Inventor: Hiraragi, Tadao
Inventor: Sakamoto, Shoji
Inventor: Tsuda, Shinzo, Hirabayashi, Hiroshi
Inventor: Tsuda, Shinzo, Hirabayashi, Hiroshi
Inventor: Tsuda, Shinzo, Hirabayashi, Hiroshi
Inventor: Yamate, Yoshihiko
Inventor: Kanato, Kitsuo, Machida, Yutaka
Inventor: Akakawa, Hiroshi
Inventor: Akakawa, Hiroshi
Inventor: Ohkawa, Kiyoshi
Inventor: Nishida, Teruo, Yoshida, Masao
Inventor: Yoshida, Yoshio, Haniuda, Tadayuki