1963	Started business as Ida Shoten
1967	Established as Idseni Limited Partnership Company Registered as a corporation
1988	Reorganized as Idaseni, LTD.
2002	Utility model registration “moss stitch fabric”
2003	Selected as “One company, One technology” by Gunma Prefecture
2003	Started nursing care business
2009	Started internet shopping business
2012	Trademark registration of “WASUIAN”
2015	Construction of new company building
2015	The world’s first store specializing in traditional Japanese samue, the company’s original brand “WASUIAN” opened
2017	Opened “wausianjapan” website for overseas customers
2017	Construction of the company’s own factory “Idaseni, LTD. FACTORY”
2018	Selected as “Trade and Industry, Approval of Business Plan for Utilization of Regional Resources” by the Ministry of Economy, Trade and Industry
2018	Awarded as “Excellent Company Award” by Gunma Prefecture
2019	Awarded as “Iki-iki G Company Excellent Business Office Award”, and “Encouragement Award” by Gunma Prefecture
2019	Awarded as “300 most promising small and medium-sized enterprises (SMEs)” by the Ministry of Economy, Trade and Industry
2019	Recognized as “Best Practice Company” by the Gunma Prefecture Labor Bureau
2021	Selected as “Regional Future Driving Company” by the Ministry of Economy, Trade and Industry
2022	Renewal of overseas website “wausianjapan”
2023	Selected as “100 textile companies for the next generation” in four categories by the Ministry of Economy, Trade and Industry
2023	Construction of the company’s second factory