History:Anritsu Corporation

1 8 9 0	1895 Roentgen discovered X-ray Marconi succeeded in wireless transmission 1896 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
1 9 0 0	1901 Nobel Prizes were instituted 1903 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)
1 9 1 0	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
1 9 2 0	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
1 9 3 0	1932 Automatic public telephones were installed in Tokyo Station 1937 Reeves invented the PCM communications system	1931 Anritsu Electric Corporation was established by the merger of Kyoritsu Electric and Annaka Electric 1933 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
1 9 4 0	1946 ENIAC, the world's first vacuum-tube computer, was completed at University of Pennsylvania 1948 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
1 9 5 0	1953 NHK inaugurated regular TV broadcast services 1957 Dr. Reona Esaki discovered negative resistance and invents the Esakidiode	1950 Anritsu developed the ARM-6074 field strength meter with doublet antenna for ultra-short wave electric fields 1953 Anritsu began production of No.4 automatic public telephones with the"phone now, pay later" billing system
1 9 6 0	1960 Maiman succeeded in developing solid laser 1963 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 Factory 1962 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
1 9 7 0	1970 Osaka World Expo took place 1971 The first microcomputer was marketed 1978 Japan's first experimental broadcast satellite "Yuri" was successfully launched	1970 Anritsu began exporting public telephones to Australia 1977 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
1 9 8 0	1981 The first successful flight of Space Shuttle 1985 Tsukuba Science Expo took place Japan-wide fiber networks were completed 1989 NHK started experimental broadcast of Hi-Vision TV (HDTV) on regularbasis	1982 Anritsu released the world's first INMARSAT-ship terminal approved by INMARSAT 1985 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
1 9 9 0	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
2 0 0 0		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

[Top of page]