- 2018.12.18: Publications page updated
- 2018.2.22: Publications page updated
- 2013.12.12: Research page renewed
- 2012.7.19: CV page updated
- 2012.2.27: Publications page updated
- 2011.11.10: Publications page updated
- 2011.4.26: CV and top pages updated
- 2011.4.7: CV and Publications pages updated
- 2009.12.7: All pages updated
- 2009.4.17: Top and CV pages updated
- 2008.12.29: Publications page updated
- 2007.1.24: Publications page updated
- 2006.5.22: HP renovated in the Cognitive Science Division at Kyushu University
- 2003.1.21: Article abstracts and Auditory Grammer page added
- 2002.11.12: Publications page was updated
- 2002.9.22: Publications and Research pages updated
- 2002.7.19: Publications and Main pages (only in Japanese) updated
- 2002.6.18: Publications and Research pages updated
- 2001.8.27: HP renovated completely