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MANITOBA TELEPHONE SYSTEM

Overview
  • Total Patents
    11
About

MANITOBA TELEPHONE SYSTEM has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in EPO (European Patent Office), United States and United Kingdom. Its main competitors in its focus markets telecommunications, digital networks and computer technology are INOUE TAKERU, SPYGLASS INC and UMEHARA NAOKI.

Patent filings in countries

World map showing MANITOBA TELEPHONE SYSTEMs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 5
#2 United States 4
#3 United Kingdom 1
#4 Japan 1

Patent filings per year

Chart showing MANITOBA TELEPHONE SYSTEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gimple Irving 4
#2 Boland Peter 4
#3 Rodman William 4
#4 Coyne John 2
#5 Lemire James Russel 2
#6 Lemire James R 2
#7 Pollard Alan Jonathan 2
#8 Pollard Alan J 1
#9 Pollard Jonathan Allan 1

Latest patents

Publication Filing date Title
GB8621333D0 Key management system
EP0194782A2 Telecommunications security device
EP0132465A1 Video distribution control system
EP0132464A1 Video and data distribution module with subscriber terminal
EP0131662A1 Distributed network synchronization system
US4430731A Video and data distribution module with subscriber terminal
US4411007A Distributed network synchronization system
US4484218A Video distribution control system