1. Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Japan
2. Research and Services Division of Materials Data and Integrated System, National Institute for Materials Science, Tsukuba, Ibaraki, Japan
3. National Institute of Technology, Yonago College, Department of Electrical and Computer Engineering, Yonago, Japan
4. Engineering Department, Krystal, Inc. Ube, Japan