1. Kobe University; 5-1-1, Fukaeminami, Higashinada-ku Kobe 658-0022 Japan
2. Transport Packaging Laboratory, Graduate School of Maritime Sciences; Kobe University; 5-1-1, Fukaeminami, Higashinada-ku Kobe 658-0022 Japan
3. Shinyei Technology Co., Ltd.; Shinyei BLDG., 5F, 77-1, Kyomachi, Chuo-ku Kobe 650-0034 Japan
4. Kyocera Document Solutions Inc.; 2-28-1, Tamatsukuri, Chuo-ku Osaka 540-8585 Japan