设计公司
Keiichi Akatani, Yutaka Aizawa, Tsuyoshi Miyata, IP Development Center, Commercial and Industrial Printing Development Division, Ricoh Company, Ltd.
设计师
Kohei Chubachi, Tomoko Ikenoue, Yoshihisa Minagawa, Masahiro Kurita, Masaaki Kabumoto, Daisuke Taniuchi, Corporate Design Center, Intellectual Property Division, Ricoh Company, Ltd.