*Tatsuhiko Miyatake1, Hironao Sakaki2, Kotaro Kondo2, Mamiko Nishiuchi2, Sadaoki Kojima2, Takayuki Sako3, Shinya Matsuda3, Yukinobu Watanabe1, Toshiyuki Shirai2, Masaki Kando2, Kiminori Kondo2
(1. Kyushu University, 2. QST, 3. Toshiba Energy Systems & Solutions Corporation)