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COM21 INC

Overview
  • Total Patents
    16
About

COM21 INC has a total of 16 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets telecommunications, audio-visual technology and digital networks are MEDIAONE GROUP INC, MEDIA GLOBAL LINKS CO LTD and ADVENT NETWORKS INC.

Patent filings in countries

World map showing COM21 INCs patent filings in countries

Patent filings per year

Chart showing COM21 INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baran Paul 12
#2 Laubach Mark 6
#3 Raissinia Ali 5
#4 Laubach Mark E 4
#5 Gorman Kenneth 4
#6 Bunya George K 3
#7 Heinzmann F Jud 3
#8 Hollimon Marshall H 3
#9 Helton Sanford L 2
#10 Sabin Michael J 2

Latest patents

Publication Filing date Title
US6137793A Reverse path multiplexer for use in high speed data transmissions
US6081533A Method and apparatus for an application interface module in a subscriber terminal unit
US5870134A CATV network and cable modem system having a wireless return path
US6028860A Prioritized virtual connection transmissions in a packet to ATM cell cable network
US6094211A TV and data cable system ingress noise blocker
US5425027A Wide area fiber and TV cable fast packet cell network
US5421030A Communications system and method for bi-directional communications between an upstream control facility and downstream user terminals