Yamashita Yohachi | Corporate R&D Center, Toshiba Corporation, Saiwai-ku, Kawasaki 212-8582, Japan

Department Of Applied Physics School Of Engineering Nagoya University

Corporate R&d Center Toshiba Corp.

Faculty Of Business Aichi Shukutoku University

Kawatetu Mining Co. Ltd.

Electric and Information Department, Gifu University, Gifu 501-1193, Japan

Corporate R&D Center, Toshiba Corporation, Saiwai-ku, Kawasaki 212-8582, Japan

Electronic and Control Engineering Department, Gifu National College of Technology, Gifu 501-0495, Japan

Electronic Control Engineering Department, Gifu National College of Technology, Gifu 501-0495, Japan

Electric and Information Department, Gifu University, Gifu 501-1193, Japan