After retirement from University of Tokyo, Hattori was invited to teach at Meiji University from 1991[6][7] to 1999,[7] when they opened mathematics major in 1989. Professor Hiroko Morimoto invited Drs. Akio Hattori and Hiroshi Fujita from the University of Tokyo, and Dr. Shiro Goto from Nihon University joined to launch a research and educational system for algebra, geometry and analytics.[8]
^Hattori, Akio (1959). Faiba bandoru no De Rham kohomoroji ni okeru supekutoru keiretsu [Spectrum series in De Rham cohomology of fiber bundle] (in Japanese). University of Tokyo.
^Furuta, Mikio (September 2013). "Oshirase : Hattori Akio-sensei no goseikyo wo itamu" [Notice: Mourn for the passing of Dr. Akio Hattori]. Science Department Bulletin, Graduate School of Science (in Japanese). 45 (3). Faculty of Science, University of Tokyo: 15. OCLC997304695. Retrieved 13 June 2018.