| 1957 | Inaugurated the Aircraft Equipment Division | |
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| 1958 | Delivered an Jet Engine Test Stand to the Defense Agency, and entered the ground support equipment field. | |
| 1962 | Delivered a Decompression Altitude Training Chamber to the Defense Agency, and entered the aerospace medical equipment field. | |
| 1972 | Developed an Electro-Hydraulic Servovalve for airplanes. | |
| 1977 | Delivered instruments to the Boeing Company (U.S.) for the 747 Series. Full-scale entry into the civil airplane market. | |
| 1980 | Commenced delivery of the Flight Control System components for the 767 Series. | |
| 1981 | Commenced delivery of the Landing Gear System components for the 757 Series. | |
| 1986 | Commenced manufacture of Propellant Valves and Fill & Drain Valves for rockets. | |
| 1994 | Commenced sales of the See Through Vision HMD for VR. Commenced delivery of Flight Control System and Landing Gear System components for the 777 Series. |
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