Estimating a percentile from autocorrelated simulation outputs. - Katsuhiko Takahashi; Shusaku Hiraki; Michio Soshiroda (Simul. Pract. Theory, 1995)

A modeling approach to a JIT-based ordering system. - Norio Watanabe; Shusaku Hiraki (Ann. Oper. Res., 1997)

Production smoothing and buffer stock reduction for two-stage production and inventory systems. - Kazuyoshi Ishii; Shusaku Hiraki (Int. J. Manuf. Technol. Manag., 2000)

An innovative management system to create new values. - Kazuyoshi Ishii; Takaya Ichimura; Shuji Kondoh; Shusaku Hiraki (Int. J. Technol. Manag., 2009)