- Otsuji, H. (in press).The Origin of Primary Science Education in Japan: A case of an East Asian Country., in Alessandra A. Viveiro, Maria Cristina de Senzi Zancul & Pedro Neves da Rocha (eds). Science Teaching in Primary School: Theoretical essays and experiences from American, Asian and European researchers, University of Campinas (Unicamp) and São Paulo State University (Unesp), Brazil.
- Otsuji, H. (2024.6 in press). Impression of the 2nd lecture "The Minuma-Tsusenbori. Canal" of the Field Work Society, Japan in FY2023,Bulletin of the Field Work Society, Japan Vol.8.
- Otsuji, H. (2024.3). Contents Organization of the "Basic Subjects of Education" -1-: "Foundation of Education" and "Introduction to Teaching Profession" Toyo University Journal of Education Career Center, Vol.6, 37-47.
- Otsuji, H. (2023.8). How the story of Inamuranohi was developed?: The message of Lafcadio Hearn, 2023年度全国地学教育研究大会・日本地学教育学会第77回全国大会(滋賀大会)
- Otsuji. H. (2022.11). The Meaning of "School Subject" and some developed examples. Science Educatino Monthly, 71(11), No.844, 13-16. (Japanese)
- Otsuji. H. (2022.8). The Moon in the Night of Nirvana, IX GeoSciEdu 2022, Matsue, Japan.
- Otsuji, H. (in press).The Origin of Primary Science Education in Japan: A case of an East Asian Country., in Alessandra A. Viveiro, Maria Cristina de Senzi Zancul & Pedro Neves da Rocha (eds). Science Teaching in Primary School: Theoretical essays and experiences from American, Asian and European researchers, University of Campinas (Unicamp) and São Paulo State University (Unesp), Brazil.
- Otsuji, H. (2022.4.4). Obtaining Research Fund from Japan: Factors to Consider, 40th Agency Research In-House Review, Keynote speech, 9:00-9:40am, April 4, 2022, West Visayas State University, Philippines.
YouTube 13'22" - Otsuji, H. (2022.3.25). Online workshop on university and academics for junior secondary school students, Journal of Education Career Center, Toyo university, Vol.4, 3-11. [Japanese]
- Hisashi OTSUJI, Yumiko AIGA, Rieko KIZAWA, Chihiro TAKAIWA, Toshio NAGANO, Yoshihiro NISHIMURA, Tadashi HARA, and Yoshiro YAMAZAKI. (2022.3.25). What and how the faculty members in charge of teaching profession have thought, directed, and coped with the COVID-19 disaster to maintain their ordinary teaching?: Virtual roundtable discussion in Kawagoe campus, Journal of Education Career Center, Toyo university, Vol.4, 45-55. [Japanese]
- Otsuji, H. (2022.2.25). Science education, Technology education, and STS, Tsukahara, Fujigaki, et al(eds.). "Contemporary History of Science, Technolgy and STS" Kyoto: Minerva-shobo Publishing Inc. 152-153.
- Otsuji, H. (2021.12.25). The Period for Integrated Study and Disaster Prevention; A questionnaire of 101 students, in the Seminar "Systematization and Sustainable Contribution for International Community of the Education on disaster prevention, mitigation and reconstruction in Japan" supported by the Grant-in-Aid for Scientific Research (B) Fujioka, T., IRIDeS, Tohoku University.
- Otsuji, H. (2021.9.19). Basin and Ahupua'a: Key Concepts of Disaster Prevention Awareness and Nature Recognition, Research group: Natural Disaster in Science Education VI (Fujioka, T.), 71st Annual meeting of Society of Japan Science Teaching (Gunma University). Online
- Otsuji, H. (2021.9.9). Online Occupation Experience in Period for Integrated Study, Inagi Daiich Junior High School, Tokyo. (9:00-15:00).
- Kawagoe Board of Education, Standard Development in-service training (technique enhancing course), 2021.7.29, 13:35~16:25, @Science Lab., Kawagoe City Education Center, Participants 9 science teachers.
- Otsuji, H. (2021.7.19). Lessons of a Veteran Teacher's Ordinary Instruction in Elementary School Science: Implications to Using an Analysis of Fujio Hiramatsu's Practice, in Isozaki & Sumida (eds.). Science Education Research and Practice from Japan, London: Springer, 221p, 109-131. DOI
- Otsuji, H. (2021.6.19). The Philosophical Background of Art in STEAM Education: Practical Trial for Prospective Science Teachers in Japan, EASE Conference 2021, Shizuoka, Japan (Online), Room 4 (3: Science Education for Middle or Secondary School and Related Areas), DAY 2 [June 19th (Sat.)] Session 3, 14:30-16:00 (JST:GMT+9) YouTube 12'45"
- "World of Science" (School textbooks of secondary science). (2021.4). Dainihon-tohso.
- Otsuji, H. (2021.3). Through a STEAM Education Trial in Pre-service Teacher Training Program: Beyond the Question of "Where is the Art?", Bulletin of teacher certificate program center, Toyo university, Vol.3, 21-27.
- Otsuji, H. Sekiguchi, M. and Young-Shin Park. (2020.8.19). Development of a Homepage for Disaster Prevention and Environmental Issues for Foreign visitors to Japan: Contents Selection Based on the Course of Study for Senior Secondary Earth Science and School Textbooks, Environmental Education (Japanese Society for Environmental Education), 30(1), 74-79.
- Otsuji, H. (2020). What Buson Caught in the Canola?: A Practical Trial of STEAM Education in East- Asia, 44th Annual meeting of Japan Society for Science Education (Himeji, Online) 2020.8.25-27, G064.