Masahiro Koga

国際学部准教授

Biography

東京都立大学大学院人文科学研究科博士後期課程を2021年に修了。日本学術振興会特別研究員DC1、日本学術振興会特別研究員PD（国立国語研究所）を経て、2023年より現職。「満洲」における言語環境研究や日本国内外における言語景観研究など社会言語学的研究に取り組んでいる。特に、「満洲」経験者への聞き取り調査を行うとともに、資料収集および資料公開にも注力している。

Research Interests

社会言語学、日本語教育学

Final Education

博士（日本語教育学）, 東京都立大学

Academic Papers

Masahiro Koga (2026) An “Introduction to linguistics” course for the nurturing of global human resources: Chinese language unit. Tokyo Metropolitan University Journal of Teacher Education (10)
Masahiro Koga (2025) Writing Strategies of “Nise Chinese‪” in the “Tuita‪” App‬‬:‬‬‬‬‬‬‬‬‬‬ A Study on Methods of Making Japanese Appear Chinese-like. Journal of Japanese Language (86)
Masahiro Koga (2025) Production and Use of Video Resource “Introduction of Linguistic Landscapes in Japan for Basic Level Japanese Learners” in Introductory Japanese Class. Studies in the Japanese Language (45)
Masahiro Koga (2024) The Linguistic Landscape of Koreatown in Nagoya：Its Origins and Current Status. Journal of Japanese Language (82)
Masahiro Koga (2024) Disentangling the Influences of two Sources Languages in “Kyōwa-go” through the application of “Positioning Analysis”. JALALIDA 104
Masahiro Koga (2024) An “Introduction to linguistics” course for the nurturing of global human resources: Japanese language unit. Tokyo Metropolitan University Journal of Teacher Education (8)
Masahiro Koga (2024) Multicultural Society of Hamamatsu City as Seen from Interview Surveys. JOURNAL OF ATOMI UNIVERSITY FACULTY OF LETTERS (59)
Masahiro Koga (2023) The Influence of Domain on Language Choice among Japanese in Former Colonies: A Case Study of Manchuria, Palau, and the Mariana Islands. JALALIDA
Masahiro Koga (2022) Effectiveness of 'Language Landscape Survey' in Promoting Active Learning for JFL Beginner Japanese Learners. JALALIDA
Masahiro Koga (2021) Did Kyowa-go disappear with the repatriation?: Examining continuity in the Manchuria contact language. NIHONGO KENKYU : Studies in the Japanese Language (41)

Grants

(2025) Linguistic Issues in Elderly Care for Foreign Residents in Japan: Analysis of Pioneering Cases and Current Situation. JSPS Primary Researcher
(2022) A sociolinguistic study to identify the Japanese language problems encountered by elderly foreigners living in Japan and proposals for their linguistic resolution. Grants-in-Aid for Scientific Research(KAKEN) Primary Researcher
(2021) Sociolinguistic research and linguistic proposals to alleviate the Japanese language problems of elderly foreigners in need of care. Grants-in-Aid for Scientific Research(KAKEN) Primary Researcher

Book & Case Publishing

Chih-Hung Lin (2025) She/He Comes from Manchuria: Oral Interview Records of Japanese People about Northeastern China. Institute of Modern History Academia Sinica
Tadashi SAKAMOTO, Tanomu KASHIMA (2024) Text Book for Government Certification as Japanese Teacher 1. Link Academy
Yoshifumi sato, Tomohiro Kanno, Akane Oishi, Makie Yukawa, Takumi Mori, Masahiro Koga (2022) An Era of Collapse and Reconstruction: Japanese Diaries from Postwar Manchuria. Toho Shoten
Masahiro Koga (2021) Language Use of Japanese Residents in Former Colonies and Other Areas. Hitsuji Shobo