Chii-Hua Lee

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Optically variable multilayer film and optically variable pigment o...
- Patent number 5,437,931
- Issue date Aug 1, 1995
- Industrial Technology Research Institute
- Rung-Ywan Tsai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Traffic signal device with interchangeable lamps
- Patent number 5,408,232
- Issue date Apr 18, 1995
- Industrial Technology Research Institute
- Rung-Ywan Tsai
- G08 - SIGNALLING