Longsong Ran

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Inspection container
- Patent number 7,838,857
- Issue date Nov 23, 2010
- Tsinghua University
- Zhiqiang Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CT SECURITY INSPECTION SYSTEM FOR BAGGAGE AND DETECTOR ARRANGEMENT...
- Publication number 20140314200
- Publication date Oct 23, 2014
- Zhiqiang Chen
- G01 - MEASURING TESTING
Information Patent Application
INSPECTION CONTAINER
- Publication number 20090065707
- Publication date Mar 12, 2009
- Zhiqiang Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL