| 2024 | ICALT | Verification of the effectiveness of classes using intermediate content for transitioning from a visual-to a text-based programming language. | Katsuyuki Umezawa, Makoto Nakazawa, Shigeichi Hirasawa |
| 2024 | WorldCIST | Mental Stress Analysis During Visual- And Text-Based Language Learning by Measuring Heart Rate Variability. | Katsuyuki Umezawa, Takumi Koshikawa, Makoto Nakazawa, Shigeichi Hirasawa |
| 2022 | SMC | A Study on the Relationship Between Brain Waves, Heart Rate, and Facial Expressions During Programming Learning. | Katsuyuki Umezawa, Makoto Nakazawa, Michiko Nakano, Shigeichi Hirasawa |
| 2021 | WorldCIST | Evaluation of Difficulty During Visual Programming Learning Using a Simple Electroencephalograph and Minecraft Educational Edition. | Katsuyuki Umezawa, Makoto Nakazawa, Manabu Kobayashi, Yutaka Ishii, Michiko Nakano, Shigeichi Hirasawa |
| 2018 | WorldCIST | Learning State Estimation Method by Browsing History and Brain Waves During Programming Language Learning. | Katsuyuki Umezawa, Tomohiko Saito, Takashi Ishida, Makoto Nakazawa, Shigeichi Hirasawa |
| 2017 | ICALT | An Electroencephalograph-Based Method for Judging the Difficulty of a Task Given to a Learner. | Katsuyuki Umezawa, Tomohiko Saito, Takashi Ishida, Makoto Nakazawa, Shigeichi Hirasawa |
| 2014 | SMC | Learning styles for e-learning systems over virtual desktop infrastructure. | Shigeichi Hirasawa, Daiki Koizumi, Makoto Nakazawa, Tomoko Kondo |