A small three-way valve using particle excitation with piezoelectric transducers for hydraulic actuators. - Hayato Osaki; Takefumi Kanda; Shoki Ofuji; Norihisa Seno; Koichi Suzumori; Takahiro Ukida; Hiroyuki Nabae (Adv. Robotics, 2018)

New Hydraulic Components for Tough Robots. - Koichi Suzumori; Hiroyuki Nabae; Ryo Sakurai; Takefumi Kanda; Sang-Ho Hyon; Tohru Ide; Kiyohiro Hioki; Kazu Ito; Kiyoshi Inoue; Yoshiharu Hirota; Akina Yamamoto; Takahiro Ukida; et al. (Disaster Robotics, 2019)