The Chiyoda Fire Insurance Administrative Center, completed in 1980 in Tama, Tokyo, represents a significant example of late twentieth-century Japanese corporate architecture. Designed collaboratively by Oe Hiroshi Architects and Umezawa Yasue Design Office, this administrative office building exemplifies the modernist design principles that dominated the era. The structure reflects thoughtful spatial planning and functional design appropriate for its corporate purpose. Located at 365-5 Sekido, Tama, the building demonstrates the professional approach these esteemed architectural firms brought to commercial office design during Japan's period of rapid economic growth. The project showcases the integration of contemporary design sensibilities with practical administrative requirements characteristic of the period.