*Wataru Sakashita¹, Satoru Miura¹, Naohiro Imamura¹, Shinta Ohashi¹, Masabumi Komatsu¹, Yoshiki Shinomiya¹, Masatake G. Araki¹, Takuya Kajimoto², Masahiro Kobayashi¹, Satoshi Saito³, Shinji Kaneko³ (1.Forestry and Forest Products Research Institute (FFPRI), 2.Tohoku Research Center, FFPRI, 3.Kansai Research Center, FFPRI)