Yoshida received the Imperial Prize of the Japan Academy twice (1936 and 1953) as well as the Robert Koch Gold Medal (1963).

[4] Yoshida was born in Asakawa, Fukushima and graduated from the Medical School, Imperial University of Tokyo in 1927.

[7] At the annual award presentation held in Asakawa, Fukushima, winners receive one million yen and a diploma.

[7] Past award winners include the following: After his death, Japanese cancer researchers established the Yamagiwa-Yoshida Memorial international study grants in honor of Katsusaburō Yamagiwa and Tomizo Yoshida.

[8] Since its inception in 1975, the grants supported by the Japan National Committee, Union for International Cancer Control, have contributed to the development of the professional capacity of over 330 Fellows from over 40 countries.