11:15 AM - 11:30 AM
*Ryo Matsumoto1, Takao Ebinuma2, Akihiro Hiruta1, Naoto Ishida1, Hitoshi Tomaru3 (1.Organization for the Strategic Laboratory of Research and Intellectual Properties, Meiji University, 2.Methane Hydrate Science, Graduate School of Engineering, Tottori University, 3.Dept of Earth Science, Faculty of Science, Chiba University)