2件 （「Hiroyuki Sakai」）

Collection and Evaluation of Literatures Related to Broadleaf Tree Regeneration for Leading Artificial Coniferous Forests to Broadleaf Forests. 論文

Kaoru Niiyama・M. Ogawa・Hiromichi Kushima・Kazunori Takahashi・Tamotsu Sato・Takeshi Sakai・Hiroyuki Tanouchi ·2010-01-01 ·『日本林學會誌』　92(6)　pp. 292-296

doi:10.4005/jjfs.92.292

Extraction of Information on the Technical Effect from a Patent Document 論文

Hiroyuki Sakai・Hirohumi Nonaka・Shigeru Masuyama ·2009-01-01 ·『Transactions of the Japanese Society for Artificial Intelligence』　24(6)　pp. 531-540

doi:10.1527/tjsai.24.531