| 2025 | INLG | QCoder Benchmark: Bridging Language Generation and Quantum Hardware through Simulator-Based Feedback. | Taku Mikuriya, Tatsuya Ishigaki, Masayuki Kawarada, Shunya Minami, Tadashi Kadowaki, Yohichi Suzuki, Soshun Naito, Shunya Takada, Takumi Kato, Tamotsu Basseda, Reo Yamada, Hiroya Takamura |
| 2025 | KES | Turning graffiti into art! The impact of shutter designs on shopping street attractiveness. | Takumi Kato, Yuki Chiba, Ami Hattori, Ryosuke Ikeda, Masaki Koizumi |
| 2025 | KES | Environmental protection or privacy protection: Improving recycling attitudes through marketing communication. | Takumi Kato, Yui Ikuma, Ryosuke Ikeda, Atsuki Matsuda, Masaki Koizumi |
| 2025 | KES | Evaluating digital channel effectiveness in manufacturing omnichannel strategies: Evidence from Japanese consumer loyalty analysis. | Masaki Koizumi, Takumi Kato, Kazuhiko Tsuda |
| 2023 | ICCSA | Effects of the Olympics on Citizens' Interest in Foreign Cultures: Evidence from the Tokyo 2020 Games. | Takumi Kato |
| 2023 | KES | The influence of sound on the attractiveness of automobile from a bird's eye view of perceived attractiveness. | Takashi Kondo, Takumi Kato, Kazuhiko Tsuda |
| 2022 | KES | Does bluish-white make a product less attractive? Empirical study on the exterior design of automobiles. | Takumi Kato |
| 2021 | KES | Factors of loyalty across corporate brand images, products, dealers, sales staff, and after-sales services in the automotive industry. | Takumi Kato |
| 2020 | KES | The effect of the number of additional options for vehicles on consumers' willingness to pay. | Takumi Kato, Kazuhiko Tsuda |
| 2018 | KES | Structured analysis of the evaluation process for adopting open-source software. | Shinji Akatsu, Yoshikatsu Fujita, Takumi Kato, Kazuhiko Tsuda |
| 2018 | KES | Contribution to Purchase Behavior of Voluntary Search Compared to Web Advertisement. | Takumi Kato, Kazuhiko Tsuda |
| 2018 | KES | A Management Method of the Corporate Brand Image Based on Customers' Perception. | Takumi Kato, Kazuhiko Tsuda |
| 2017 | KES | Related Verification of Emotional Value and Company Brand Emitted from Pure Recall. | Takumi Kato, Kazuhiko Tsuda |
| 2016 | KES | Study of Sensitivity Knowledge for Quantitative Evaluations to the car Exterior Design. | Takumi Kato, Kazuhiko Tsuda |
| 2015 | COMPSAC | Agent-Oriented Cooperation of IoT Devices Towards Advanced Logistics. | Takumi Kato, Ryo Chiba, Hideyuki Takahashi, Tetsuo Kinoshita |
| 2013 | COMPSAC | Multiagent System for Priority-Based Load Shedding in Microgrid. | Takumi Kato, Hideyuki Takahashi, Kazuto Sasai, Yujin Lim, Hak-Man Kim, Gen Kitagata, Tetsuo Kinoshita |