(1) “History of Product Nationalization of Electrical Technology in Japan”, Technical Report, IEE Japan, No. 603, pp. 3-10, pp. 33-41 (1996) (in Japanese)
「わが国における電気技術国産化の歴史」,電気学会技術報告,No. 603, pp. 3-10, pp. 33-41 (1996)
(2) K. Yoshizumi and K. Tanaka : “History of Manufacturing Nationalization of Power Circuit Breakers in Japan”, The Papers of Technical Meeting, IEE Japan, No. HEE-95-16, pp. 93-104 (1995) (in Japanese)
吉永 淳·田中邦典:「遮断器国産化の歴史」,電気学会研資,HEE-95-16, pp. 93-104 (1995)
(3) K. Yoshizumi and K. Tanaka : “History of Manufacturing Nationalization of High-Voltage Circuit Breaker Technology”, The Papers of Technical Meeting, IEE Japan, No. DIH-6-5, pp. 93-104 (1995) (in Japanese)