Inventor · disambiguated record
Frederick Robert Chang
Also filed as: CHANG FREDERICK ROBERT
5 granted patents·72 citations·filing 2001–2009
79Inventor score
Technology areasH04L
Files withAT & T IP I LP1AT & T KNOWLEDGE VENTURES LP1CHANG FREDERICK ROBERT1SBC KNOWLEDGE VENTURES LP1SBC TECHN RES INC1
Top patents by PatentIndex Score
5 records- 0187US7272645B2Method of improving the reliability of peer-to-peer network downloadsSBC TECHN RES INC·Filed 2001·Granted Sep 18, 2007·57 cites·27 claims
- 0281US7475132B2Method of improving the reliability of peer-to-peer network downloadsAT & T KNOWLEDGE VENTURES LP·Filed 2007·Granted Jan 6, 2009·9 cites·22 claims
- 0364US7633951B2Ethernet wide area network and methodAT & T IP I LP·Filed 2006·Granted Dec 15, 2009·2 cites·13 claims
- 0458US7046671B2Ethernet wide area network and methodSBC KNOWLEDGE VENTURES LP·Filed 2002·Granted May 16, 2006·4 cites·16 claims
- 0548US8149853B2Ethernet wide area networks and methodsCHANG FREDERICK ROBERT·Filed 2009·Granted Apr 3, 2012·0 cites·18 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →