Graduated from the Faculty of Foreign Languages, Osaka University of Foreign Studies. Completed the master's and doctoral programs at the Graduate School of Foreign Languages, Kobe City University of Foreign Studies. Ph.D. in Literature.
Served as an associate professor at the Department of Literature, Kagoshima Prefectural Junior College, before assuming the position of associate professor and then professor at the Faculty of Literature, Kobe Women's University in 2011.
Has written numerous books, including "日本語の限定詞の機能" (Functions of Japanese Determiners), "名詞研究のこれまでとこれから" (Japanese Noun Studies: Past, Present, and Future), and "名詞類の文法" (Grammar of Noun Classes) as well as many articles, teaching materials, and research papers on Japanese synonyms and grammar. Has made many important contributions to Japanese language education.