He was born in 1907 in Wakayama Prefecture and graduated from Osaka University and qualified as a physician in 1932.
In April 1943, he was appointed to be a doctor soldier with the first director of Amami Wakoen Sanatorium.
In August 1943, he was drafted and died on September 7, 1943, in China during war.
Yasuda was drafted before the completion of Amami Wakoen Sanatorium.
It was recorded that the Ministry of Army forgot the previous agreement by the Ministries of Army and Welfare that the first director of the sanatorium should not be drafted into military service.