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executive committee
Chair
Terushige Ogawa Yokohama National University
Chief Secretary
Mitsuo Koshi The University of Tokyo
Members
Mitsuru Arai The University of Tokyo
Shigeru Itoh Kumamoto University
Teruo Kanazawa NOF Corporation
Eiji Kitajima Chugokukayaku Co. Ltd.
Naminosuke Kubota .Mitsubishi Electric Corporation
Takaaki Torikai Asahi Kasei Corporation
Junitsu Ito Japan Crushted Stone Association
Jun Nakamura National Research Institute of Police Science
Shigeyuki Nakamura Japan Carlit Co., Ltd.
Hidetsugu Nakamura Kyushu Institute of Technology
Kiyoshi Hashizume Nippon Kayaku Co., Ltd
Takashi Kazumi Nippon Koki Co., Ltd.
Atsumi Miyake Yokohama National University
Hiroyuki Yamazaki Limestone Association of Japan
Masatake Yoshida National Inst. of Advanced Industrial Science and Technology
Yoshidaka Yoshida Kabuki construction Co., Ltd
Kuniaki Yoneda Japan Explosives Society
Ted Sumrall Sverdrup Corporation