H∞ Control of railroad vehicle active suspension. - Toshiaki Hirata; Satoshi Koizumi; Ryoichi Takahashi (Autom., 1995)

Solutions on fuzzy diagnosis by inverse process with natural language input. - Norihide Sano; Ryoichi Takahashi (KES, 2000)

System identification for nano-control: A finite wordlength problem. - Atsuhiko Okao; Masao Ikeda; Ryoichi Takahashi (CCA, 2003)

Visualization Method Using Probe Bicycle to Analyze Bicycle Rider's Control Behavior. - Ryoichi Takahashi; Kazuki Miki; Shigeo Kaneda (COMPSAC (2), 2017)

Development of Bicycle Simulator with Tilt Angle Control Tilt Angle. - Tetsuji Yamaguchi; Akira Yamada 007; Takeshi Fujiwara; Ryoichi Takahashi; Tetsuya Shimada; Yuki Ishida; Koichiro Ueda; Shigeo Kaneda (COMPSAC (2), 2018)

Uplink Frame Transmission with Functions of Adaptive Triggering and Resource Allocation of OFDMA in Interfering IEEE 802.11ax Wireless LANs. - Ryoichi Takahashi; Yosuke Tanigawa; Hideki Tode (IEICE Trans. Commun., 2021)