Contents from here
| 1896 | Tokyo Tatemono Co., Ltd. was established by Zenjiro Yasuda. Yokohama Branch Office (now the Yokohama Representative Office) was opened. |
|---|---|
| 1907 | Shares listed on the former Tokyo Stock Exchange. |
| 1928 | Sales of residential land commenced. |
| 1929 |
The Tokyo Tatemono Building was completed.
Headquarters moved to Tokyo Tatemono Building. |
| 1937 | Sales of villas commenced. |
| 1947 | Osaka Representative Office (now the Osaka Branch Office) was opened. |
| 1949 | Shares listed again on the Tokyo Stock Exchange. |
| 1952 | Received real estate brokerage license. |
| 1956 | Tokyo Real Estate Management Co., Ltd. was established. |
| 1959 | Tokyo Real Estate Cleaning Co., Ltd. (now Tokyo Building Service Co., Ltd.) was established. |
| 1962 | Totate Shoji Co., Ltd. (now Tokyo Tatemono Amenity Support Co., Ltd.) was established. |
| 1965 | Registered as a real estate appraiser. |
| 1968 | Sales of condominiums commenced. |
| 1974 | Permit for specialized construction received. |
| 1979 | Shinjuku Center Building was completed. |
| 1980 | Totate Housing Services Co., Ltd. (now Tokyo Tatemono Real Estate Sales Co., Ltd.) was established. |
| 1984 | Kyodo Building Management Co., Ltd. was established. |
| 1987 | Kawaguchiko Resort Development Co., Ltd. (now Tokyo Tatemono Resort Co., Ltd.) was established. Sapporo Representative Office (now Sapporo Branch Office) was opened. |
| 1989 | All shares of Nagai Compound Co., Ltd. (Totate International Bldg. Co., Ltd.) were acquired. |
| 1990 | Tokyo Tatemono (U.S.A.), Inc. was established. |
| 1994 | Tokyo Tatemono Techno-Build Co., Ltd. was established. |
| 1996 | 100th Anniversary Corporate philosophy and symbol introduced. Informa Co., Ltd. was established. Hatoriko Highland Regina Forest Co., Ltd. was established. Tokyo Tatemono Property Management Co., Ltd. (now Tokyo Tatemono Fund Management Co., Ltd.) was established. |
| 1998 | Hotness Co., Ltd. was established. Registration of the first real estate securitization based on Japan's Special Purpose Company (SPC) Law was obtained. The Building Leasing Division acquired ISO14001 certification. |
| 2001 | E-State Online Co., Ltd., an Internet-based real estate-related company, was established. Investment made in the high-speed Internet service business company Tsunagu Network Communications, Inc. Qualityworks Co., Ltd. was established, marking a move into the personnel business sector. |
| 2002 | Fukuoka Branch Office was established. The J-REIT Japan Prime Realty Investment Corporation was listed on the Tokyo Stock Exchange. |
| 2004 | Golf course operating company J-Golf Co., Ltd. was established. |
| 2005 | The Residential Housing Division acquired ISO9001 (FY2000) certification in the areas of condominium planning, development, construction and follow-up service. Nagoya Branch Office was established. PRIME PLACE Co., Ltd. was established. |
| 2006 | Tokyo Tatemono (Shanghai) Real Estate Consulting Co., Ltd. was established. |
| 2007 | Tokyo Tatemono Investment Advisors Co., Ltd. was established. Totate International Bldg. Co., Ltd. merged with Tokyo Tatemono Resort Co., Ltd. Tokyo Tatemono Real Estate Sales Co., Ltd. was listed on the First Section of the Tokyo Stock Exchange |
| 2008 | Tokyo Tatemono Investment Advisors Co., Ltd. was registered with financial instrument advisory business |
| 2009 | Tokyo Tatemono Amenity Support Co., Ltd. turned into Tokyo Tatemono Real Eatate Sales Co., Ltd. wholly owned subsidiary |
| 2011 | Nihon Parking Co.,Ltd. turned into Tokyo Tatemono Co.,Ltd. wholly owned subsidiary Hatoriko Highland Regina Forest Co., Ltd. merged with Tokyo Tatemono Resort Co., Ltd. Shinjuku Square Tower Management Co., Ltd. merged with Tokyo Tatemono. Co., Ltd. |