Assignee
COM21 INC
US·9 granted patents·2,055 citations·filing 1991–1998
Top patents by PatentIndex Score
9 records- 0197US5425027AWide area fiber and TV cable fast packet cell networkCOM21 INC·Filed 1993·Granted Jun 13, 1995·244 cites·18 claims
- 0296US6137793AReverse path multiplexer for use in high speed data transmissionsCOM21 INC·Filed 1997·Granted Oct 24, 2000·389 cites·2 claims
- 0395US5421030ACommunications system and method for bi-directional communications between an upstream control facility and downstream user terminalsCOM21 INC·Filed 1991·Granted May 30, 1995·274 cites·2 claims
- 0493US6081533AMethod and apparatus for an application interface module in a subscriber terminal unitCOM21 INC·Filed 1997·Granted Jun 27, 2000·336 cites·89 claims
- 0592US6028860APrioritized virtual connection transmissions in a packet to ATM cell cable networkCOM21 INC·Filed 1996·Granted Feb 22, 2000·312 cites·30 claims
- 0690US6075972ACATV network and cable modem system having a wireless return pathCOM21 INC·Filed 1998·Granted Jun 13, 2000·117 cites·5 claims
- 0789US5870134ACATV network and cable modem system having a wireless return pathCOM21 INC·Filed 1997·Granted Feb 9, 1999·111 cites·22 claims
- 0888US6049693AUpstream ingress noise blocking filter for cable television systemCOM21 INC·Filed 1997·Granted Apr 11, 2000·140 cites·4 claims
- 0987US6094211ATV and data cable system ingress noise blockerCOM21 INC·Filed 1996·Granted Jul 25, 2000·132 cites·25 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →