Learning of Elementary Formal Systems with Two Clauses Using Queries. - Hirotaka Kato; Satoshi Matsumoto; Tetsuhiro Miyahara (IEICE Trans. Inf. Syst., 2009)

Toward Describing Human Gaits by Onomatopoeias. - Hirotaka Kato; Takatsugu Hirayama; Yasutomo Kawanishi; Keisuke Doman; Ichiro Ide; Daisuke Deguchi; Hiroshi Murase (ICCV Workshops, 2017)

Underwater Robot with Negative Pressure Effect Plates for Maintenance of Underwater Structures. - Daiki Yamada; Takahiro Takebayashi; Hirotaka Kato; Norimitsu Sakagami; Sadao Kawamura (AIM, 2019)

More-Natural Mimetic Words Generation for Fine-Grained Gait Description. - Hirotaka Kato; Takatsugu Hirayama; Ichiro Ide; Keisuke Doman; Yasutomo Kawanishi; Daisuke Deguchi; Hiroshi Murase (MMM (2), 2020)

Intuitive Gait Modeling using Mimetic-Words for Gait Description and Generation. - Hirotaka Kato; Takatsugu Hirayama; Keisuke Doman; Ichiro Ide; Yasutomo Kawanishi; Takahiro Komamizu; Daisuke Deguchi; Hiroshi Murase (MIPR, 2022)

Discovering Phonesthemic Clusters in Readings of Kanji Characters toward Exploring Phonestheme in Japanese. - Akira Yoshida; Chihaya Matsuhira; Hirotaka Kato; Takatsugu Hirayama; Takahiro Komamizu; Ichiro Ide (PACLIC, 2023)

Improvement of Differential-GNSS Positioning by Estimating Code Double-Difference-Error Using Machine Learning. - Hirotaka Kato; Junichi Meguro (IEICE Trans. Inf. Syst., 2023)