Juichi Ono graduated from Kobe Higher Commercial School (1913).
Juichi Ono served as director of Business Department of Yamaguchi Bank, manager of Kawaramachi Branch of Sanwa Bank and became president of Toyo Bearing Manufacturing Company (since 1947) and president of Hiroshima Ryoko (Food Manufacturing) Company. He was a member of Osaka Chamber of Commerce & Industry. He traveled abroad three times.