Yu Hei S. Wai

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Belmont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Anti-resonant transducer
- Patent number 7,368,654
- Issue date May 6, 2008
- Yu Hei Sunny Wai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Optimum composite cascode amplifier
- Patent number 7,183,842
- Issue date Feb 27, 2007
- Yu Hei Sunny Wai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vehicle operation display system
- Patent number 7,145,442
- Issue date Dec 5, 2006
- Yu Hei Sunny Wai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Point source contact transducer
- Patent number 7,034,218
- Issue date Apr 25, 2006
- Arnold M. Lazarus
- G10 - MUSICAL INSTRUMENTS ACOUSTICS