The 9th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT9, website: https://tocat.catsj.jp/9/) has been held in Fukuoka of Japan from July 24 to 29, 2022. 2022-01-01 AdminAdmin Deadline for early-bird registration April 15, 2022 https://tocat.catsj.jp/9/ 2022-0724-tocat9_1stCircular.pdf