| 2020 | WETICE | Tracing patient PLOD by mobile phones Mitigation of epidemic risks based on patient locational open data. | Ikki Ohmukai, Yasunori Yamamoto, Maori Ito, Takashi Okumura |
| 2018 | OPODIS | Optimal Rendezvous L-Algorithms for Asynchronous Mobile Robots with External-Lights. | Takashi Okumura, Koichi Wada, Xavier Dfago |
| 2017 | CBMS | Differential Diagnosis Listing as Relevance Feedback: An Essential User Interface for Clinical Decision Support Systems. | Takashi Okumura, Tomoko Kajiyama, Noboru Sonehara |
| 2017 | SSS | Brief Announcement: Optimal Asynchronous Rendezvous for Mobile Robots with Lights. | Takashi Okumura, Koichi Wada, Yoshiaki Katayama |
| 2015 | FlAIRS | Disease Similarity Calculation on Simplified Disease Knowledge Base for Clinical Decision Support Systems. | Mai Omura, Yuka Tateishi, Takashi Okumura |
| 2013 | ACL | Clinical Vocabulary and Clinical Finding Concepts in Medical Literature. | Takashi Okumura, Eiji Aramaki, Yuka Tateisi |
| 2013 | CBMS | Interpretation of laboratory examination results and their simple representation. | Takashi Okumura, Yuka Tateisi |
| 2011 | CoNEXT | How geeks responded to a catastrophic disaster of a high-tech country: rapid development of counter-disaster systems for the great east Japan earthquake of March 2011. | Arifumi Utani, Teruhiro Mizumoto, Takashi Okumura |
| 2010 | PERCOM | Emergency management for information systems in public health a case study of the 2009 pandemic-flu response in Japan. | Tomoki Murota, Akira Kato, Takashi Okumura |
| 2008 | VEE | Running a Java VM inside an operating system kernel. | Takashi Okumura, Bruce R. Childers, Daniel Moss |
| 2005 | GLOBECOM | Prioritizing write acknowledgment inside network fileservers. | Takashi Okumura, Ahmed Amer, Daniel Moss |
| 2005 | INFOCOM | The Netnice packet filter: bridging the structural mismatches in end-host network control. | Takashi Okumura, Daniel Moss |
| 2003 | CCGRID | Network QoS Management Framework for Server Clusters An End-Host Retrofitting Event-Handler Approachusin Netnice. | Takashi Okumura, Daniel Moss, Masaki Minami, Osamu Nakamura |
| 2000 | ICCCN | netnice: nice is not only for CPUs-a simple subnetwork bandwidth management scheme. | Takashi Okumura, Mark Moir, Daniel Moss |