| 2011 | COMPSAC | Exploring How to Support Software Revision in Software Non-intensive Projects Using Existing Techniques. | Haruhiko Kaiya, Kenichiro Hara, Kyotaro Kobayashi, Akira Osada, Kenji Kaijiri |
| 2009 | SAC | A systematic method for generating quality requirements spectrum. | Shunichi Suzuki, Akira Osada, Tomonori Sato, Haruhiko Kaiya, Masaaki Tanigawa, Kenji Kaijiri |
| 2008 | COMPSAC | So/M: A Requirements Definition Tool Using Characteristics of Existing Similar Systems. | Naoyuki Kitazawa, Akira Osada, Kazuyuki Kamijo, Haruhiko Kaiya, Kenji Kaijiri |
| 2008 | SAC | Toward quality requirements analysis based on domain specific quality spectrum. | Haruhiko Kaiya, Tomonori Sato, Akira Osada, Naoyuki Kitazawa, Kenji Kaijiri |
| 2008 | SAC | Proposing metrics of difficulty of domain knowledge using usecase diagrams. | Akira Osada, Daigo Ozawa, Naoyuki Kitazawa, Haruhiko Kaiya, Kenji Kaijiri |
| 2004 | RE | Identifying Stakeholders and Their Preferences about NFR by Comparing Use Case Diagrams of Several Existing Systems. | Haruhiko Kaiya, Akira Osada, Kenji Kaijiri |