Changnian Liang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Differentiated, integrated and individualized education
- Patent number 8,666,298
- Issue date Mar 4, 2014
- Coentre Ventures LLC
- Changnian Liang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Self-Adaptive Study Evaluation
- Publication number 20100129783
- Publication date May 27, 2010
- Changnian Liang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
User Interface for Individualized Education
- Publication number 20100005413
- Publication date Jan 7, 2010
- Changnian Liang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Differentiated, Integrated and Individualized Education
- Publication number 20090287619
- Publication date Nov 19, 2009
- Changnian Liang
- G06 - COMPUTING CALCULATING COUNTING