- 2020 - 2023 Linguistic characterization of Turkish immigrants in Germany through foreigner talk
- 2018 - 2021 Environments and linguistic change in the Altaic languages
- 2015 - 2018 Multilingualism and language awareness at schools in immigrant communities
- 2012 - 2016 Structured elicitation and its application to semantic research
- 2009 - 2013 Immigrant Communities and Language: language contact and language policy
- 2009 - 2011 Rapid changes and endangerment of the Altaic languagesin the global era
- 2007 - 2010 Deictics in Chinese and the surrounding languages
- 2006 - 2008 "Native" and "Loan" in Turkic Languages
- 2004 - 2006 A sociolinguistic study of the languages of immigrant communities
- 2002 - 2004 Mechanism of contact and change in Turkic languages
- 2000 - 2002 危機言語の記述とその動態論的研究-移民コミュニティにおける言語の変化-
- 2000 - 2002 言語の消滅・維持の動態論的研究
- 1999 - 2001 A Study of Turkic Languages in Peripheral Eurasia
- 1997 - 1998 ISLAMIC MOVEMENTS OF THE MUSLIM MIGRANTS IN WESTERN EUROPE
- 1996 - 1998 A Linguistic Research of Turkic Endangered Languages
- 1995 - 1997 HYPER VOCABULARY AND SPEECH SOUND DATAR BASE
- 1994 - 1996 Developing CAI Language Learning Programs of for learners in small number.
- 1994 - 1996 The linguistic data-base of languages of indigenous peoples in Northern Eurasia and the typological description of their features.
- 1994 - 1996 Socio-cultural change of Turkish Migrants to Germany
- 1994 - 1996 Study of Migration and symbiotic Systems in Islamic World
- 1992 - 1993 A Study of unified presentation of heterogeneous in human science
- 1989 - 1991 Comparative Study of Traditional Market (Suq/Bazar/Carsi) Networks in the Islamic Countries
- 周緑部チュルク諸語における言語接触の研究
- 現代ウイグル語の記述的研究
- 現代トルコ語の記述的研究
- Study of language contact in peripheral Turkic languages
- Descriptive study of modern Uyghur
- Descriptive study of modern Turkish
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