Yoshimi Ōsawa (大澤慶巳, Ōsawa Yoshimi; 6 March 1926 – 21 October 2022) was a Japanese judoka. Before his death, he was the only living Kodokan 10th dan (and one of only 15 to have attained this rank), having been promoted at the New Year Kagami Biraki Ceremony, 8 January 2006 along with Toshiro Daigo and Ichiro Abe.
Source: “Yoshimi Osawa”, English Wikipedia (CC BY-SA 4.0), excerpt