| 2025 | MDAI | Measurable Closure of a Finitely-Additive Measure Space: An Analysis of Spaces Similar to Stone Spaces. | Ryoji Fukuda, Yoshiaki Okazaki, Aoi Honda |
| 2024 | MDAI | An Axiomatic Definition of Non-discrete Mbius transform. | Ryoji Fukuda, Aoi Honda, Yoshiaki Okazaki |
| 2023 | MDAI | Constructive Set Function and Extraction of a k-dimensional Element. | Ryoji Fukuda, Aoi Honda, Yoshiaki Okazaki |
| 2021 | MDAI | On Two Generalizations for k-Additivity. | Ryoji Fukuda, Aoi Honda, Yoshiaki Okazaki |
| 2020 | MDAI | Constructive k-Additive Measure and Decreasing Convergence Theorems. | Ryoji Fukuda, Aoi Honda, Yoshiaki Okazaki |
| 2014 | IPMU | Rescaling for Evaluations Using Inclusion-Exclusion Integral. | Aoi Honda, Ryoji Fukuda, Jun Okamoto |
| 2012 | ICCHP | Expression Rules of Directed Graphs for Non-visual Communication. | Ryoji Fukuda |
| 2006 | ICCHP | Graphic Editor for Visually Impaired Users. | Atsushi Nishi, Ryoji Fukuda |
| 2004 | ICCHP | Handwriting Input System of Graphs for Barrier-Free Mathematical Communications. | Ryoji Fukuda, Masanori Yo, Taichi Kawahara |
| 2003 | DocEng | INFTY: an integrated OCR system for mathematical documents. | Masakazu Suzuki, Fumikazu Tamari, Ryoji Fukuda, Seiichi Uchida, Toshihiro Kanahori |
| 1999 | ICDAR | A Technique of Mathematical Expression Structure Analysis for the Handwriting Input System. | Ryoji Fukuda, Sou I, Fumikazu Tamari, Xie Ming, Masakazu Suzuki |