- 2023 - 2027 Word Formation Types from the Perspective of Prosody: A Comparative Study of Polysynthetic, Agglutinative, and Isolating Languages
- 2023 - 2027 Word Formation Types from the Perspective of Prosody: A Comparative Study of Polysynthetic, Agglutinative, and Isolating Languages
- 2020 - 2025 音象徴進化仮説ー普遍性から言語個別性、身体性から抽象性・体系性へ
- 2020 - 2023 音象徴の言語間差異にみられる恣意性と有契性:通言語比較実験による理論化の基礎研究
- 2019 - 2023 A comprehensive study on the nature of words: word- and phrase-formation in isolating, agglutinative, and polysynthetic languages
- 2016 - 2021 Why linguistic symbols should and should not be arbitrary: An integrative account from language evolution, acquisition, and brain functions.
- 2017 - 2020 Arbitrariness and motivation in sound symbolic meanings: theorization through cross-linguistic experimental studies
- 2015 - 2020 An empirical pragmatic study of ideophones based on audiovisual corpora
- 2015 - 2019 An empirical pragmatic study of ideophones based on audiovisual corpora
- 2016 - 2018 A typological study of the sound symbolism of ideophones in Japanese, Korean, and English
- 2013 - 2016 Structures and functions of iconicity in language: sound symbolism, mimetics, and poetical language
- 2012 - 2015 A frame-semantic study of the peculiarities of sound-symbolic words using audiovisual experiments
- 2009 - 2012 A crosslinguistic and developmental study of the syntax and semantics of sound-symbolic words: On the roles of lexical iconicity
- 2007 - 2009 A theoretical study of the syntax and semantics of sound-symbolic words in Japanese
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Japanese Cognitive Linguistics Association
, Japanese Society for Language Sciences
, Pragmatic Society of Japan
, Kansai Linguistic Society
, English Linguistic Society of Japan
, The Linguistic Society of America
, Phonological Society of Japan
, Linguistic Society of Japan