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六七十年代,日本空间开发是以官方为主,以政府立法规定的法人(政府法人)宇宙开发事业团(NASDA)为核心,以科学技术厅航空宇宙研究所和文部省宇宙科学研究所(原东京大学航空宇宙研究所)两家从事航天研究,形成了以NASDA研制应用技术卫星、以宇宙科学研究所研制科学卫星的局面。从事空间开发的主要有六大支柱公司;石川岛播磨重工、三菱电机、三菱重工、日产汽车、东芝、日本电气。 80年代中期,空间微重力环境的利用引起了人们普遍重视。NASDA利用TT-500火箭进行微重力实验(1980～1983年共进行6次实验,除两次回收失败外均获成功),获得了包括镍-碳化钛复合材料、硅-砷-碲非晶体形半导体材料、铅-锡-砷半导体化合
In the 1960s and 1970s, Japan’s space development was dominated by the government. It was based on the statutory person (government corporation) NASDA (National Legal Agency) and the Institute of Aerospace Research of the Ministry of Science and Technology and the Institute of Space Sciences of the Ministry of Education The University of Tokyo Aerospace Research Institute), which is engaged in aerospace research, formed a satellite for the development and application of NASDA and a scientific satellite for space science research. There are mainly six pillar companies engaged in space development; Ishikawajima Heavy Machinery, Mitsubishi Electric, Mitsubishi Heavy Industries, Nissan Motors, Toshiba, and Nippon Electric. In the mid-1980s, the use of space microgravity caused widespread concern. NASDA used the TT-500 rocket for microgravity experiments (a total of six experiments from 1980 to 1983, with the exception of two failures), and obtained amorphous composites containing nickel-titanium carbide and silicon-arsenic-bismuth. Semiconductor materials, lead-tin-arsenic semiconductors