Learn more

IPC INFORMATION SYSTEMS INC

Overview
  • Total Patents
    20
About

IPC INFORMATION SYSTEMS INC has a total of 20 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets telecommunications, digital networks and computer technology are PEDESTAL NETWORKS INC, B2 BREDBAND AB and KOUGA DENSHI KK.

Patent filings per year

Chart showing IPC INFORMATION SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cotton John M 19
#2 Olsen Neil C 11
#3 Necula Nicholas 10
#4 Oswald William A 8
#5 Abreu Enrique 6
#6 Wissink Alex T 6
#7 Pieper Gary V 5
#8 De Bruyn Rudy 4
#9 Mascarenhas Maurice J 4
#10 Tyra Fryderyk 2

Latest patents

Publication Filing date Title
US6212177B1 Remotely accessible key telephone system
EP0753228A1 Atm adapter port for constant bit rate (cbr) data
US5623489A Channel allocation system for distributed digital switching network
US5535197A Shared buffer switching module
US5255264A Distributed control switching network for multi-line telephone communications
US5237571A Broadcast system for distributed switching network
US5577075A Distributed clocking system
US5379280A Conferencing system for distributed switching network
US5214691A Key telephone system with virtual private lines