Jang-Yan Hung

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Spring-free type focusing and defocusing mechanism for a digital ca...
- Patent number 5,970,262
- Issue date Oct 19, 1999
- Umax Data Systems Inc.
- Kou-Lung Tseng
- G02 - OPTICS