Hoi Chang

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West Lafayette, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for tamperproofing software
- Patent number 7,757,097
- Issue date Jul 13, 2010
- Purdue Research Foundation
- Mikhail J. Atallah
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Guards for application in software tamperproofing
- Patent number 7,287,166
- Issue date Oct 23, 2007
- Purdue Research Foundation
- Hoi Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and system for tamperproofing software
- Publication number 20060031686
- Publication date Feb 9, 2006
- Purdue Research Foundation
- Mikhail J. Atallah
- G06 - COMPUTING CALCULATING COUNTING