Learn more

JOHNSON CO E F

Overview
  • Total Patents
    116
  • GoodIP Patent Rank
    61,300
  • Filing trend
    ⇩ 42.0%
About

JOHNSON CO E F has a total of 116 patent applications. It decreased the IP activity by 42.0%. Its first patent ever was published in 1945. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, digital networks and electrical machinery and energy are NOVATEL WIRELESS INC, TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) and SUNDARESAN KARTHIKEYAN.

Patent filings per year

Chart showing JOHNSON CO E Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roy Arindam 18
#2 Bauman Donald R 16
#3 Barnes Keith W 14
#4 Keefer Philip A 13
#5 Mihelich Michael E 12
#6 Brace Howard N 12
#7 Conley Jerry J 10
#8 Mortensen Gary B 8
#9 Grindahl Mervin L 7
#10 Jensen Dana J 6

Latest patents

Publication Filing date Title
US2016198540A1 Control head with electroluminescent panel in land mobile radio
US2016112882A1 System and method for simulating a land mobile radio system
US2016135207A1 System and method for dynamic channel allocaton
US2016087597A1 Automatic volume control for land mobile radio
US2016036624A1 Interoperability gateway for land mobile radio system
US2014308949A1 System and method for providing mobility management and out-of-coverage indication in a conventional land mobile radio system
US2014220925A1 System and method for providing radio communication in a land mobile radio system
US2014211650A1 Hybrid land mobile radio system incorporating mobility management and out-of-coverage indication
US2014273916A1 Distributed simulcast architecture
US2014195801A1 Method and system for encryption of messages in land mobile radio systems
US2013294323A1 Method and system for peer-to-peer communication among sites
US2010227583A1 Land mobile radio dispatch console
US7221660B1 System and method for multicast communications using real time transport protocol (RTP)
AU2450297A Simultaneous broadcast management system
US5991309A Bandwidth management system for a remote repeater network
US5724515A Packet radio communication system
US5577269A Antenna connector for a portable radio
US5689171A Battery charger
US5678206A Keypad cover hinge
US5159701A Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system