Identification and estimation algorithms for a Markov chain plus AR process. - Sueo Sugimoto; Ikuo Ishizuka (ICASSP, 1983)

Spectral expressions of information measures of Gaussian time series and their relation to AIC and CAT. - Sueo Sugimoto; Teruyo Wada (IEEE Trans. Inf. Theory, 1988)

Real-time speech visualization system: Kannon - Applying auditory characteristics. - Ken Nakamuro; Katsuhiro Haruki; Sueo Sugimoto (EUSIPCO, 2005)