Warren Wan

Follow

Person

Pasadena, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Predictive communication routing scheme using instant messaging pre...
- Patent number 8,223,747
- Issue date Jul 17, 2012
- Yahoo! Inc.
- Madhu Yarlagadda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated instant messaging, routing and telephone services billin...
- Patent number 7,634,072
- Issue date Dec 15, 2009
- Yahoo! Inc.
- Madhu Yarlagadda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Centrally controllable instant messaging system
- Patent number 7,240,214
- Issue date Jul 3, 2007
- Yahoo!, Inc.
- Marco Gazzetta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Predictive communication routing scheme using instant messaging pre...
- Publication number 20060023695
- Publication date Feb 2, 2006
- Yahoo! Inc.
- Madhu Yarlagadda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Integrated instant messaging, routing and telephone services billin...
- Publication number 20050259798
- Publication date Nov 24, 2005
- Yahoo!, Inc.
- Madhu Yarlagadda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Centrally controllable instant messaging system
- Publication number 20040083297
- Publication date Apr 29, 2004
- Yahoo!, Inc.
- Marco Gazzetta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE