Kase died, aged 101 years, in Kamakura, of heart failure. See also Shun'ichi Kase, Japanese diplomat whose name is spelt with the same characters as Toshikazu's Japanese nationalism References Other sources |- 1903 births 2004 deaths Ambassadors of Japan to Yugoslavia Amherst College alumni Harvard Fellows Hitotsubashi University alumni Japanese centenarians Men centenarians Japanese people of World War II Japanese writers People from Chiba Prefecture Permanent Representatives of Japan to the United Nations