DRS: A Workstation-Based Document Recognition System for Text Entry. - Tomio Amano; Akio Yamashita; Nobuyasu Itoh; Yoshinao Kobayashi; Shin Katoh; Kazuharu Toyokawa; Hiroyasu Takahashi (Computer, 1992)

An on-line character recognition system for effective Japanese input. - Kazuharu Toyokawa; Kozo Kitamura; Shin Katoh; Hiroshi Kaneko; Nobuyasu Itoh; Masayuki Fujita (ICDAR, 1993)

A document recognition system and its applications. - Akio Yamashita; Tomio Amano; Yuki Hirayama; Nobuyasu Itoh; Shin Katoh; Takashi Mano; Kazuharu Toyokawa (IBM J. Res. Dev., 1996)