Frequent collaborators

• Jun Tazaki 3 titles
• Hideyo Amamoto 3 titles
• Makoto Sato 2 titles
• Yu Fujiki 2 titles
• Sachio Sakai 2 titles
• Ichiro Nakatani 2 titles
• Susumu Fujita 2 titles
• Yoshio Tsuchiya 2 titles
• Koji Mitsui 2 titles
• Ryosuke Kagawa 2 titles
• Tadao Nakamaru 2 titles
• Yoshio Kosugi 2 titles