1983 Established the Nagashiro Duty Free Shop in Okinawa.

1998 Established Yakushidou Seiyaku Kako, Ltd. in Osaka.

1999 Established Yakushidou Seiyaku Kako, Ltd. in the world renowned island of longevity Okinawa.

2003 Launched the La-Shin Cosmetic line.

2006 Made Natto portable by transfering it into pills through advanced technology.

2008 Was granted the product manufacturing rights to Kumejima deep sea water by the Japanese government.

2009 Developed a natural skincare product with the Kumejima deep sea water which consisted of over 80 types of minerals.

2012 Yakushido Kabushiki Kaisha was recognized by the Japanese Government.