Graduated from the Faculty of Letters, Kobe University. Completed graduate studies at the Graduate School of Letters, Kobe University, and the Graduate School of Cultural Sciences, Okayama University. Holds a Ph.D. in Literature.
Specializes in corpus linguistics and applied linguistics. Served as a lecturer at the University of Shizuoka, Hiroshima International University, and associate professor at Kobe University. Has held current position since 2004.
Vice President of the Mathematical Linguistic Society of Japan, board member of the Association for Japanese and English Language and Culture, and former president of the Japan Association for English Studies. Member of the Subdivision on the Japanese Language, Council for Cultural Affairs, Agency for Cultural Affairs, and Deputy Chair of its Language Resources Subcommittee. Regional Coordinator for the Kinki Block in the Ministry of Education, Culture, Sports, Science and Technology's project to establish training and development centers for Japanese language teachers.
Major works include ベーシックコーパス言語学 (A Basic Guide to Corpus Linguistics), ベーシック応用言語学(A Basic Guide to Applied Linguistics), and “The ICNALE Guide: An Introduction to a Learner Corpus Study on Asian Learners’ L2 English”. Translations include “Corpus Linguistics: Methods, Theory, and Practice” and “Words and Phrases: Corpus Studies of Lexical Semantics (Language in Society)” and “The Complete Short Stories of D.H. Lawrence”, Vol. 4 ("Two Blue Birds").