Hong Kong, China

Cotco Holdings Limited


USPTO Granted Patents = 2

Forward Citations = 137

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3 inventors (with patents filed for the assignee):

goldMedal Victor Yue Kwong Lau (1 out of 5 patents)

silverMedal Wa-Hing Leung (1 out of 1 patent)

bronzeMedal Keong Mun Chan (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,156 in Hong Kong

#10,046 in China

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Hong Kong, China
Forward Citations = 137

3 inventors:

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