Geometric matching problem of disjoint compact convex sets by line segments. - Kiyoshi Hosono; Katsumi Matsuda (CCCG, 1997)

A Pair in a Crowd of Unit Balls. - Kiyoshi Hosono; Hiroshi Maehara; Katsumi Matsuda (Eur. J. Comb., 2001)

On the perfect matching of disjoint compact sets by noncrossing line segments in Rn. - Kiyoshi Hosono; Katsumi Matsuda (Discret. Appl. Math., 2002)

Development of System for Comprehensively Measuring Driving Ability for Elderly Safe Driving. - Masatake Hiraoka; Osami Yamamoto; Muneo Yamada; Tomoaki Nakano; Shin Yamamoto; Katsumi Matsuda; Mikiko Kawasumi (MVA, 2009)