|1988||May||ASTRON established. (Yoyogi Shibuya-ku, Tokyo)|
|1990||January||Office relocated. (Hatsudai Shibuya-ku, Tokyo)|
|1996||April||SView (for UNIX) Released.|
|2000||January||SView-PC (for Windows) Released.|
|2006||June||Office relocation due to the business expansion.|
Office relocated to Nishishinjuku Shinjuku-ku, Tokyo
|Yoshihiro Nakajima took over as President & CEO.