| 2015 | VINCI | Synchronizing Digital Signage Content with the Movement of Passerby. | Nozomi Tamaki, Masahito Hirakawa |
| 2011 | ISM | Sound Zone Control in an Interactive Table System Environment. | Ryuji Yamaguchi, Shinji Sugihara, Masahito Hirakawa |
| 2011 | VINCI | Support of self-management for chronic kidney failure patients. | Yasuhiro Sota, Keisuke Yamamoto, Masahito Hirakawa, Souichiro Doi, Yasuhisa Yamamoto |
| 2010 | VINCI | Visually searching the web for structural content. | Hirofumi Miyamoto, Masahito Hirakawa |
| 2009 | CISIS | A Multi-Dip Interface with Water. | Michihiro Ikeda, Norimasa Nagira, Masahito Hirakawa |
| 2009 | ISM | Dual Face Interaction in Handheld Augmented Reality Environments. | Shunsuke Asai, Masahito Hirakawa |
| 2006 | AVI | Video editing based on object movement and camera motion. | Yang Wang, Masahito Hirakawa |
| 2006 | ISM | Issues, Challenges, and Future Directions in Multimedia Research. | Masahito Hirakawa, Max Mhlhuser, Susanto Rahardja, Phillip C.-Y. Sheu, Larry Smarr, Jeffrey J. P. Tsai |
| 2006 | ISM | O-Key: A Scoopable Interface. | Chiemi Tanabe, Masahito Hirakawa |
| 2005 | ISM | Towards Understanding of Multimedia Documents: A Trial of Picture Book Analysis and Generation. | Momoko Yamamoto, Kyoko Hikino, Sayako Kijima, Masahito Hirakawa |
| 2002 | CW | Content-Based Video Retrieval Using Mosaic Images. | Masahito Hirakawa, K. Uchida, Atsuo Yoshitaka |
| 2002 | CW | A Stitching Algorithm of Still Pictures with Camera Translation. | Yang Linghong, Masahito Hirakawa |
| 2001 | Interact | Developing Situated Applications in Mobile Personal Computing. | K. Priyantha Hewagamage, Masahito Hirakawa |
| 1993 | SEKE | A Framework for Query Processing Utilizing Knowledge. | Atsuo Yoshitaka, Masahito Hirakawa, Tadao Ichikawa |
| 1984 | ICDE | Architecture and Algorithm for Parallel Execution of a Join Operation. | T. Nakayama, Masahito Hirakawa, Tadao Ichikawa |