Hajime Otsuki, Managing Director & Director, NA, 1963
Keiji Ichikawa, President, Chief Executive Officer, GM of Manuf., Qlty Control, Chiba Plant, Safety & Health Prom. Dept. and Rep. Dir., NA, 1968
Masaya Matsuo, GM of Steel Pipe Sales Department & Director, NA, 1968
Hideto Kanai, GM of Sales Headquarters, Purchasing Dept, Rinkai Sales Dept, Overseas Business Dept. & Director, male, 1969
Noriaki Ebisui, Managing Director, Director, Head of Corporate Planning Dept & Finance Manager, NA, 1961
Tetsuhiro Hamada, GM of General Affairs Department & Representative Director, male, 1960