Lee-Der Jou

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Jen-Wu Hsiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Impact method and the device used in standard penetration test
- Patent number 6,286,613
- Issue date Sep 11, 2001
- Jiin-Song Tsai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Downhole sampling method and device used in standard penetration test
- Publication number 20040065453
- Publication date Apr 8, 2004
- Jiin-Song Tsai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING