Inventor · disambiguated record
Zhidan Cheng
Also filed as: CHENG ZHIDAN
4 granted patents·6 pending applications·77 citations·filing 1999–2007
74Inventor score
Top patents by PatentIndex Score
10 records- 0163US6704282B1VPN tunnel redirection3COM CORP·Filed 1999·Granted Mar 9, 2004·67 cites·16 claims
- 0259US7522598B2System and method of protecting an IGMP proxyTELLABS PETALUMA INC·Filed 2004·Granted Apr 21, 2009·7 cites·22 claims
- 0353US7274712B2System and method of operating the system that responds to channel change requests without causing macro-blockingTELLABS PETALUMA INC·Filed 2003·Granted Sep 25, 2007·2 cites·20 claims
- 0447US7486612B2Fault-tolerant multicasting networkTELLABS PETALUMA INC·Filed 2002·Granted Feb 3, 2009·1 cites·14 claims
- 0543US2006153088A1Method and system of insuring that a user receives a multicast television signal when changing channels during a control mode switch overWONG ALLEN T·Filed 2004·Application pending·0 cites
- 0642US2006126626A1System and method of sharing video head endsWONG ALLEN T·Filed 2004·Application pending·0 cites
- 0741US2005125420A1System and method of operating the system that prevents multiple channels from continuously being sent to the same set top boxFiled 2003·Application pending·0 cites
- 0840US2006072601A1Virtual IP interfaceCHENG ZHIDAN·Filed 2003·Application pending·0 cites
- 0936US2008295153A1System and method for detection and communication of computer infection status in a networked environmentCHENG ZHIDAN·Filed 2007·Application pending·0 cites
- 1036US2006206600A1Method of operating a video-on-demand system that prevents congestionWONG ALLEN T·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →