Inventor · disambiguated record
Chang Yu
Also filed as: YU CHANG · YU CHANG-SUNG
7 granted patents·744 citations·filing 1997–2005
90Inventor score
Top patents by PatentIndex Score
7 records- 0197US6741853B1Device aware internet portalNORTEL NETWORKS LTD·Filed 2000·Granted May 25, 2004·368 cites·9 claims
- 0286US6094580AMethod for optimizing cell-site placementNORTEL NETWORKS CORP·Filed 1997·Granted Jul 25, 2000·123 cites·26 claims
- 0381US6047186AMethod and system for solving cellular communications frequency planning problemNORTEL NETWORKS CORP·Filed 1997·Granted Apr 4, 2000·110 cites·12 claims
- 0472US6539221B1Automated wireless network designNORTEL NETWORKS LTD·Filed 1999·Granted Mar 25, 2003·65 cites·16 claims
- 0569US7551162B2Method for keypad optimizationYU CHANG-SUNG·Filed 2005·Granted Jun 23, 2009·7 cites·9 claims
- 0668US6535742B1Method and apparatus for the self engineering of adaptive channel allocationNORTEL NETWORKS LTD·Filed 1999·Granted Mar 18, 2003·59 cites·8 claims
- 0733US6411798B1Method of assigning frequencies for use during wireless system drive testingNORTEL NETWORKS LTD·Filed 1999·Granted Jun 25, 2002·12 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →