| 2020 | IWOCA | Strongly Stable and Maximum Weakly Stable Noncrossing Matchings. | Koki Hamada, Shuichi Miyazaki, Kazuya Okamoto |
| 2019 | HAI | Agent-based Completion for Collecting Medical Note Parameters. | Lukman Heryawan, Purnomo Husnul Khotimah, Goshiro Yamamoto, Osamu Sugiyama, Shusuke Hiragi, Kazuya Okamoto, Tomohiro Kuroda |
| 2019 | HCI | Design Elements of Pervasive Games for Elderly Players: A Social Interaction Study Case. | Luciano H. O. Santos, Kazuya Okamoto, Shusuke Hiragi, Goshiro Yamamoto, Osamu Sugiyama, Tomoki Aoyama, Tomohiro Kuroda |
| 2017 | ISAAC | Jointly Stable Matchings. | Shuichi Miyazaki, Kazuya Okamoto |
| 2014 | SMC | A multi-agent based optimal operation for microgrid. | Takeshi Nagata, Kazuya Okamoto |
| 2013 | ACL | The Electronic Health Record as a Clinical Study Information Hub. | Naoto Kume, Kazuya Okamoto, Tomohiro Kuroda, Hiroyuki Yoshihara |
| 2008 | FAW | Ranking of Closeness Centrality for Large-Scale Social Networks. | Kazuya Okamoto, Wei Chen, Xiang-Yang Li |
| 2008 | ISAAC | Improving the Competitive Ratio of the Online OVSF Code Assignment Problem. | Shuichi Miyazaki, Kazuya Okamoto |
| 2007 | ESA | Improved Upper Bounds on the Competitive Ratio for Online Realtime Scheduling. | Koji M. Kobayashi, Kazuya Okamoto |
| 2007 | HCI | VR-Based Self Brain Surgery Game System by Deformable Volumetric Image Visualization. | Naoto Kume, Kazuya Okamoto, Takashi Tsukasa, Hiroyuki Yoshihara |
| 2007 | HCI | Finding Origin Points for New Coordinate System Suitable for Sign Animation. | Tomohiro Kuroda, Kazuya Okamoto, Ryo Kitauchi, Tadamasa Takemura, Naoki Ohboshi, Hiroyuki Yoshihara |
| 2007 | HCI | Context-Based Loose Information Structure for Medical Free Text Document. | Tadamasa Takemura, Kazuya Okamoto, Hyogyong Kim, Masahiro Hirose, Tomohiro Kuroda, Hiroyuki Yoshihara |
| 2004 | WCNC | Comparison of code combining and MRC diversity reception in mobile communications. | Hong Zhou, Kazuya Okamoto |