Lecturer

Graduated from the Faculty of Letters, Otani University. Completed coursework without degree for the doctoral program in Religious Studies at the Graduate School of Letters, Kyoto University. Served as a term-appointed Assistant Professor in the Department of Philosophy at Otani University, Researcher at the Shinran Buddhist Center, and Research Assistant at the Inoue Enryo Center for Philosophy, before assuming the current position.

Completed the doctoral program at the Graduate School of Humanities and Sciences, Ochanomizu University. Holds a Ph.D. in Arts and Sciences. After serving as a Project-Engineered Lecturer at the same university, joined the Faculty of Food and Nutritional Sciences at Toyo University in 2016. Specializes in culinary science, food culture, and food education. Serves as an executive committee member of the Research and Survey Committee at the Washoku Association of Japan.

Completed the doctoral program in Applied Sociology at the Graduate School of Sociology, Ritsumeikan University in March 1991. Holds a Ph.D. in Sociology. Joined the faculty of the Department of Sociology, Faculty of Sociology at Toyo University in April 1992 and continues to teach to this day.

Graduated from the Faculty of Engineering, Yokohama National University. Completed the doctoral program at the Graduate School of Engineering, Yokohama National University. Holds a Ph.D. in Engineering.

Graduated from the University of Tsukuba with a major in Psychology, College of Human Sciences, Second Cluster of Colleges. Completed the doctoral program at the Graduate School of Japanese Applied Linguistics, Waseda University. Holds a Ph.D. in Japanese Language Education.

Completed the doctoral coursework without degree at the Graduate School of Social Sciences, Hitotsubashi University. Holds a Ph.D. in Sociology.

Graduated from East China University of Science and Technology with a major in Computer Science in 2002.
Held positions including System Engineer Leader and Program Manager at Neusoft Group, Visteon Japan Corporation, Valeo Japan Corporation, and Continental Automotive. Currently responsible for the development and sales of automotive GPS navigation units at TomTom, headquartered in the Netherlands. Has worked for many years in R&D, production, and sales with multinational teams at both Japanese and foreign-affiliated companies.

Graduated from Waseda University Faculty of Law. Completed a Master's degree in East Asian Languages and Cultures at the University of Illinois Graduate School, followed by a Master's degree in Education at Harvard University Graduate School. Earned a Ph.D. in Applied Linguistics from the University of London Graduate School. Held positions including Lecturer at Stanford University before assuming current role.

Vice Director and Senior Researcher, NPO Japanese Language Education Research Institute. Adjunct Lecturer at J. F. Oberlin University, Kokushikan University, Rikkyo University, Meiji University, and the Graduate School of Engineering, University of Tokyo Japanese Language Education Course.

Completed a doctoral program at the Graduate School of Intercultural Studies, Kobe University. Holds a Ph.D. in Interdisciplinary Studies.
Previously held teaching positions at Dongshin University (Korea), Kobe University, and Soochow University (Taiwan).
Since 2017, he has held his current position.
His research focuses on manga from the perspective of Japanese linguistics, exploring how character-specific language styles (yakuwarigo) function in manga.