Bit parallel-serial implementation of combinatorial filter in canonical form. - Shigeyoshi Kawarai (ICASSP, 1982)

An optimization procedure to minimize the roundoff noise in cascade floating-point digital filters. - Shigeyoshi Kawarai; Toru Murakami (ICASSP, 1989)

Exact discretization of differential equations by s-z transform. - Shigeyoshi Kawarai (ISCAS (4), 2002)