Undecidability on Quantum Finite Automata. - Masami Amano; Kazuo Iwama (STOC, 1999)

Exploiting the Difference in Probability Calculation between Quantum and Probabilistic Computations. - Masami Amano; Kazuo Iwama; Raymond H. Putra (UMC, 2002)

Freight simulation: the modal-shift transportation planning problem and its fast steepest descent algorithm. - Masami Amano; Takayuki Yoshizumi; Hiroyuki Okano (WSC, 2003)

Finishing Line Scheduling in the steel industry. - Hiroyuki Okano; Andrew J. Davenport; Mark Trumbo; Chandra Reddy; Kunikazu Yoda; Masami Amano (IBM J. Res. Dev., 2004)