1. Yamaguchi University,Graduate School of Sciences and Technology for Innovation,Ube,Japan
2. YUTAKADENGYO.Co.Ltd.,Engineering Section,Sales Engineering Department,Shimonoseki,Japan
3. National Institute of Technology Kitakyushu College,Department of Creative Engineering,Kitakyushu,Japan
4. Kyushu Institute of Technology,Graduate School of Engineering,Kitakyushu,Japan