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Aping Zhang
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Hong Kong, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Sensor for measuring flow speed of a fluid
Patent number
9,557,344
Issue date
Jan 31, 2017
The Hong Kong Polytechnic University
Hwayaw Tam
G02 - OPTICS
Information
Patent Grant
Pressure gauge
Patent number
7,062,973
Issue date
Jun 20, 2006
The Hong Kong Polytechnic University
Hwayaw Tam
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
DIGITAL ULTRAVIOLET LITHOGRAPHY METHOD AND APPARATUS
Publication number
20240210837
Publication date
Jun 27, 2024
The Hong Kong Polytechnic University
Aping ZHANG
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Sensor for measuring flow speed of a fluid
Publication number
20130014577
Publication date
Jan 17, 2013
The Hong Kong Polytechnic University
Hwayaw Tam
G02 - OPTICS
Information
Patent Application
PRESSURE GAUGE
Publication number
20060070446
Publication date
Apr 6, 2006
Hwayaw Tam
G01 - MEASURING TESTING