3D Modeling System of Human Face and Full 3D Facial Caricaturing. - Takayuki Fujiwara; Hiroyasu Koshimizu; Kouta Fujimura; Hitoshi Kihara; Yoshiaki Noguchi; Naoya Ishikawa (3DIM, 2001)

Algebraic characterizations of variable separation properties. - Hitoshi Kihara; Hiroakira Ono (Reports Math. Log., 2008)

Interpolation Properties, Beth Definability Properties and Amalgamation Properties for Substructural Logics. - Hitoshi Kihara; Hiroakira Ono (J. Log. Comput., 2010)