A Modified Newton Method for the Steady-State Analysis. - Makiko Kakizaki; Tsutomu Sugawara (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1985)

Panoramic views of strange attractors. - Leon O. Chua; Tsutomu Sugawara (Proc. IEEE, 1987)

An efficient small signal frequency analysis method of nonlinear circuits with two frequency excitations. - Makiko Okumura; Tsutomu Sugawara; Hiroshi Tanimoto (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1990)

Perceptual discrimination of prosodic types and their preliminary acoustic analysis. - Masahiko Komatsu; Tsutomu Sugawara; Takayuki Arai (INTERSPEECH, 2004)

The correspondences between the perception of the speaker individualities contained in speech sounds and their acoustic properties. - Kanae Amino; Tsutomu Sugawara; Takayuki Arai (INTERSPEECH, 2005)

Building an English speech synthesis system from a Japanese ALS patient²s voice. - Akemi Iida; Jun Ito; Shimpei Kajima; Tsutomu Sugawara (INTERSPEECH, 2006)

Effects of the Phonological Contents on Perceptual Speaker Identification. - Kanae Amino; Takayuki Arai; Tsutomu Sugawara (Speaker Classification (2), 2007)

A Problem of Prosodic Transfer in the Perception of German Learners of Japanese and Japanese Learners of German. - Mayako Niikura; Tsutomu Sugawara; Ursula Hirschfeld (ICPhS, 2011)