She has been a professor in the International Research Center for Japanese Studies, Kyoto, and at Kobe University.
ATP International Series | Japanese language | World Trade Center | center | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | Japanese people | International Olympic Committee | United States National Research Council | BirdLife International | National Research Council | International Finance Corporation | International Organization for Standardization | Second Sino-Japanese War | International Telecommunication Union | Imperial Japanese Navy | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization | English studies | Kennedy Space Center | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | Imperial Japanese Army |
He has also been a visiting professor at the International Research Center for Japanese Studies, Kyoto (2001–2002, 2008), a visiting professor at the Ruhr University Bochum, Germany (2008–2009), and a visiting professor at the National Institute for Japanese Language and Linguistics (NINJAL) in Tokyo, Japan in May-August 2012.
Ito is an honorary professor of University of Tokyo and International Research Center for Japanese Studies, and a professor of Reitaku University, and the Chairman of Japan Seaology Promotion Organization.