and second agitator...

Development device

Developing cartridge having electrode contactable with another elec...

Developer cartridge

Patents Applicationslast 30 patents

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...

DRUM UNIT

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...

DEVELOPER CARTRIDGE

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...

CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...

DRUM UNIT

IMAGE FORMING APPARATUS

DEVELOPER CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...

DEVELOPING CARTRIDGE INCLUDING CAM MOVABLE RELATIVE TO CASING BETWE...

DEVELOPING CARTRIDGE HAVING FIRST INCLINED SURFACE MOVABLE TOGETHER...

CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE A...

DEVELOPING CARTRIDGE INCLUDING AGITATOR CONFIGURED TO CONTACT PERIP...

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

DRUM UNIT

DEVELOPER CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

DRAWER INCLUDING PHOTOSENSITIVE DRUM AND FRAME, AND IMAGE FORMING A...

DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...

DRUM UNIT

IMAGE FORMING APPARATUS

Development Device

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE