Chang Yu

Follow

Person

Plano, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Device aware internet portal
- Patent number 6,741,853
- Issue date May 25, 2004
- Nortel Networks Limited
- Hua Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automated wireless network design
- Patent number 6,539,221
- Issue date Mar 25, 2003
- Nortel Networks Limited
- Mini Vasudevan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for the self engineering of adaptive channel a...
- Patent number 6,535,742
- Issue date Mar 18, 2003
- Nortel Networks Limited
- Hua Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of assigning frequencies for use during wireless system driv...
- Patent number 6,411,798
- Issue date Jun 25, 2002
- Nortel Networks Limited
- Michael Frenkel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for optimizing cell-site placement
- Patent number 6,094,580
- Issue date Jul 25, 2000
- Nortel Networks Corporation
- Chang Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for solving cellular communications frequency pla...
- Patent number 6,047,186
- Issue date Apr 4, 2000
- Nortel Networks Corporation
- Chang Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE