- Foundations for Intercultural Communication (Graduate School, Otaru University of Commerce)
- Graduate Thesis (Otaru University of Commerce)
- Language Concepts for TESOL/TEFL (Graduate School, Otaru University of Commerce)
- English Linguistics (Otaru University of Commerce)
- English Grammar in a Contrastive Perspective (Graduate School, Otaru University of Commerce)
- Seminar and Thesis (Otaru University of Commerce)
- Introduction to English Linguistics (Otaru University of Commerce)
- Special Lecture on English Linguistics (Otaru University of Commerce)
- English (Otaru University of Commerce)
- British-American Culture (Tokyo University of Science)
- Academic English (Graduate School, Tokyo University of Science)
- Practical English (Tokyo University of Science)
- English (Tokyo University of Science)
- Carrier Design I (Tokyo University of Science)
- Basic Technical English (Graduate School of Engineering, The University of Tokushima)
- Intermediate/Elementary Japanese (Japan Center, State University of New York, Stony Brook)
- ESL oral/aural intermediate/advanced (Graduate School, State University of New York, Stony Brook)
- Eigo Enshu (Kindai University)