Developing device and image forming apparatus with separately driven elements

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11567429
APP PUB NO 20220373927A1
SERIAL NO

17409914

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Importance

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Abstract

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A developing device includes a first transport member and a second transport member that are respectively disposed in a first transport path and a second transport path arranged in a vertical direction and that transport developer so as to circulate the developer between the first transport path and the second transport path; a developing member that is disposed to face the first transport path and that receives the developer from the first transport path; and a driving device that operates such that a relative speed ratio between a rotational speed of the developing member and a rotational speed of the second transport member is changeable.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM BUSINESS INNOVATION CORP7-3 AKASAKA 9-CHOME MINATO-KU TOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Funada, Atsushi Kanagawa, JP 34 60
Hongo, Mitsutoshi Kanagawa, JP 20 29
Igawa, Shota Kanagawa, JP 7 3
Kanno, Makoto Kanagawa, JP 38 200
Kato, Masanori Kanagawa, JP 157 1153
Nakajima, Yoshitaka Kanagawa, JP 34 134
Nakao, Yoshihisa Kanagawa, JP 22 46
Tsujino, Sadayuki Kanagawa, JP 4 0
Uchimitsu, Daisuke Kanagawa, JP 15 6
Yamada, Katsumi Kanagawa, JP 94 581

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