2001
Released ダニ捕りマット
2004
Released ダニ捕りロボ（Ninja ROBO） and Mite control bedding
July 2005
Established NIKKAKU LABORATORY
February 2006
Established Nishiharima branch
August 2009
Established Shanghai branch
2010
Released ダニ捕りロボ プチ（Ninja ROBO petit）
Released ちょいとゴロ寝
Released ラ・ヌクー（far-infrared hot belt Ra-Nuku）
March 2012
Opened Aioi factory
April 2014
Opened Kamigori laboratory in Nishiharima branch