- 2016 - 2021 Primate foundation of language and altruism
- 2014 - 2019 Material intelligence and social intelligence in chimpanzees and bonobos
- 2015 - 2018 Comparative cognitive study on behavioral freedom in non-human animals
- 2013 - 2018 Mental time travel in apes
- 2013 - 2017 Construction and utilization of the genome/cell database for wildlife conservation
- 2013 - 2016 The long term effect of physical and social stressors on hair coltisol dynamics in captive chimpanzees
- 2013 - 2016 Looking at Human longevity in comparison with that of chimpanzees
- 2012 - 2014 Affection and social influences in great apes: a study using infra-red thermography
- 2011 - 2014 Comparative eye-traking study of great apes with respect to their understanding of self and others
- 2008 - 2013 Primate foundation of cognitive development
- 2011 - 2013 Behavioral and cognitive study on comparative health science
- 2009 - 2012 Construction of DNA database and analysis of genetic background of behavior in endangered wild animals.
- 2007 - 2009 環境教育装置としての動物園の機能解析
- 2007 - 2009 A comparative study on manipulations of body, object, and space images by human and nonhuman primates.
- 2005 - 2006 チンパンジーのセルフハンディキャップ行動:ヒトとの遊びの交渉を通して
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