History: 1960s-1930s
| 1960s | 1969 | Established a branch in the Osaka Office of Japan Spinners Inspecting Foundation. Increased the capital to JY 16,000,000. |
|---|---|---|
| 1966 | Increased the capital to JY 8,000,000. | |
| 1964 | Entered into a technical tie-up with Special Instrument Laboratory Inc., USA. | |
| 1963 | Entered into a technical tie-up with Zellweger Uster, Switzerland. | |
| 1950s | 1955 | Grew up to a limited company. |
| 1940s | 1946 | Began production and sales of testing instruments for textile. |
| 1930s | 1934 | The firm was established in Osaka, starting with production, sales and service of electric meters and thermo controllers. |