Duen-Kwei HWANG

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Changhua City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Lens assembly with an image sensor backoff mechanism
- Patent number 8,717,482
- Issue date May 6, 2014
- Asia Optical Co., Inc.
- Duen-Kwei Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electric dust-proof device
- Patent number 7,652,719
- Issue date Jan 26, 2010
- Asia Optical Co., Inc.
- Chun-Yu Hsueh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS ASSEMBLY WITH AN IMAGE SENSOR BACKOFF MECHANISM
- Publication number 20130088631
- Publication date Apr 11, 2013
- ASIA OPTICAL CO., INC.
- Duen-Kwei HWANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electric dust-proof device
- Publication number 20080012982
- Publication date Jan 17, 2008
- Chun-Yu Hsueh
- G02 - OPTICS