| 1950 |
Establishment of Yucali Industries Co., Ltd. |
| 1983 |
Renamed to Higashi Makoto Building Co., Ltd. |
| 1994 |
Seiichiro Yamaguchi appointed as President and Representative Director |
| 1994 |
Started sales of |
| 1994 |
Started condominium business of THE Palms series. |
| 1995 |
Completed THE Palms Kugahara, our first new construction and subdivision condominium (1995) |
| 1996 |
Renamed to Tosei Real Estate Co., Ltd. |
| 1996 |
Relocated headquarters to Kanda-Awaji-cho, Chiyoda-ku, Tokyo |
| 1996 |
Started real estate securitization business (now Real Estate Rejuvenation Business) |
| 1999 |
Started sales of detached houses in the "THE Palm Court" series |
| 1999 |
Started detached house subdivision business of THE Palms Court series. |
| 2000 |
Completed our first new construction and subdivision detached house, Palms Court Bunkyo Kasuga (2000) |
| 2000 |
Birth of THE Palms Kiba Park. Condominium |
| 2001 |
Received the Excellent Business Award from the Japan Housing Construction Industry Association (2001) |
| 2002 |
Started real estate securitization business (now Real Estate Fund & Consulting Business) |
| 2002 |
（社）全国住宅宅地協会連合会優良団地表彰（2002年） |
| 2003 |
THE Palm Higashi-Ikebukuro. Condominium |
| 2004 |
Listed shares on the JASDAQ Securities Exchange |
| 2004 |
THE Palm Saginomiya. Condominium |
| 2005 |
Established Tosei Revival Investment Co., Ltd. (now Tosei Logi Management Co., Ltd.) for corporate and business revitalization |
| 2005 |
Grouped Tosei Community Co., Ltd. (now Tosei Community Co., Ltd.) |
| 2005 |
Established Tosei REIT Advisors Co., Ltd. (now Tosei Asset Advisors Co., Ltd.) |
| 2005 |
Our company's unique quality control system for condominium planning, design, construction management, and after-sales service has obtained ISO9001 certification. |
| 2005 |
THE Premium Court Ota Central. |
| 2006 |
Renamed to Tosei Co., Ltd. |
| 2006 |
Relocated headquarters to Toranomon, Minato-ku, Tokyo |
| 2006 |
Listed shares on the Second Section of the Tokyo Stock Exchange |
| 2007 |
THE Palm Setagaya Sakura. Condominium |
| 2008 |
THE Palm Nihonbashi Yokoyamacho. Condominium |
| 2009 |
Started condominium redevelopment and subdivision business "Restyling Project" |
| 2011 |
Listed shares on the First Section of the Tokyo Stock Exchange |
| 2011 |
Mitaka Symphony Project. |
| 2012 |
Established Tosei Singapore Pte.Ltd. |
| 2012 |
The Palm Court Mitaka Adagio was recognized for its landscaping plan and layout, receiving the Excellent Business Award in the Detached Housing Division of the Japan Housing Industry Association in 2012. |
| 2012 |
THE Palm Tsukishima Luna Garden. Condominium |
| 2013 |
Listed on the Main Board of the Singapore Exchange |
| 2014 |
Tosei Asset Advisors Co., Ltd. entrusted with asset management, Tosei REIT Investment Corporation listed on the Tokyo Stock Exchange |
| 2014 |
THE Palm Court Yokohama Hakuraku. |
| 2014 |
THE Palm Court Kashiwa Hatsuishi. |
| 2015 |
Grouped Urban Home Co., Ltd. through M&A |
| 2015 |
THE Palm Court Koshigaya Laketown. |
| 2015 |
THE Palm Court Machida Tsurukawa. |
| 2015 |
To expand the business area for detached house development and strengthen procurement and sales networks in the Tokyo metropolitan area and Kanagawa Prefecture, we acquired 100% of the shares of Urban Home Co., Ltd. |
| 2016 |
Established Tosei Hotel Management Co., Ltd. |
| 2016 |
Established an in-house construction management system for comprehensive detached house development. |
| 2017 |
Started hotel business (opened Tosei Hotel Cocone Kanda as the first) |
| 2017 |
THE Palm Kamakura Shiroyama. |
| 2018 |
Established Tosei Hotel Service Co., Ltd. |
| 2018 |
THE Palm Yutenji Master Place. Condominium |
| 2018 |
THE Palm Chofu Manoa Garden. Condominium |
| 2020 |
THE Palm Sagamihara Park Brighter. Condominium |
| 2020 |
The Palm Court Hibari-ga-oka is born. |
| 2021 |
Relocated headquarters to Shibaura, Minato-ku, Tokyo |
| 2021 |
Grouped Princess Group (currently Tosei Princess Square Co., Ltd.) through M&A |
| 2021 |
The Palm Court Setagaya Hachimanyama is born. |
| 2022 |
Transitioned from the First Section to the Prime Market due to review of Tokyo Stock Exchange market classification |
| 2022 |
The Palm Toda Master Grace is born. The condominium mainly faces south, with a variety of plans to meet diverse living needs. Shared facilities such as the "Grace Lounge" where guests can relax and the lush outdoor terrace "Airy Leaf Garden" are also well-equipped. |
| 2022 |
The Palm Toda Master Grace is born. |
| 2024 |
Concluded a capital and business alliance agreement with Nagoya Railroad Co., Ltd. |
