|May 1970||Shintome Architects is established in Tokyo’s Sumida ward.|
|June 1974||Company name changes to Takachiho Home-service Corp. Yokohama sales office opens.|
|December 1976||Headquarters moves to the Takashima area of Yokohama’s Nishi ward.|
|March 1981||Company name changes to Takachiho Shirasu Corp.
Headquarters moves to Yokohama’s Nishi ward.
|April 1999||Kyushu plant starts operation.|
|April 2001||Plant receives ISO 9001 certification.|
|June 2004||Headquarters moves to the Minatomirai area of Yokohama’s Nishi ward.|