A mathematical model for an optimal appointed delivery date on a home delivery market. - Hidefumi Kawakatsu; Hiroaki Sandoh (RAIRO Oper. Res., 2005)

Existence of Single Input Rule Modules for Optimal Fuzzy Logic Control. - Takashi Mitsuishi; Hidefumi Kawakatsu; Yasunari Shidama (KES (3), 2010)

Methods for Evaluating Pictures and Extracting Music by 2D DFA and 2D FFT. - Hidefumi Kawakatsu (KES, 2015)

Methods for Classifying Pictures of Tourist Destinations and for Transforming Frequency Components into Musical Chords. - Hidefumi Kawakatsu (IIAI-AAI, 2016)

A Multi-Agent Simulation Model for Analyzing Employee Morale during Organizational Innovation. - Hidefumi Kawakatsu; Nobuhiko Yamanaka; Kosuke Kato (IIAI-AAI, 2020)

Estimation of Employee Trust in Management and Multi-Agent Model for Analyzing Employee Morale during Organizational Change. - Hidefumi Kawakatsu; Nobuhiko Yamanaka; Kosuke Kato; Dong Li 005 (IIAI-AAI, 2022)