| 2025 | IV | Fast Nearest Neighbor Retrieval based on Structural Features of Instruction Pairs in Preference Learning. | Maki Furue, Masakazu Hirokawa, Takayuki Itoh |
| 2025 | IV | CDST-Viz: Tree-Based Segmentation and Visual Analytics of Concept Drift. | Keita Sakuma, Ryuta Matsuno, Masakazu Hirokawa |
| 2024 | IV | Interactive Visualization of Ensemble Decision Trees Based on the Relations Among Weak Learners. | Miyu Kashiyama, Masakazu Hirokawa, Ryuta Matsuno, Keita Sakuma, Takayuki Itoh |
| 2024 | IV | Model Accuracy-Oriented Data Sets Visualization for Understanding Temporal Changes in Data. | Ryuta Matsuno, Keita Sakuma, Masakazu Hirokawa |
| 2024 | SMC | Augmenting the Perceptual Experience of Being Faced Using Gaze Modeling during Online Video Viewing. | Yuto Nakajima, Masakazu Hirokawa, Modar Hassan, Kenji Suzuki |
| 2024 | SMC | Computational Modeling of Mental Health Checkup with Response-Based Characterization Using a Smart Mirror. | Taiga Noguchi, Masakazu Hirokawa, Shotaro Doki, Kenji Suzuki |
| 2023 | SMC | A Sleeve Device using Electrical Impedance for Coaching Jump Shots in Basketball. | Kazuma Takaishi, Hayato Saiki, Masakazu Hirokawa, Modar Hassan, Kenji Suzuki |
| 2022 | CHI | Remote Communication via Huggable Interfaces - Behavior Synchronization and Social Presence. | Eleuda Nuez, Masakazu Hirokawa, Ari Hautasaari, Kenji Suzuki |
| 2022 | HRI | What Can We Do with a Robot for Family Playtime? | SunKyoung Kim, Masakazu Hirokawa, Atsushi Funahashi, Kenji Suzuki |
| 2021 | ICMLA | Use of Embedding Spaces for Transferring Robot Skills in Diverse Sensor Settings. | Kazushi Ninomiya, Masakazu Hirokawa, Kenji Suzuki |
| 2020 | ICCHP | A Multimodal Communication Aid for Persons with Cerebral Palsy Using Head Movement and Speech Recognition. | Tomoka Ikeda, Masakazu Hirokawa, Kenji Suzuki |
| 2020 | SMC | Spatial Perception and Operational Behavior of Drivers in Approaching to an Obstacle. | Shintaro Kawai, Masakazu Hirokawa, Naohisa Uesugi, Satoru Furugori, Toshihiro Hara, Kenji Suzuki |
| 2020 | SMC | Effects of Visual Biofeedback on Competition Performance Using an Immersive Mixed Reality System. | Maxwell Kennard, Haihan Zhang, Yuki Akimoto, Masakazu Hirokawa, Kenji Suzuki |
| 2020 | RO-MAN | Design of Haptic Gestures for Affective Social Signaling Through a Cushion Interface. | Eleuda Nuez, Masakazu Hirokawa, Kenji Suzuki |
| 2019 | ACII | Effect on Social Connectedness and Stress Levels by Using a Huggable Interface in Remote Communication. | Eleuda Nuez, Masakazu Hirokawa, Monica Perusqua-Hernndez, Kenji Suzuki |
| 2017 | RO-MAN | Gait measurement by a mobile humanoid robot as a walking trainer. | Chiara Piezzo, Bruno Leme, Masakazu Hirokawa, Kenji Suzuki |
| 2016 | RO-MAN | Design of a robotic agent that measures smile and facing behavior of children with Autism Spectrum Disorder. | Masakazu Hirokawa, Atsushi Funahashi, Yadong Pan, Yasushi Itoh, Kenji Suzuki |
| 2016 | RO-MAN | An approach to facilitate turn-taking behavior with paired devices for children with Autism Spectrum Disorder. | Eleuda Nuez, Soichiro Matsuda, Masakazu Hirokawa, Junichi Yamamoto, Kenji Suzuki |
| 2015 | HRI | Gaming Humanoids for Facilitating Social Interaction among People. | Junya Hirose, Masakazu Hirokawa, Kenji Suzuki |
| 2015 | RO-MAN | Gaming humanoid: A humanoid video game player with emotional/encouraging movement and skill level control. | Junya Hirose, Masakazu Hirokawa, Kenji Suzuki |
| 2015 | RO-MAN | Paired robotic devices to mediate and represent social behaviors. | Eleuda Nuez, Soichiro Matsuda, Masakazu Hirokawa, Junichi Yamamoto, Kenji Suzuki |
| 2015 | RO-MAN | Measuring K-degree facial interaction between robot and children with autism spectrum disorders. | Yadong Pan, Masakazu Hirokawa, Kenji Suzuki |
| 2014 | HRI | A doll-type interface for real-time humanoid teleoperation in robot-assisted activity. | Masakazu Hirokawa, Atsushi Funahashi, Yasushi Itoh, Kenji Suzuki |
| 2014 | RO-MAN | Design of affective robot-assisted activity for children with autism spectrum disorders. | Masakazu Hirokawa, Atsushi Funahashi, Yasushi Itoh, Kenji Suzuki |
| 2014 | RO-MAN | Robotic gaming companion to facilitate social interaction among children. | Junya Hirose, Masakazu Hirokawa, Kenji Suzuki |
| 2012 | ICRA | A haptic instruction based assisted driving system for training the reverse parking. | Masakazu Hirokawa, Naohisa Uesugi, Satoru Furugori, Tomoko Kitagawa, Kenji Suzuki |
| 2010 | KES | Coaching to Enhance the Online Behavior Learning of a Robotic Agent. | Masakazu Hirokawa, Kenji Suzuki |