RoboCup2022 KidSize League Winner CIT Brains: Open Platform Hardware SUSTAINA-OP and Software. - Yasuo Hayashibara; Masato Kubotera; Hayato Kambe; Gaku Kuwano; Dan Sato; Hiroki Noguchi; Riku Yokoo; Satoshi Inoue; Yuta Mibuchi; Kiyoshi Irie (RoboCup, 2022)

SUSTAINA-OP™: Kid-Sized Open Hardware Platform Humanoid Robot with Emphasis on Sustainability. - Masato Kubotera; Yasuo Hayashibara (RoboCup, 2023)

SUSTAINA-OP2TM: Customizable Kid-sized Open Hardware Platform Humanoid Robot for Research and Competition. - Masato Kubotera; Yasuo Hayashibara (Humanoids, 2024)

RoboCup 2024 Humanoid KidSize Winner CIT Brains: The Challenge with the New Robot SUSTAINA-OP2™. - Masato Kubotera (RoboCup, 2024)