Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp|Mitsui Knowledge Industry Co., Ltd., Nakano-ku, Tokyo, Japan. kikuchi@hydra.mki.co.jp