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120 years of Anritsu

Anritsu was founded in 1895, the year in which Marconi successfully demonstrated the world's first wireless telegraph. The development of Anritsu has traced the emergence of modern communications, and its history has run concurrent with the evolution of information and communication networks. 


  • 1895

    "Sekisan-sha" the joint-investment company, established predecessor of Anritsu

  • 1900

    Annaka Electric Co., Ltd. established

  • 1903

    Annaka exhibits a wireless communication transmitter and a 30cm spark coil at the 5th Japan National Industrial Exhibition

  • 1908

    Merger of Sekisan-sha with Abe Electric Co., Ltd to establish the Kyoritsu Electric Co., Ltd.
    Kyoritsu concentrates on mass production of common-battery telephone (renamed the public telephone in 1925)

  • 1912

    Annaka and Ministry of Post and Communications Electrotechnical Laboratory complete manufacture of the TYK Radio telephone
    The telephone was installed for cable and telegraph services (between Toshijima and Kamijima in Toba, Mie prefecture in 1914 where it garnished attention as the world’s first practical use wireless telephone)

  • 1924

    Annaka begins manufacture of radio receivers, speakers and headphones following the introduction of radio broadcasting

  • 1925

    Annaka manufactures Japan’s first 500-watt broadcasting equipment for use at the Tokyo Central Radio Station, Atagoyama Transmitter Station No. 2 Facility

  • 1928

    Annaka manufactures Marine-Use 2kW Remote Operation Wireless Transmitter
    Supplied Asama-maru and other U.S./Europe-bound ships that were highly regarded


  • 1931

    Anritsu Electric Co., Ltd. established, following the merger of Kyoritsu Electric with Annaka Electric

  • 1933

    Anritsu produces Japan's first TV broadcast transmitter, supplied to Hamamatsu Advanced Technical School (now Shizuoka University)

  • 1939

    Anritsu completes Japan’s first automated public telephone (unit No. 1)
    Anritsu develops AC-bias magnetic sound recorder, the prototype of modern tape recorders

  • 1943

    Anritsu begins manufacture of repeaters for transmission by coaxial cable

  • 1949

    Anritsu implements the split-up of radio receiver division, measuring instrument division and gramophone division, to create new independent companies

  • 1950

    Anritsu develops ARM-6074 strength meter for ultra-short wave electric fields employing a doublet antenna

  • 1953

    Anritsu starts mass production of charge deferred payment-type public telephone (Model No. 4)

  • 1961

    Anritsu establishes new Atsugi Factory

  • 1962

    Anritsu begins manufacture of industrial measuring instrument (electronic micrometers)

  • 1964

    Anritsu begins manufacture of automatic check weigher (AutoChecker)

  • 1967

    Anritsu succeeds in practical application of hybrid thick-film and thin-film IC's
    Anritsu begins manufacture of traffic information systems

  • 1968

    Anritsu listed on the First Section of Tokyo Stock Exchange


  • 1970

    Anritsu begins exporting public telephones for Australia

  • 1974

    Anritsu develops M501A laser outer diameter measuring instrument necessary for the manufacture of optical fibers

  • 1977

    Anritsu develops 2Gb/s ultra high-speed error rate detector
    Anritsu begins productization of optical communications measuring instruments
    Anritsu establishes Anritsu Eletrônica Ltda. (Rio de Janeiro)

  • 1978

    Anritsu establishes Anritsu America (New Jersey)

  • 1979

    Completion of new head office building
    Anritsu receives a high-volume order for micro-circuit measuring instruments from AT&T (the United States)

  • 1980

    Anritsu establishes Anritsu Europe (Bedfordshire, United Kingdom)

  • 1981

    Anritsu develops Optical Time Domain Reflectometer ahead of the global trend

  • 1982

    Anritsu announces INMARSAT-ship terminal, the first terminal officially approved by INMARSAT

  • 1985

    Anritsu changes its company name to the Anritsu Corporation on October 1

    Anritsu Establishes Tohoku Anritsu Co., Ltd.

  • 1986

    Anritsu develops 5GHz pulse pattern generator, actively used in research and development of optical fiber communications systems and ultra-high-speed logic elements


  • 1990

    Anritsu acquires US instrument manufacturer Wiltron Company

  • 1993

    Anritsu releases various measuring instruments for digital mobile communications
    Anritsu develops Mini-OTDR

  • 1994

    Anritsu develops 12.5GHz ultra high-speed error rate detector
    Anritsu establishes Anritsu Wiltron Pte. Ltd. (Singapore)

  • 1995

    Anritsu celebrated its 100-year anniversary

  • 1997

    Anritsu implemented "One Country, One Company System"

  • 1998

    Anritsu establishes Asia Pacific Region Headquarters in Hong Kong


  • 2000

    Anritsu develops 10 Gb/s SONET/SDH/PDH/ATM Analyzer

  • 2001

    Anritsu develops a world first 43.5 GHz 4-Ch ultra high-speed error rate detector
    Anritsu started sales of 43.5G band error rate detecting system
    Anritsu develops a world first W-CDMA signalling tester

  • 2002

    Anritsu develops the world-class optical output (1W) 1400nm pump laser diode

  • 2003

    Anritsu acquired GCF approval for its world first W-CDMA conformance test system

    Anritsu transfers its head office to Atsugi City, Kanagawa Prefecture

  • 2005

    Anritsu acquires the Danish Instrument Manufacturer NetTest, to establish Anritsu A/S (Copenhagen, Denmark)

  • 2008

    Anritsu develops the base-station simulator for development and verification of 3GPP LTE mobile terminal

  • 2009

    Anritsu establishes Koriyama Office

  • 2010

    Anritsu obtains GCF/PTCRB approval for its world first LTE Conformance Test System

    Wi-Fi Alliance® validates WLAN Test Set as a measuring instrument for certification testing

    Anritsu realizes handheld measuring instruments for microwave communications with the same functions as the benchtop measuring instruments

  • 2011

    Anritsu obtains GCF approval for 80% of test cases for LTE terminal for the first time in the world, contributing to commencement of terminal certification

    Anritsu succeeds in demonstrating multi-vendor equipment interoperability in transmitting 100 Gbit Ethernet signals over optical networks for the first time in the world

    MasterClaw supports smooth operation of communications infrastructure at Pan American Games

  • 2012

    Anritsu realizes verification of LTE-Advanced Carrier Aggregation function with its world first Signalling Tester MD8430A

    Anritsu realizes multi-channel evaluation of 32 Gbit/s band high-speed interconnecting with its world first Signal Quality Analyzer MP1800A

    Anritsu realizes noise figure measurement for 100GHz band active devices with network analyzers for the first time in the world

  • 2013

    Anritsu obtains GCF/PTCRB approval for its world first LTE-Advanced Conformance Test System

    Anritsu starts sales of measurement solutions for Wi-SUN and ECHONET Lite, supporting the realization of next-generation energy management systems

    Anritsu supports TD-LTE Advanced with its world first Signalling Tester MD8430A

  • 2014

    Anritsu succeeds in data communication with LTE-Advanced 3 Carrier Aggregation terminal for the first time in the world using Signalling Tester MD8430A

    Anritsu obtains GCF approval for 80% of test cases for LTE-Advanced terminal for the first time in the world, contributing to commencement of terminal certification

    Anritsu starts sales of Network Master Flex MT1100A that enables evaluation of 100 Gbps/400 Gbps networks with a single unit

  • 2015

    Anritsu celebrates its 120-year anniversary

    Anritsu completes construction of Global Headquarters Building