Combinatorial Optimization Method Based on Hierarchical Structure in Solution Space. - Hiroki Ochiai; Kenichi Tamura; Keiichiro Yasuda (SMC, 2013)

Multi-point Search Combinatorial Optimization Method Based on Neighborhood Search Using Evaluation of Big Valley Structure. - Masahide Morita; Hiroki Ochiai; Kenichi Tamura; Keiichiro Yasuda (SMC, 2015)

Finite Element Method based Thermal Magnetic Core Characteristics Modeling and Thermal Simulation. - Hiroki Ochiai; Koichi Shigematsu; Jun Imaoka; Masayoshi Yamamoto (ISIE, 2022)