Shan-Wen Chang

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Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Focusing auxiliary device of image-capturing apparatus
- Patent number 7,430,012
- Issue date Sep 30, 2008
- Transpacific Plasma, LLC
- Shan-Wen Chang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Focusing auxiliary device of image-capturing apparatus
- Publication number 20050036058
- Publication date Feb 17, 2005
- Shan-Wen Chang
- G02 - OPTICS