| 2026 | CHI | Estimating Shared Mental Models via Communication-Categorized Directed Graphs. | Hiroaki Tanaka, Wataru Yamada, Keiichi Ochiai, Shaowen Peng, Shoko Wakamiya, Eiji Aramaki |
| 2024 | CCS | Poster: End-to-End Privacy-Preserving Vertical Federated Learning using Private Cross-Organizational Data Collaboration. | Keiichi Ochiai, Masayuki Terada |
| 2024 | ICRA | Bicode: A Hybrid Blinking Marker System for Event Cameras. | Takuya Kitade, Wataru Yamada, Keiichi Ochiai, Michita Imai |
| 2022 | CHI | Janus Screen: Screen with Switchable Projection Surfaces Using Wire Grid Polarizer. | Wataru Yamada, Sawa Korogi, Keiichi Ochiai |
| 2022 | UIST | Shadowed Speech: an Audio Feedback System which Slows Down Speech Rate. | Mariko Chiba, Wataru Yamada, Keiichi Ochiai |
| 2022 | UIST | Anywhere Hoop: Virtual Free Throw Training System. | Masayasu Sumiya, Wataru Yamada, Keiichi Ochiai |
| 2021 | CHI | Estimating Work Engagement from Online Chat Logs. | Hiroaki Tanaka, Wataru Yamada, Keiichi Ochiai |
| 2020 | ICWSM | Gravity of Location-Based Service: Analyzing the Effects for Mobility Pattern and Location Prediction. | Keiichi Ochiai, Yusuke Fukazawa, Wataru Yamada, Hiroyuki Manabe, Yutaka Matsuo |
| 2020 | PKAW | C-LIME: A Consistency-Oriented LIME for Time-Series Health-Risk Predictions. | Taku Ito, Keiichi Ochiai, Yusuke Fukazawa |
| 2019 | KDD | Real-time On-Device Troubleshooting Recommendation for Smartphones. | Keiichi Ochiai, Kohei Senkawa, Naoki Yamamoto, Yuya Tanaka, Yusuke Fukazawa |
| 2019 | PERCOM | Local App Classification using Deep Neural Network based on Mobile App Market Data. | Keiichi Ochiai, Fatina Putri, Yusuke Fukazawa |
| 2009 | SIGGRAPH | Efficient acquisition of light transport based on separation of direct and global components. | Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake |
| 2007 | SIGGRAPH | Computational lighting reproduction for facial live video with rigid facial motion. | Takao Makino, Norimichi Tsumura, Koichi Takase, Ryusuke Honma, Keiichi Ochiai, Nobutoshi Ojima, Toshiya Nakaguchi, Yoichi Miyake |
| 2006 | SIGGRAPH | Gonio-spectral based digital archiving and reproduction system for electronic museum. | Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Kimiyoshi Miyata, Yoichi Miyake |