| 2021 | VTC | Deep-Learning Aided Consensus Problem Considering Network Centrality. | Shoya Ogawa, Koji Ishii |
| 2015 | VTC | Space-Time Code Division Multiple Access Based on Spatial Modulation. | Megumi Fukuma, Koji Ishii |
| 2013 | VTC | Non-Binary Turbo Coded Spatial Modulation. | Shigeaki Hashimoto, Koji Ishii, Shigeaki Ogose |
| 2011 | PIMRC | Cross-layer designed adaptive packet length control for wireless networks. | Shintaro Mori, Koji Ishii, Shigeaki Ogose |
| 2010 | ISITA | Practical design and its evaluations for nested transmit diversity. | Takashi Hayashi, Koji Ishii, Shigeaki Ogose |
| 2010 | ISITA | A novel positioning estimation method with the correlation between sensors' data. | Yuuki Matsuura, Koji Ishii, Shigeaki Ogose |
| 2009 | CISIS | Mathematical Modeling for Spatiotemporal Development of Leaf Primordium. | Koji Ishii, Hiroyuki Hamada, Masahiro Okamoto |
| 2009 | HCI | Communication Grill/Salon: Hybrid Physical/Digital Artifacts for Stimulating Spontaneous Real World Communication. | Koh Sueda, Koji Ishii, Takashi Miyaki, Jun Rekimoto |
| 2009 | VTC | Design of Adaptive Coded Cooperation using Rate Compatible Turbo Codes. | Koji Ishibashi, Koji Ishii, Hideki Ochiai |
| 2008 | GLOBECOM | Diversity Order Analysis of Bit-Interleaved Coded DPSK with Cyclic Delay Diversity. | Koji Ishibashi, Koji Ishii, Hideki Ochiai |
| 2007 | PIMRC | Coded Cooperation Protocol Utilizing Superposition Modulation for Half-Duplex Scenario. | Koji Ishii |