PNAD-CSS: a workbench for constructing a protein name abbreviation dictionary. - Mikio Yoshida; Ken-ichiro Fukuda; Toshihisa Takagi (Bioinform., 2000)

Knowledge representation of signal transduction pathways. - Ken-ichiro Fukuda; Toshihisa Takagi (Bioinform., 2001)

FREX: A query interface for biological processes with hierarchical and recursive structures. - Ken-ichiro Fukuda; Yuki Yamagata; Toshihisa Takagi (Silico Biol., 2003)

A Pathway Editor for Literature-based Knowledge Curation. - Ken-ichiro Fukuda; Toshihisa Takagi (APBC, 2004)

Event Ontology: A Pathway-Centric Ontology for Biological Processes. - Tatsuya Kushida; Toshihisa Takagi; Ken-ichiro Fukuda (Pacific Symposium on Biocomputing, 2006)

Statistical Characteristics of Biomimetic Image-Based Inverted Pendulum Control Systems Using Just-In-Time Method. - Shun Ushida; Ken-ichiro Fukuda; Koichiro Deguchi (J. Robotics Mechatronics, 2008)