For the Inventor, By the Inventor

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Cumbernauld, United Kingdom

Oki (UK) Ltd.

USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Shigenori Koido (1 out of 20 patents)

Junichi Itou (1 out of 1 patent)

Alan Davidson (1 out of 1 patent)

4. Peter Barnes (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8213840 - Developer material holding apparatus, process cartridge to which the developer material holding apparatus is attached, and image forming apparatus to which the process cartridge is attached (2012-07-03),

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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#3 in Cumbernauld

#9,869 in United Kingdom

Cumbernauld, United Kingdom

Oki (UK) Ltd.

Forward Citations = 0

4 inventors:

Shigenori Koido (1 out of 20 patents)

Junichi Itou (1 out of 1 patent)

Alan Davidson (1 out of 1 patent)

4. Peter Barnes (1 out of 1 patent)

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