Chong-Han Tsai

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Taipei County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light tunnel with gradient filter layer
- Patent number 7,287,863
- Issue date Oct 30, 2007
- Prodisc Technology Inc.
- Nai-Yueh Liang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION SYSTEM AND PLASTIC COLOR WHEEL ASSEMBLY THEREOF
- Publication number 20080225240
- Publication date Sep 18, 2008
- Kuang-Hua CHANG
- G02 - OPTICS
Information Patent Application
COLOR WHEEL ASSEMBLY
- Publication number 20080170314
- Publication date Jul 17, 2008
- Kuang-Hua Chang
- G02 - OPTICS
Information Patent Application
Color wheel and motor thereof
- Publication number 20060132947
- Publication date Jun 22, 2006
- PRODISC TECHNOLOGY INC.
- Kuang-Hua Chang
- G02 - OPTICS
Information Patent Application
Light tunnel with gradient filter layer
- Publication number 20060109425
- Publication date May 25, 2006
- PRODISC TECHNOLOGY INC.
- Nai-Yueh Liang
- G02 - OPTICS