| 2007 | HCI | Exploration of Possibility of Multithreaded Conversations Using a Voice Communication System. | Kanayo Ogura, Kazushi Nishimoto, Kozo Sugiyama |
| 2007 | KES | Community Support System for Extensive Readers: Case Study in a Domain 'Knowledge Science'. | Kohei Ishikawa, Kanayo Ogura, Kozo Sugiyama |
| 2004 | KES | Evaluation of the IRORI: A Cyber-Space that Catalyzes Face-to-Face Informal Communication. | Masao Usuki, Kozo Sugiyama, Kazushi Nishimoto, Takashi Matsubara |
| 2004 | PRICAI | Evolving Artificial Ant Systems to Improve Layouts of Graphical Objects. | Vincent W. L. Tam, Simon Koo, Kozo Sugiyama |
| 2003 | GD | The Puzzle Layout Problem. | Kozo Sugiyama, Seok-Hee Hong, Atsuhiko Maeda |
| 2003 | KES | Visualization Methods for Sharing Knowledge Pieces and Relationships Based on Biological Models. | Masao Usuki, Kozo Sugiyama |
| 2000 | KES | Log analyses of human behavior on interactive amusement media. | Atsuhiko Maeda, Kozo Sugiyama, Kenji Mase |
| 1999 | KES | Development and evaluation of human thinking support tools. | Kozo Sugiyama, Kazuo Misue, Isamu Watanabe, Kiyoshi Nitta |
| 1998 | KES | Enhancing D-ABDUCTOR towards a diagrammatic user interface platform. | Kazuo Misue, Kiyoshi Nitta, Kozo Sugiyama, Takeshi Koshiba, R. Inder |
| 1995 | GD | A Generic Compound Graph Visualizer/Manipulator: D-ABDUCTOR. | Kozo Sugiyama, Kazuo Misue |
| 1994 | GD | A Simple and Unified Method for Drawing Graphs: Magnetic-Spring Algorithm. | Kozo Sugiyama, Kazuo Misue |
| 1990 | Interact | "Good" graphic interfaces for "good" idea organizers. | Kozo Sugiyama, Kazuo Misue |