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Chihiro Tanaka
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Noda-shi, JP
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last 30 patents
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Patent Grant
Developing device having spaced rotatable members and a developer g...
Patent number
12,339,598
Issue date
Jun 24, 2025
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device having enhanced carrier control
Patent number
12,197,147
Issue date
Jan 14, 2025
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device
Patent number
11,846,898
Issue date
Dec 19, 2023
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus
Patent number
11,556,077
Issue date
Jan 17, 2023
Canon Kabushiki Kaisha
Tomoyuki Sakamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus having magnetic field generating portion
Patent number
10,739,703
Issue date
Aug 11, 2020
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPMENT DEVICE
Publication number
20250237976
Publication date
Jul 24, 2025
Canon Kabushiki Kaisha
CHIHIRO TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20250138451
Publication date
May 1, 2025
Canon Kabushiki Kaisha
Yuji Ohkubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20250138450
Publication date
May 1, 2025
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20240272564
Publication date
Aug 15, 2024
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20240069470
Publication date
Feb 29, 2024
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20230288843
Publication date
Sep 14, 2023
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION APPARATUS
Publication number
20220260947
Publication date
Aug 18, 2022
Canon Kabushiki Kaisha
Tomoyuki Sakamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING APPARATUS
Publication number
20200064756
Publication date
Feb 27, 2020
Canon Kabushiki Kaisha
Chihiro Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY