Nobuyoshi first established the Jin-ya (regional government office) in Fukushima village of Kanra district, and later moved to Obata village where he made efforts to solidify the foundation for domain duties such as the improvement of the castle town and the irrigation system.
はじめは甘楽郡福島村に陣屋を構え、後に小幡村に移転し、城下町や灌漑用水設備の整備など、藩政の基礎固めに努めた。