Yuki Yoshida (Osaka University, Japan); Kenji Ishii (Mitsubishi Electric Corporation, Japan); Ken'ichi Kitayama (Osaka University, Japan); Akihiro Maruta (Osaka University, Japan); Yuji Akiyama (Mitsubishi Electric Corporation, Japan); Tsuyoshi Yoshida (Mitsubishi Electric Corporation, Japan); Naoki Suzuki (Mitsubishi Electric Corporation, Japan); Kazuumi Koguchi (Mitsubishi Electric, Japan); Junichi Nakagawa (Mitsubishi Electric Corporation, Japan); Takashi Mizuochi (Mitsubishi Electric Corporation, Japan)