- B.A. Tokyo Univ. of Foreign Studies 2003
- M.A. Tokyo Univ. of Foreign Studies 2007
- Ph.D. Tokyo Univ. of Foreign Studies 2012
- Descriptive linguistic studies of languages in Nothern Pakistan
- Rethinking of the grouping of Dardic and Nuristani languages
- Grammatical changes through language contacts
Current Research Topics
A descriptive study of Burushaski, A descriptive study of Domaaki, A descriptive study of Shina, On areal features of a sprachbund in Northern Pakistan
Burushaski, Domaaki, Urdu, Pakistan, Gilgit-Baltistan, Hunza, Descriptive linguistics, Contrastive linguistics, Comparative linguistics
- A Reference Grammar of Eastern Burushaski. Unpublished doctoral dissertation, Tokyo University of Foreign Studies.
- The interrogative element in Burushaski. In Language, Area and Cultural Studies. 16. pp. 383–91. Tokyo: Graduate School of Global Studies, Tokyo University of Foreign Studies.
- A Linguistic Outline and Phonological Sketch of Domaaki (in Japanese). In Tsuruga, Y., T. Miyake, Y. Kawaguchi, and T. Takagaki (eds.) Corpus Analysis and Linguistic Theory in Linguistic Studies, (Working Papers in Linguistic Informatics 11). pp. 327–56. Tokyo: Graduate School of Area and Culture Studies, Tokyo University of Foreign Studies.
- “Domaaki as a language of northern Pakistan: from a geolinguistic point of view” The 3rd International Conference on Asian Geolinguistics, 23-24 May, 2016, Royal University of Phnom Penh, Cambodia.
- “Spatial expressions in Burushaski” 32nd South Asian Languages Analysis Roundtable 27-29 April, 2016, Universidade de Lisboa, Portugal
- “Noun Modifying Expressions in Eastern Burushaski” International workshop on Noun Modifying Expressionsin South Asian Languages, 21-22 December, 2015, Deccan College in Pune, India.
- “On the Copulae of Languages in Northern Pakistan” 2nd Kashmir International Conference on Linguistics, 4-5 May, 2015, The University of Azad Jammu and Kashmir in Muzaffarabad, Pakistan.
- (With P. E. Hook and O. Koul) “Impersonal Causal Expressions: Searching for the links among Kashmiri, Shina of Gilgit, and Burushaski” 47th Annual Meeting of Societas Linguistica Europaea, 11–14 September, 2014, Adam Mickiewicz University in Poznań, Poland.