New Anthropomorphic Talking Robot having a Three-dimensional Articulation Mechanism and Improved Pitch Range. - Kotaro Fukui; Yuma Ishikawa; Takashi Sawa; Eiji Shintaku; Masaaki Honda; Atsuo Takanishi (ICRA, 2007)

Control methods based on neural network forward and inverse models for a biomechanical structured vocal cord model on an anthropomorphic talking robot. - Kotaro Fukui; Eiji Shintaku; Akihiro Shimomura; Nana Sakakibara; Yuma Ishikawa (ICRA, 2008)

Three dimensional tongue with liquid sealing mechanism for improving resonance on an anthropomorphic talking robot. - Kotaro Fukui; Yuma Ishikawa; Keisuke Ohno; Nana Sakakibara; Masaaki Honda; Atsuo Takanishi (IROS, 2009)

Production of Various Vocal Cord Vibrations Using a Mechanical Model for an Anthropomorphic Talking Robot. - Kotaro Fukui; Yuma Ishikawa; Eiji Shintaku; Masaaki Honda; Atsuo Takanishi (Adv. Robotics, 2012)

Improvement of Position Sensorless Control Performance for High Speed PMSM with All-pass Filters. - Yuma Ishikawa; Masaru Hasegawa (ICIT, 2019)