Born to Kokichi and Mitsuko Inoguchi in Nigata, Japan.
Earns a Bachelor of Arts from the University of Tokyo.
Earns a Master of Arts from the University of Tokyo.
Teaches as an associate professor at Sophia University in Tokyo until 1977.
Earns a Doctor of Philosophy from the Massachusetts Institute of Technology in Cambridge, Massachusetts.
Teaches as an associate professor of political science at the University of Tokyo until 1988.
Is a Fulbright visiting scholar at the Center for International Affairs within Harvard University.
Teaches as a professor at the University of Tokyo until 2005.
Becomes the senior vice rector at United Nations University until 1997.
Teaches as a distinguished visiting professor at the National University of Singapore and does so again in 2005 and 2007.
Is president of the Japanese Association of International Relations until 2002.
Serves as an editor for the Asian Journal of Comparative Politics with SAGE Publications until 2018.
Teaches as a professor at Chuo University in Tokyo until 2009.
Earns the title of professor emeritus from the University of Tokyo.
Becomes the chancellor and president of the University Niigata Prefecture until 2017.
Receives the International Society for Quality of Life Studies (ISQOLS) Distinguished Research Fellow Award.
Is named eminent scholar-professor within the Institute of Asian Cultures at J. F. Oberlin University in Tokyo.
Inspires The Takashi Inoguchi Endowed Track on Quality of Life and Well-Being in East Asia Award from the ISQOLS.
Published “The Development of Global Legislative Politics: Rousseau and Locke Writ Global (Trust Book 3)” via Sage Publications.
Continues to be a prolific and prescient writer in English on such subjects on Japanese politics and foreign policy.