For the Inventor, By the Inventor

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Otiga Technologies Limited

USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Lee-En Liu (1 out of 1 patent)

I-Pang Lin (1 out of 1 patent)

Yen-Chang Chen (1 out of 2 patents)

4. Shengfu Lin (1 out of 8 patents)

1 patent: Sort by Forward Citations

1. 8467609 - Document management device and document management method with identification, classification, search, and save functions (2013-06-18),

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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#2,229 in Taipei

#6,125 in Taiwan

Otiga Technologies Limited

Forward Citations = 0

4 inventors:

Lee-En Liu (1 out of 1 patent)

I-Pang Lin (1 out of 1 patent)

Yen-Chang Chen (1 out of 2 patents)

4. Shengfu Lin (1 out of 8 patents)

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