2013 - 2017 A comparative study of vocational education and training between Nordic countries and Japan---focus on apprentice ship training--
2011 - 2013 The histrical study of the formation of readers conciousness of magazines and the affected of domestic "SHOUNEN" in modern era
2008 - 2009 Study of the formation of infants(boys and giris)magazines and the organization of Reader's communlty of magazines for domestic kindergarten infants and Elementary schools in modern era