| 1973-08 |
Established Miyama Corporation in Nakano-ku, Tokyo, with a capital of 3 million yen, and started business mainly in real estate brokerage |
| 1981-01 |
Started sales of detached houses |
| 1985-04 |
Full-scale sales of the urban-type apartment 'Leopalace 21' |
| 1986-04 |
Founded the rental business division and launched full-scale real estate rental business |
| 1988-01 |
Established Miyama Guam, Inc., a local subsidiary in Guam (currently Leopalace Guam Corporation, a consolidated subsidiary) |
| 1988 |
Launched the unique organization 'Cube Club' with membership system for tenants and started recruiting members |
| 1989-02 |
Registered shares on the over-the-counter market with the Japan Securities Dealers Association |
| 1989-10 |
Changed the company name from Miyama Corporation to MDI Corporation |
| 1991-03 |
本社新社屋(東京都中野区本町)完成、本社移転 |
| 1999-10 |
Started sales of furniture-equipped monthly rental rooms 'Monthly Leopalace' |
| 2000-07 |
Changed the company name from MDI Corporation to Leopalace 21 Corporation |
| 2001-08 |
Implemented real estate securitization targeting our rental apartment 'Leopalace 21' |
| 2002-08 |
Launched broadband service 'LEONET' for tenants |
| 2004-03 |
Listed shares on the First Section of the Tokyo Stock Exchange |
| 2005-01 |
Established the Silver Business Division and started the Silver Business |
| 2005-04 |
Changed the membership-based occupancy system to "Leopalace21 Rental System" |
| 2006-06 |
Changed the company name from Leopalace Twenty-One Inc. to Leopalace21 Inc. |
| 2006-09 |
Established Leopalace Leasing Inc. (now a consolidated subsidiary) |
| 2006-09 |
Established Leopalace Insurance Planning Inc. (now Asuka Small Amount Short-Term Insurance Inc., a consolidated subsidiary) |
| 2007-04 |
Established Leopalace Finance Inc. (now Plaza Rental Management Guarantee Inc., a consolidated subsidiary) |
| 2009-06 |
Established Leopalace21 Business Consulting (Shanghai) Co., Ltd. (now a consolidated subsidiary) |
| 2009-08 |
Established Leopalace Smile Inc. (now a consolidated subsidiary) |
| 2010-04 |
Started Leopalace Partners (franchise system) |
| 2011-04 |
Started sales of solar power generation systems and home security systems for apartments |
| 2012-05 |
Launched "Room Customization" (now "my DIY") |
| 2012-11 |
Established Leopalace Power Inc. (now a consolidated subsidiary) |
| 2013-02 |
Launched nationwide "Roof Lease Solar Power Business" |
| 2013-10 |
Established Leopalace21 (Thailand) CO.,LTD., a local subsidiary in Thailand |
| 2013-11 |
Established LEOPALACE21 VIETNAM CO.,LTD., a local subsidiary in Vietnam |
| 2013-12 |
Established Az Life Care Inc. (now a consolidated subsidiary) |
| 2014-06 |
Established Leopalace21 (Cambodia) Co., Ltd., a local subsidiary in Cambodia |
| 2015-03 |
Acquired shares of Morizo Inc. |
| 2015-05 |
Established LEOPALACE21 PHILIPPINES INC., a local subsidiary in the Philippines |
| 2015-10 |
Established PT. Leopalace Duasatu Realty, a local subsidiary in Indonesia |
| 2016-06 |
Established Leopalace21 Singapore Pte. Ltd., a local subsidiary in Singapore |
| 2017-04 |
Adopted the high-performance smart lock "Leo Lock" in all newly built units |
| 2021-03 |
Transfer of all shares of Vietnam local subsidiary LEOPALACE21 VIETNAM CO.,LTD. |
| 2022-04 |
Transition from the First Section to the Prime Market due to review of the market classification of the Tokyo Stock Exchange |
| 2022-06 |
Establishment of Leopalace Green Energy Co., Ltd. (currently a related company accounted for by the equity method) |
| 2022-08 |
Transfer of all shares of South Korean housing rental management company Woori & Leo PMC Co., Ltd. |
| 2022-09 |
Transfer of all shares of Morizo Co., Ltd. |
| 2022-11 |
Implementation of absorption-type split of part of the silver business to Az Life Care Co., Ltd. (currently a consolidated subsidiary) |
| 2023-02 |
Completion of liquidation of Thailand local subsidiary Leopalace21 (Thailand) CO., LTD. |
| 2023-03 |
Transfer of all shares of Philippine local subsidiary LEOPALACE21 PHILIPPINES INC. |
| 2024-01 |
Completion of liquidation of Indonesia local subsidiary PT. Leopalace Duasatu Realty |
| 2024-05 |
Completion of liquidation of Cambodia local subsidiary Leopalace21 (Cambodia) Co., Ltd. |
| 2025-06 |
Establishment of Az Residence Co., Ltd. (currently a consolidated subsidiary) |