Wei Yu Chang

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Patents Applicationslast 30 patents

Information Patent Application
CARBON NANOTUBE DEVICE AND A WAFER FOR GROWING CARBON NANOTUBE
- Publication number 20110212319
- Publication date Sep 1, 2011
- LI-CHUN WANG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Self-lifting apparatus for box cover
- Publication number 20040016675
- Publication date Jan 29, 2004
- Shyh Ru Metallic Industrial Corp.
- Wei Yu Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL