Frequency Response of a Water Hydraulic Servovalve. - Eizo Urata; Shimpei Miyakawa; Chishiro Yamashina; Yohichi Nakao (ICRA, 1995)

Development of Cam-Drive Type Proportional Valve for Water Hydraulics. - Kenji Suzuki; Sho Akazawa; Yohichi Nakao (Int. J. Autom. Technol., 2012)

Feasibility Study on Design of Spindle Supported by High-Stiffness Water Hydrostatic Thrust Bearing. - Yohichi Nakao; Kenji Suzuki; Kohei Yamada; Kohei Nagasaka (Int. J. Autom. Technol., 2014)

Thermal Characteristics of Spindle Supported with Water-Lubricated Hydrostatic Bearings. - Yohichi Nakao; Rei Kirigaya; Dmytro Fedorynenko; Akio Hayashi; Kenji Suzuki (Int. J. Autom. Technol., 2019)

Editorial: the Latest Machine Tool Technologies and Manufacturing Processes. - Yohichi Nakao; Hayato Yoshioka (Int. J. Autom. Technol., 2019)

Temperature Control Performance of a Built-In Motor Spindle by Developed Temperature Feedback Control System. - Shumon Wakiya; Ryota Ishida; Jumpei Kusuyama; Yohichi Nakao (Int. J. Autom. Technol., 2023)