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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Wong Technologies L.l.c.


USPTO Granted Patents = 2

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Oscar Chi Lim Au (2 out of 27 patents)

silverMedal Richard Yuk Ming Li (2 out of 2 patents)


2 patents:

1. 8650402 - General data hiding framework using parity for minimal switching (2014-02-11),
2. 7986441 - Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites (2011-07-26),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#867 in Wilmington, DE

#1,268 in Delaware

#92,696 in US

...
Wilmington, DE, United States of America

Wong Technologies L.l.c.

Forward Citations = 3

2 inventors:

goldMedal Oscar Chi Lim Au (2 out of 27 patents)

silverMedal Richard Yuk Ming Li (2 out of 2 patents)

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