Standard Templates Adaptive Parallel Library (STAPL). - Lawrence Rauchwerger; Francisco Arzu; Koji Ouchi (LCR, 1998)

The Exact Rational Univariate Representation for Detecting Degeneracies. - John Keyser; Koji Ouchi; J. Maurice Rojas (Geometric and Algorithmic Aspects of Computer-Aided Design and Manufacturing, 2003)

Handling degeneracies in exact boundary evaluation. - Koji Ouchi; John Keyser (Symposium on Solid Modeling and Applications, 2004)

Rational Univariate Reduction via toric resultants. - Koji Ouchi; John Keyser (J. Symb. Comput., 2008)

Efficient construction and usefulness of hyper-rectangle greedy covers. - Koji Ouchi; Atsuyoshi Nakamura; Mineichi Kudo (GrC, 2011)

An efficient construction and application usefulness of rectangle greedy covers. - Koji Ouchi; Atsuyoshi Nakamura; Mineichi Kudo (Pattern Recognit., 2014)

Efficient Enumeration of Flat-Foldable Single Vertex Crease Patterns. - Koji Ouchi; Ryuhei Uehara (IEICE Trans. Inf. Syst., 2019)

Minimum Forcing Sets for Single-vertex Crease Pattern. - Koji Ouchi; Ryuhei Uehara (J. Inf. Process., 2020)