Transfer-based Japanese-Chinese translation implemented on an e-mail system. - Junichi Matsuda; Hiroyuki Kumai (MTSummit, 1999)

Evaluation method for determining groups of users who find MT "useful". - Masaru Fuji; Nobutoshi Hatanaka; Etsuo Ito; Shin-ichiro Kamei; Hiroyuki Kumai; Tatsuya Sukehiro; Takehiko Yoshimi; Hitoshi Isahara (MTSummit, 2001)

NTCIR-7 Patent Translation Experiments at Hitachi. - Hiroyuki Kumai; Hirohiko Sagawa; Yasutsugu Morimoto (NTCIR, 2008)