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Hong Kong, HK
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last 30 patents
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Patent Grant
Inverter device utilizing three switches controlled in a concurrent...
Patent number
7,423,891
Issue date
Sep 9, 2008
Pi International Ltd.
Kwok-Pun Ho
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
Inverter device
Publication number
20060256598
Publication date
Nov 16, 2006
Kwok-Pun Ho
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...