Inventor · disambiguated record
Joanna Qun Zang
Also filed as: ZANG JOANNA · ZANG JOANNA QUN
7 granted patents·397 citations·filing 2000–2009
88Inventor score
Top patents by PatentIndex Score
7 records- 0197US7113484B1Downstream channel change technique implemented in an access networkCISCO TECH INC·Filed 2000·Granted Sep 26, 2006·196 cites·55 claims
- 0293US7656890B2Downstream channel change technique implemented in an access networkCISCO TECH INC·Filed 2006·Granted Feb 2, 2010·26 cites·30 claims
- 0393US7058007B1Method for a cable modem to rapidly switch to a backup CMTSCISCO TECH INC·Filed 2000·Granted Jun 6, 2006·107 cites·41 claims
- 0486US7672230B2Downstream channel change technique implemented in an access networkCISCO TECH INC·Filed 2006·Granted Mar 2, 2010·11 cites·35 claims
- 0585US7068712B1Cable network redundancy architectureCISCO TECH INC·Filed 2000·Granted Jun 27, 2006·53 cites·59 claims
- 0666US8935363B2System and method for delivering multimedia content for playback through networkZANG JOANNA·Filed 2009·Granted Jan 13, 2015·4 cites·66 claims
- 0744USRE44661EMethod for a cable modem to rapidly switch to a backup CMTSDARUWALLA FEISAL·Filed 2006·Granted Dec 24, 2013·0 cites·63 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →