| 2023 | APLAS | Argument Reduction of Constrained Horn Clauses Using Equality Constraints. | Ryo Ikeda, Ryosuke Sato, Naoki Kobayashi |
| 2021 | CHI | Preliminary Investigation of Text Entry Method with Haptic Feedback from Real Object Surfaces Estimated Using Hand Tracking on HMD. | Rio Hirai, Ryo Ikeda, Buntarou Shizuki |
| 2021 | CHI | Hover-Based Reachability Technique for Executing Single-Touch Gesture on Smartphone. | Ryo Ikeda, Kyohei Hakka, Buntarou Shizuki |
| 2020 | CHI | Preliminary Investigation of Tapping Force on Pressure-Sensitive Touchscreen for Expanding Input Vocabulary on Smartphone. | Ryo Ikeda, Yuta Urushiyama, Buntarou Shizuki |
| 2020 | TEI | Japanese Patterns as NFC Antennas for Interactive Urushi-ware. | Keita Saito, Takuto Nakamura, Kazushi Kamezawa, Ryo Ikeda, Yuki Hashimoto, Buntarou Shizuki |
| 2015 | IWDW | Digital Video Watermark Optimization for Detecting Replicated Two-Dimensional Barcodes. | Takeru Maehara, Ryo Ikeda, Satoshi Ono |
| 2014 | GECCO | Semi-fragile watermark design for detecting illegal two-dimensional barcodes by evolutionary multi-objective optimization. | Satoshi Ono, Takeru Maehara, Kentaro Nakai, Ryo Ikeda, Koutaro Taniguchi |
| 2013 | GECCO | Self-adaptive niching differential evolution and its application to semi-fragile watermarking for two-dimensional barcodes on mobile phone screen. | Satoshi Ono, Takeru Maehara, Hirokazu Sakaguchi, Daisuke Taniyama, Ryo Ikeda, Shigeru Nakayama |