"Naoki HIRANO,Tomonori WATANABE,Shigeo NAGAYA,Tetsuji OKAMURA,Sangchul BAE,Koichiro WAKI,Tsuyoshi KAWANAMI","Basic research on durability of Mn-based magneto-caloric material for Magnetic Heat Pump","8th IIR/IIF International Conference on Magnetic Refrigeration",,,,,,2018,Sept. "TETSUJI OKAMURA,Naoto Oyama,Koji Ito,Naoki Hirano,Shigeo Nagaya","Improvement of the Performance of Room Temperature Magnetic Refrigerator System","2010 International Symposium on Next-generation Air Conditioning and Refrigeration Technology","Proc. of 2010 International Symposium on Next-generation Air Conditioning and Refrigeration Technology",,,,,2010,Feb. "TETSUJI OKAMURA,Naoto Oyama,Koji Ito,Naoki Hirano,Shigeo Nagaya","Development of Prototype Room-Temperature Magnetic Refrigerator","17th International Conference on MHD Energy Conversion","Proc. of 17th International Conference on MHD Energy Conversion",,,,,2009,Sept.