|1970s||1979||Terminated the technical tie-up with Siemens.
Moved the head office and factory to Osaka.
|1977||Increased the capital to JY 44,000,000.|
|1976||Entered into a technical tie-up with Siemens (West-Germany).
Established a branch in Nagoya.
|1974||Terminated the technical tie-up with Special Instrument Laboratory Inc.
Increased the capital to JY 28,800,000.
|1973||Increased the capital to JY 24,000,000.|
|1972||Increased the capital to JY 19,200,000.|
|1970||Moved the head office and factory to Takatsuki.|