A graph-planarization algorithm and its application to random graphs. - Takao Ozawa; H. Takahashi (Graph Theory and Algorithms, 1980)

A Linear Algorithm for Embedding Planar Graphs Using PQ-Trees. - Norishige Chiba; Takao Nishizeki; Shigenobu Abe; Takao Ozawa (J. Comput. Syst. Sci., 1985)

A routing procedure for an IC module with many pins - a solution to a circular permutation layout problem. - Takao Ozawa (Networks, 1985)

The principal partition of a pair of graphs and its applications. - Takao Ozawa (Discret. Appl. Math., 1987)

Data transmission and diagnosis in bus networks derived from block design. - Takao Ozawa (Syst. Comput. Jpn., 1987)

An efficient compensation-path finding algorithm for a large-scale processor array. - Takao Ozawa (Syst. Comput. Jpn., 1991)