Uniform/Selective Heating Microwave Oven Using High Efficiency GaN-on-GaN HEMT Power Amplifier. - Masaru Sato 001; Yusuke Kumazaki; Naoya Okamoto; Toshihiro Ohki; Naoko Kurahashi; Masato Nishimori; Atsushi Yamada; Junji Kotani; Naoki Hara; Keiji Watanabe (IEICE Trans. Electron., 2023)