1. Graduate School of Advanced Mathematical Sciences, Meiji University,Tokyo,Japan
2. Corporate R&D Headquarters in Mitsubishi Electric Co., Ltd, Meiji University,Kanagawa,Japan
3. Corporate R&D Headquarters in Mitsubishi Electric Co., Ltd,Kanagawa,Japan
4. Corporate R&D Headquarters in Mitsubishi Electric Co., Ltd, The University of Tokyo,Kanagawa,Japan