History: 1970s
| 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. |
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| 1974 | Terminated the technical tie-up with Special Instrument Laboratory Inc. Increased the capital to JY 28,800,000. |
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| 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. |