Kuan-Hsiang Chang

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Daliao Shiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Substrate of artificial leather including ultrafine fibers and meth...
- Patent number 7,494,697
- Issue date Feb 24, 2009
- San Fang Chemical Industry Co., Ltd.
- Lung-Chuan Wang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Substrate of Artificial Leather Including Ultrafine Fibers
- Publication number 20090098785
- Publication date Apr 16, 2009
- Lung-Chuan Wang
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Substrate of artificial leather including ultrafine fibers and meth...
- Publication number 20060263601
- Publication date Nov 23, 2006
- San Fang Chemical Industry Co., LTD.
- Lung-Chuan Wang
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING