● April 2009 -March 2016
　NINJAL Core Research Projects　
Study on Teaching and Learning Japanese as a Second Language in a Multicultural Society

● April 2016 -March 2022
　NINJAL Core Research Projects　
Multiple Approaches to Analyzing the Communication of Japanese Language Learners

●  2012-04-01 – 2016-03-31
　Grant-in-Aid for Scientific Research (A) Project/Area Number 24251010
International corpus of Japanese as a second language-Focused on the corpus analysis and linguistic studies-

●  2016-04-01 – 2020-03-31
　Grant-in-Aid for Scientific Research (A) Project/Area Number 16H01934
International corpus of Japanese as a second language and applied research for language acquisition and education

● 2019-10-07 – 2023-03-31
　Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)) Project/Area Number 19KK0055
Building of a global network of teaching and research based on the corpus of Japanese language learners