Chang Li

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Toronto, CA

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Patents Applicationslast 30 patents

Information Patent Application
Managing negotiation limits in an e-commerce system
- Publication number 20070179880
- Publication date Aug 2, 2007
- International Business Machines Corporation
- Howard Borenstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Transaction Oriented Promotion Conflict Resolution
- Publication number 20050240537
- Publication date Oct 27, 2005
- International Business Machines Corporation
- Chang Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Pattern based promotion evaluation
- Publication number 20050240474
- Publication date Oct 27, 2005
- International Business Machines Corporation
- Chang Li
- G06 - COMPUTING CALCULATING COUNTING