• 15,February.2017 : inquiry@kumasaplanning.com mail start.
• 15,February.2017 : Kumasaplanning domain start./ on baeikakkei
• 09,November.2014 : Flat File Slash Warehouse Gallery start.
• 09,June.2012 : Branching start.
• 24,July.2011 : office KPD closed. Kumasa Planning start.
• 17,July.2011 : TOPOS project start.
• 23,June.2011 : baeikakkei project construct start.
• 07,March.2011 : header official logo set.
• 26,December.2010 : Contact Form 7 / plugin installation for inquiry form.
• 25,December.2010 : Update type Office KPD Web installation. by wordpress ver 2.8.6 on cside server.