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| 1895
Roentgen discovered X-ray
Marconi succeeded in wireless transmission1896
The first modern Olympiad was held at Athens in Greece 1899
Long-distance telephone service was inaugurated between Tokyo and Osaka, and between Tokyo and Kobe. | 1895
Sekisan-sha, Anritsu's predecessor, was founded |
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| 1901
Nobel Prizes were instituted1903
Wright brothers succeeded in making the first flight in aircraft | 1900
Annaka Electric Company was established  1903
Annaka Electric exhibited a wireless transmitter and a 30cm fireworks coil at the 5th Japan Industry Promotion Exposition 1908
Kyoritsu Electric Company was established by the merger of Sekisan-sha and Abe Electric Wire Company Kyoritsu began mass production of wall and desktop telephones (public phones from 1925 onward) |
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| 1916
About this time Charlie Chaplin's comedies were released in succession and become very popular |  1912
Annaka succeeded in producing the TYK wireless telephone 1916
Annaka began telegraph service between Toba, Toshijima and Kamijima in Mie Prefecture, using the TYK wireless phone. This was the world's first wireless phone service |
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| 1920
The League of Nations was inaugurated, and the first General Assembly was convened.1925
Japan's first radio service started at Tokyo Radio Station (later renamed NHK) | 1924
Annaka began production of radio receivers, speakers and headphones, following the introduction of radio broadcasting.1925
Annaka produced Japan's first 500-watt transmitter for Tokyo Central Radio Station 1928
Annaka installed its first 2kW remote-control wireless transmitter for Asama-Maru and other U.S./Europe-bound ships
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| 1932
Automatic public telephones were installed in Tokyo Station1937
Reeves invented the PCM communications system | 1931
Anritsu Electric Corporation was established by the merger of Kyoritsu Electric and Annaka Electric1933
Anritsu delivered Japan's first TV broadcast transmitter to Hamamatsu Advanced Technical School (now Shizuoka University) 1939
Anritsu developed Japan's first automatic public telephone
Anritsu developed Japan's first AC-bias magnetic recorder, the prototype of today's tape recorders 
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| 1946
ENIAC, the world's first vacuum-tube computer, was completed at University of Pennsylvania1948
Norbert Wiener created a new science "cybernetics" that was concerned with man, machine control and communication 1949
Dr. Hideki Yukawa was awarded with Nobel Prize in physics | 1943
Anritsu began production of repeaters for transmission by coaxial cable |
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| 1953
NHK inaugurated regular TV broadcast services1957
Dr. Reona Esaki discovered negative resistance and invents the Esaki diode | 1950
Anritsu developed the ARM-6074 field strength meter with doublet antenna for ultra-short wave electric fields1953
Anritsu began production of No.4 automatic public telephones with the"phone now, pay later" billing system |
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| 1960
Maiman succeeded in developing solid laser1963
First Japan-U.S. satellite relay broadcast test took place successfully 1964
Tokaido Bullet Train services were inaugurated
Tokyo Olympiad took place | 1961
Anritsu established Atsugi Factory1962
Anritsu began production of electronic micrometers (start of industrial automation instruments) 1964
Anritsu began production of automatic weighers 1967
Anritsu succeeded in producing hybrid ICs
Anritsu began production of traffic control information systems 1968
Anritsu was registered in First Section of Tokyo Stock Exchange |
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| 1970
Osaka World Expo took place1971
The first microcomputer was marketed 1978
Japan's first experimental broadcast satellite "Yuri" was successfully launched | 1970
Anritsu began exporting public telephones to Australia1977
Anritsu developed 2Gb/s ultra-high-speed error detectors
Anritsu began marketing of optical communications measuring instruments 1979
The new head office building was completed
Anritsu received a massive order from AT&T for microwave circuit measuring instruments |
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| 1981
The first successful flight of Space Shuttle1985
Tsukuba Science Expo took place
Japan-wide fiber networks were completed 1989
NHK started experimental broadcast of Hi-Vision TV (HDTV) on regular basis | 1982
Anritsu released the world's first INMARSAT-ship terminal approved by INMARSAT1985
Anritsu changed its name to Anritsu Corporation on October 1
Anritsu established Tohoku Anritsu Corporation 
1986
Anritsu developed a 5GHz pulse pattern generator for use in development and researched of optical fiber communications systems and ultra-high-speed logic elements |
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| 1994
A multi-media pilot model operation began in Kansai Cultural Academic Research City | 1990
Anritsu acquired Wiltron Company of the U.S.A.1993
Anritsu released various measuring instruments for digital mobile communications 1994
Developed 12.5GHz ultra high-speed error detector 1995
Anritsu celebrated its 100th anniversary |
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| | 2000
Developed SONET/SDH/PDH/ATM analyzer, capable of measuring up to 10Gb/s 2001
Developed world's first 43.5GHz 4-channel ultra high-speed Error Detector
Developed the Signaling Tester conformed with testing the 3GPP mobile phones 2002
Developed the world-class optical power (1W) 1400nm pump laser diode 2003
Anritsu's Conformance Test System gains GCF approval in Europe for 3G mobile terminals conforming to 3GPP specifications 2005
Anritsu acquired NetTest A/S of Denmark |