Learn more

TIE COMMUNICATIONS

Overview
  • Total Patents
    60
About

TIE COMMUNICATIONS has a total of 60 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets telecommunications, digital networks and electrical machinery and energy are VOICE TECH GROUP INC, AMERITECH CORP and SUMMIT TELECOM SYSTEMS INC.

Patent filings in countries

World map showing TIE COMMUNICATIONSs patent filings in countries
# Country Total Patents
#1 Canada 26
#2 United States 17
#3 Australia 5
#4 China 3
#5 Japan 3
#6 France 2
#7 United Kingdom 2
#8 Italy 2

Patent filings per year

Chart showing TIE COMMUNICATIONSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Korsky Vincent V 15
#2 Coviello Frank A 11
#3 Bloch Alan 10
#4 Puebla Candido 9
#5 Guzik Ira 9
#6 Laotetpitaks Chansak 8
#7 Hamatani Fumikazu 8
#8 Tsutsumi Fumio 6
#9 Kerman Stephen E 6
#10 Shinoi Tsuyoshi 5

Latest patents

Publication Filing date Title
US5081329A Key assembly, switch assembly and method of making same
US4894860A Trunk interface circuitry for telephone systems
US4740955A Communications system having voice and digital data capability and employing a plurality of voice and data buses in main service unit and serial packetized transmission to and from telephones
US4667142A Three-way power source circuit
CN1003271B Method and apparatus for telephone exchange system synchronize
US4679228A Speakerphone sensing circuit
US4674118A Telephone line hold and hold release apparatus
US4715062A Speakerphone control circuit having low gain states and method for controlling gain of speakerphone
US4757521A Synchronization method and apparatus for a telephone switching system
US4577310A Station interface for digital electronic telephone switching system having centralized digital audio processor
US4773068A Dual channel transmission method and apparatus with inherent channel identification and extraction
CA1178723A Station card circuit for electronic key telephone system
CA1177981A Page card circuit for electronic key telephone system
CA1178722A Electronic key telephone system
CA1177982A Link card circuit for electronic key telephone system
CA1177980A Line card circuit for electronic key telephone system
US4338495A Electronic key telephone systems
US4203011A Computer controlled key telephone station set
US4173714A Communication circuit with combined power feed and data transmission over a phantom channel
US4140877A Muliple highway time division multiplexed PABX communication system