History
| 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. |