1. Research Institute, TOTO Ltd. 2-8-1 Honson Chigasaki Kanagawa 253-8577 Japan
2. Japan Technological Research Association of Artificial Photosynthetic Chemical Process (ARPChem) 2-11-9 Iwamotocho, Chiyoda-ku Tokyo 101-0032 Japan
3. Global Zero Emission Research Center (GZR) National Institute of Advanced Industrial Science and Technology (AIST) Central 5 1-1-1 Higashi Tsukuba, Ibaraki 305-8565 Japan
4. Research Initiative for Supra-Materials, Interdisciplinary Cluster for Cutting Edge Research Shinshu University 4-17-1 Wakasato Nagano 380-8553 Japan
5. Office of University Professors The University of Tokyo 2-11-16 Yayoi, Bunkyo-ku Tokyo 113-8656 Japan