Anritsu Corporation (アンリツ株式会社 Anritsu Kabushiki-gaisha) is a Japanese multinational corporation in the telecommunications electronics equipment market. A global pioneer for producing the world's first wireless telephone network, Anritsu's revenue numbers near US$782 million.
In Japan, Anritsu's first predecessor, Sekisan-sha, was founded in 1895. Annaka Electric Company followed, producing wireless transmitters and the world's first wireless telephone service and Japan's first automatic public telephone.
Net sales in FY2008 were ¥84 billion (US$782 million). It has been listed on the Tokyo Stock Exchange since 1961 (TYO: 6754). As of 2009[update], it employed 3,700 employees in 20 countries.