| 1928-12 |
Merged Muramura Factory, Shiota Factory, and Railway Signal Corporation |
| 1928-12-27 |
|
| 1928-12-27 |
Established |
| 1931-12 |
Established Japan Signal Corporation (merged Muramura Factory, Shiota Factory, and Railway Signal Corporation) |
| 1937-06 |
Manufactured domestically produced traffic signals and installed them at Nihonbashi Intersection, Gofukubashi Intersection, and Sakurabashi Intersection |
| 1948-12 |
Opened Yono Factory in Urawa City, Saitama Prefecture (now Saitama City) |
| 1949-04 |
Opened Osaka Branch |
| 1954-05 |
Listed on the Tokyo Stock Exchange |
| 1958-08 |
Delivered and started using vacuum tube type B-type onboard alarm devices on the Keihin-Tohoku Line and Yamanote Line |
| 1962-05 |
Delivered and started using CTC on the Ito Line, the first CTC unit in Japan National Railways |
| 1964-11 |
Established Utsunomiya Factory |
| 1969-10 |
The Tokaido Shinkansen (Tokyo to Shin-Osaka) opened, and ATC, CTC, etc., were delivered and started being used |
| 1970-10 |
Delivered and started using automatic ticket gate systems on Tokyo Monorail |
| 1972-04 |
Established Traffic Control Center at Tochigi Prefectural Police Headquarters, delivered and started using signal equipment for the control center |
| 1972-10 |
Developed Park Lock |
| 1988-11 |
Delivered Japan's first total AFC system to Sapporo Municipal Subway |
| 1995-10 |
Signed signal project contract with Turkish State Railways, first overseas turnkey contract |
| 1998-10 |
Obtained ISO9001 certification |
| 2002-07 |
Closed Yono Business Office |
| 2002-10 |
Secured comprehensive order for railway signal modernization across Taiwan (CTC, electronic interlocking, etc.) |
| 2002-12 |
Obtained ISO14001 certification |
| 2003-12 |
Delivered AFC system to Beijing Subway Line 13 |
| 2004-10 |
Opened Taipei Sales Office in Taiwan |
| 2007-01 |
Launched operation of signal system for Taiwan Shinkansen |
| 2007-03 |
Started and completed mutual use of common IC cards (Suica, PASMO), and renovated ticket gates |
| 2007-06 |
Relocated headquarters to Chiyoda-ku, Tokyo (Shin-Marunouchi Building) |
| 2011 |
中国現地法人会社 |
| 2011-01 |
Established local Chinese subsidiary "Beijing Rixin An Tong Trading Co., Ltd." |
| 2016-03 |
Started commercial operation of wireless train control system "SPARCS" on Beijing Subway Line 15 |
| 2017-03 |
Completed the single dormitory "Signario Shichiri" |
| 2017-10 |
Established Safety and Reliability Creation Center, completed single dormitory "Signario Utsunomiya" |
