| 2023 | NetSoft | Understanding Roadblocks in Virtual Network I/O: A Comprehensive Analysis of CPU Cache Usage. | Daichi Takeya, Ryota Kawashima, Hiroki Nakayama, Tsunemasa Hayashi, Hiroshi Matsuo |
| 2020 | APNOMS | Channel Assignment and Access System Selection in Heterogeneous Wireless Network with Unlicensed Bands. | Kazuhiko Kinoshita, Kazuki Ginnan, Keita Kawano, Hiroki Nakayama, Tsunemasa Hayashi, Takashi Watanabe |
| 2019 | CNSM | NFV-VIPP: Catching Internal Figures of Packet Processing for Accelerating Development and Operations of NFV-nodes. | Masahiro Dodare, Yuki Taguchi, Ryota Kawashima, Hiroki Nakayama, Tsunemasa Hayashi, Hiroshi Matsuo |
| 2019 | IM | Connection Integration System for ICT Infrastructure Management. | Hiroki Nakayama, Tsunemasa Hayashi |
| 2019 | NetSoft | Reducing Inconsistency between Software-Defined Networking Controllers. | Yusaku Tsukuda, Masaru Kosugi, Kohei Shiomoto, Tatsuya Morita, Tsunemasa Hayashi |
| 2017 | APNOMS | Backhaul virtualization for multiple services in public WLANs. | Kazuki Ginnan, Keita Kawano, Kazuhiko Kinoshita, Hiroki Nakayama, Tsunemasa Hayashi, Takashi Watanabe |
| 2017 | CloudCom | PA-Flow: Gradual Packet Aggregation at Virtual Network I/O for Efficient Service Chaining. | Yuki Taguchi, Ryota Kawashima, Hiroki Nakayama, Tsunemasa Hayashi, Hiroshi Matsuo |
| 2017 | GLOBECOM | Fast Detection of Alternative Route under Unknown Failure on SDN Network. | Takumi Matsuura, Hiroki Nakayama, Tsunemasa Hayashi, Katsunori Yamaoka |
| 2017 | GLOBECOM | Automation of Network Operations by Cooperation between Anomaly Detections and Operation Logs. | Naoki Yoshida, Shingo Ata, Hiroki Nakayama, Tsunemasa Hayashi |
| 2017 | IWQoS | A study on resource granularity of vEPC optimal resource assignment. | Kazuki Tanabe, Hiroki Nakayama, Tsunemasa Hayashi, Katsunori Yamaoka |
| 2015 | IM | Establishing PDCA cycles for agile network management in SDN/NFV infrastructure. | Kotaro Shibata, Hiroki Nakayama, Tsunemasa Hayashi, Shingo Ata |
| 2015 | NetSoft | SCLP: Segment-oriented Connection-less Protocol for high-performance software tunneling in datacenter networks. | Ryota Kawashima, Shin Muramatsu, Hiroki Nakayama, Tsunemasa Hayashi, Hiroshi Matsuo |
| 2014 | APNOMS | An implementation model and solutions for stepwise introduction of SDN. | Hiroki Nakayama, Tatsuo Mori, Satoshi Ueno, Yoshihide Watanabe, Tsunemasa Hayashi |
| 1997 | ASPDAC | Co-evaluation of FPGA architectures and the CAD system for telecommunication. | Tsunemasa Hayashi, Atsushi Takahara, Ken-nosuke Fukami |