| March 1973 |
Incorporated Nippo Electronics Co., Ltd. in Shibuya-ku, Tokyo which was separated from the Electronic-technology section of Nippo Co., Ltd. |
| June 1975 |
The headquarters was relocated to Kandaogawa-machi, Chiyoda-ku, Tokyo |
| July 1976 |
Established Shinjuku Software Development Center in Shinjuku-ku, Tokyo |
| June 1980 |
Established Tama Technical Center in Tama-ku, Kawasaki(Hardware and Software factory) / Shinjuku Software Center was closed |
| April 1984 |
Established Kawasaki Technical Center in Takatsu-ku, Kawasaki |
| February 1989 |
Established Advanced Technical Studio A in "Micom-city (Asao-ku, Kawasaki)" |
| March 1998 |
Established Advanced Technical Studio B |
| May 2001 |
Established Osaka Branch in Takatsuki-city, Osaka |
| November 2006 |
Established Advanced Technical Studio C / Tama and Kawasaki Technical Center were merged and relocated to the studio C |
