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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
Information
Patent Grant
Microlens and long period gratings
Patent number
6,208,787
Issue date
Mar 27, 2001
The Hong Kong Polytechnic University
Hwayaw Tam
G02 - OPTICS
Patents Applications
last 30 patents
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