Mori was awarded a Fields Medal at the 1990 International Congress which was held in the city in which he had studied as a student, namely Kyoto in Japan.
Mori ay iginawad ng isang patlang na medalya sa 1990 International Kongreso na kung saan ay gaganapin sa lungsod kung saan siya had-aral bilang isang estudyante, namely Kyoto sa bansang Hapon.