| 2026 | HCI | Proposal of Distance Perception Adjustment Method by User in VR Communication. | Shinnosuke Adachi, Shotaro Tsuji, Akihiro Tatsumi, Masashi Okubo |
| 2025 | HCI | Analysis of Voice Impression Scales Based on Specific Adjective Scale. | Shinnosuke Adachi, Akihiro Tatsumi, Masashi Okubo |
| 2023 | HCI | High-Quality Synthetic Character Image Extraction via Distortion Recognition. | Tomoya Sawada, Marie Katsurai, Masashi Okubo |
| 2023 | HCI | Proposal of Emotion Expression Method by Clothes Color for Communication Robot. | Akihiro Tatsumi, Masashi Okubo |
| 2022 | HCI | Influence of Communication Environment on Feeling and Degree of Transmission. | Masashi Okubo, Asuka Iwai, Akihiro Tatsumi |
| 2020 | HCI | A Proposal of Estimating Method for Agreement in Face-to-Face Communication. | Masashi Okubo, Yuki Fujimoto |
| 2020 | RO-MAN | Effects of Touch Behaviors and Whispering Voices in Robot-Robot Interaction for Information Providing Tasks. | Yuka Okada, Riko Taniguchi, Akihiro Tatsumi, Masashi Okubo, Mitsuhiko Kimoto, Takamasa Iio, Katsunori Shimohara, Masahiro Shiomi |
| 2019 | HCI | A Proposal of Video Evaluation Method Using Facial Expression for Video Recommendation System. | Masashi Okubo, Shun Tamura |
| 2019 | HCI | Influence of Presence of Operator of Humanoid Robot on Personal Space. | Akihiro Tatsumi, Masashi Okubo |
| 2018 | HCI | Effectiveness of Visual Non-verbal Information on Feeling and Degree of Transmission in Face-to-Face Communication. | Masashi Okubo, Akeo Terada |
| 2017 | COMPSAC | Combinations of Personal Characteristic Types and Learning Effectiveness of Teams. | Hironori Washizaki, Yusuke Sunaga, Masashi Shuto, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Bastian Tenbergen |
| 2017 | SNPD | Relationship between the five factor model personality and learning effectiveness of teams in three information systems education courses. | Masashi Shuto, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Bastian Tenbergen |
| 2015 | HCI | Development of Chat System Added with Visualized Unconscious Non-verbal Information. | Masashi Okubo, Haruna Tsujii |
| 2013 | HCI | Proposal of Avatar Generating Method by Composition of the Portraits Made by Friends. | Masashi Okubo, Satoshi Nobuta |
| 2013 | HCI | Factor Models for Promoting Flow by Game Players' Skill Level. | Mamiko Sakata, Tsubasa Yamashita, Masashi Okubo |
| 2013 | RO-MAN | Development of avatar generating system by constructing portraits made by friends. | Masashi Okubo, Satoshi Nobuta |
| 2011 | HCI | Comparison between Mathematical Complexity and Human Feeling. | Masashi Okubo, Akiya Togo, Shogo Takahashi |
| 2009 | HCI | Development of Estimation System for Concentrate Situation Using Acceleration Sensor. | Masashi Okubo, Aya Fujimura |
| 2009 | RO-MAN | A proposal of estimation system for concentration situation by using acceleration sensor. | Masashi Okubo, Aya Fujimura |
| 2007 | RO-MAN | Development of an Embodied Virtual Group Walking Support System. | Masashi Okubo, Kumi Ozaki, Tatsuki Fujiwara |
| 2005 | RO-MAN | Effects of InterActor's nodding on a collaboration support system. | Masashi Okubo, Tomio Watanabe |
| 2003 | Interact | InterActor for Human Interaction and Communication Support. | Tomio Watanabe, Masashi Okubo, Ryusei Danbara |
| 2000 | SMC | A speech driven embodied interaction robots system for human communication support. | Tomio Watanabe, Masashi Okubo, Hiroki Ogawa |
| 1999 | HCI | Virtual face-to-face communication system for human interaction analysis by synthesis. | Tomio Watanabe, Masashi Okubo |
| 1997 | HCI | Physiological Analysis of Entrainment in Face-to-Face Communication. | Tomio Watanabe, Masashi Okubo |
| 1992 | MVA | Model Based Object Recognition Using Modified Coded Boundary Representation (MCBR) Method. | Katsunori Inoue, Shuichi Fukuda, Masashi Okubo, Tong Qin |