| 2019 | IECON | Topology Optimization of Magnetic Couplers for Wireless Power Transfer Considering Electromagnetic Shields. | Yoshitsugu Otomo, Hajime Igarashi |
| 2014 | ICAISC | Optimization of Router Deployment for Sensor Networks Using Genetic Algorithm. | Rony Teguh, Ryo Murakami, Hajime Igarashi |
| 2011 | ICMLA | Adaptive Profit Sharing Reinforcement Learning Method for Dynamic Environment. | Sadamori Koujaku, Kota Watanabe, Hajime Igarashi |
| 2010 | IJCNN | An image recognition based on neural oscillator network. | Kenta Hoshino, Hajime Igarashi |
| 2010 | IJCNN | Acquisition of adaptive walking behaviors using machine learning with Central Pattern Generator. | Takahiro Sato, Kota Watanabe, Hajime Igarashi |
| 2007 | EMO | Overview of Artificial Immune Systems for Multi-objective Optimization. | Felipe Campelo, Frederico G. Guimares, Hajime Igarashi |
| 2006 | CEC | An Immune-based Algorithm for Topology Optimization. | Felipe Campelo, Frederico G. Guimares, Hajime Igarashi, Kota Watanabe, Jaime Arturo Ramrez |
| 2006 | CEC | Local Learning and Search in Memetic Algorithms. | Frederico G. Guimares, Elizabeth F. Wanner, Felipe Campelo, Ricardo H. C. Takahashi, Hajime Igarashi, David A. Lowther, Jaime A. Ramrez |