Design of Queuing Buffer Register Size. - Hitohisa Asai; S. C. Lee (Inf. Process. Lett., 1975)

A queuing model with discrete service speeds. - Hitohisa Asai; S. C. Lee (ANSS, 1976)

An Overrelaxation for Numerical Inverse of a Constant. - Hitohisa Asai (Commun. ACM, 1980)

Speeding Up an Overrelaxation Method of Division in Radix-2^n Machine. - Hitohisa Asai; C. K. Cheng (Commun. ACM, 1983)

A Consideration of a Practical Implementation for a New Convergence Division. - Hitohisa Asai (Inf. Process. Lett., 1983)