of Honor with a Purple Ribbon. Masatoshi Takeichi (竹市 雅俊), a Japanese cell biologist, 2005 Japan Prize winner. Mathematics Masayoshi Nagata (永田 雅宜), a Japanese mathematician, disproved Hilbert's fourteenth problem. Goro Azumaya (東屋 五郎), a Japanese mathematician, introduced the notion of Azumaya algebra. Masatake Kuranishi (倉西 正武), a Japanese mathematician, established the Cartan-Kuranishi Theorem. Tomio Kubota (久保田 富雄), a Japanese mathematician. Takashi Ono (小野 孝), a Japanese mathematician. Hiroshi Umemura (mathematician) (梅村博), a Japanese mathematician who studied Painlevé equations, particularly Galois theory. More notable alumni Tang Jun, President and CEO of Xin Hua Du Industrial Group Co. Uichiro Niwa - Japanese Ambassador to China, former Chairman and President of Itochu, former CEO of Japan Post Holdings Shoichiro Toyoda - Ex-CEO of Toyota Motor References External links Nagoya Repository - collection of scholarly papers and dissertations by the faculty and students of Nagoya University. Information about the English-taught Full Degree Program Courses offered in English Educational institutions established in 1939 Japanese national universities National Seven Universities Universities and colleges in Nagoya 1939 establishments in Japan Super Global Universities