Hong Kong, China

Pentalpha Hong Kong Limited


USPTO Granted Patents = 2

Forward Citations = 50

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3 inventors (with patents filed for the assignee):

goldMedal Chun Kuen Sham John (2 out of 2 patents)

silverMedal Kumkit Kunavongvorakul (1 out of 1 patent)

bronzeMedal Kumkit KunavongVorakul (1 out of 9 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#1,153 in Hong Kong

#9,951 in China

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Hong Kong, China
Forward Citations = 50

3 inventors:

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