Helen Lai Wa Chan-Wong

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Driver for an ultrasonic transducer and an ultrasonic transducer
- Patent number 7,462,960
- Issue date Dec 9, 2008
- The Hong Kong Polytechnic University
- Siu Wing Or
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetoelectric devices and methods of using same
- Patent number 7,199,495
- Issue date Apr 3, 2007
- The Hong Kong Polytechnic University
- Siu Wing Or
- H01 - BASIC ELECTRIC ELEMENTS