| 1960年04月 |
Model A marketed |
| 1960年08月 |
The Company incorporated with capital stock of \100 million and Jiro-o Ueno as President & Representative Director-stemming from the housing division of Sekisui Chemical Co., Ltd. |
| 1961年07月 |
Shiga Factory opened in Shiga Pref. |
| 1961年07月 |
Model B marketed |
| 1963年06月 |
Masaru Tanabe named President & Representative Director |
| 1963年10月 |
Company name changed to present one |
| 1970年08月 |
Stock listed on 2nd Section of Tokyo Stock Exchange and Osaka Securities Exchange |
| 1970年08月 |
Kanto Factory opened in Ibaragi Pref. |
| 1971年06月 |
Stock listed on 1st Section of Tokyo Stock Exchange and Osaka Securities Exchange |
| 1972年03月 |
Stock listed on Amsterdam Exchanges' Stock Market as CDR |
| 1972年08月 |
Stock listed on 1st Section of Nagoya Stock Exchange |
| 1973年08月 |
Yamaguchi Factory opened in Yamaguchi Pref. |
| 1973年11月 |
Encouragement Prize of the Year awarded for our steel-frame construction method |
| 1974年04月 |
Model B certified by Minister of Construction (MOC) as having performances required for factory-made homes pursuant to regulations |
| 1975年01月 |
Stock recognized as margin trading issue on 1st Section of Tokyo Stock Exchange, Osaka Securities Exchange, and Nagoya Stock Exchange |
| 1975年05月 |
Model E certified by MOC as having performances required for factory-made homes |
| 1975年06月 |
Head Office moved to Nakanoshima, Kita-ku, Osaka |
| 1975年12月 |
Model NC (concrete structure) marketed |
| 1976年11月 |
DM50 million convertible bond issued |
| 1977年03月 |
Stock listed on Frankfurt Stock Exchange as GBC |
| 1977年07月 |
Floating hotel delivered to ARAMCO, Saudi Arabia |
| 1977年09月 |
GRANDE MAISON Nagahori (Condominium) put on sale |
| 1977年11月 |
SFr50 million convertible bond issued |
| 1977年11月 |
Model W (wooden home) marketed |
| 1978年10月 |
1st unsecured convertible bond, \12 billion issued |
| 1979年01月 |
Sekisui Deutschland Bau GmbH founded |
| 1979年05月 |
Model S certified by MOC as having performances required for factory-made housing |
| 1979年07月 |
SFr70 million convertible bond issued |
| 1980年10月 |
Shizuoka Factory opened in Shizuoka Pref. |
| 1981年04月 |
Pro-Renta Haus-u. Wohnungsvermietungs GmbH founded |
| 1981年08月 |
Stock listed on Luxemburg Stock Exchange as EDR |
| 1982年04月 |
SFr70 million bond with warrant issued |
| 1982年04月 |
2nd unsecured convertible bond, \8 billion issued |
| 1982年09月 |
FAUBOURG (rental home) marketed |
| 1982年10月 |
Shizuoka Factory certified by MITI as excellent plant for quality control of factory-made homes etc |
| 1982年11月 |
Model PSH 21 (passive solar home) marketed |
| 1983年04月 |
SFr100 million straight bond issued |
| 1984年05月 |
US$50 million convertible bond issued |
| 1984年07月 |
IS FLAT (light-weight concrete home) marketed |
| 1985年04月 |
\15 billion convertible bond issued |
| 1985年07月 |
Tie-up with Tong-ji University, Shanghai, China |
| 1985年07月 |
Hyogo Factory opened in Hyogo Pref. |
| 1986年03月 |
3rd secured bond with warrant, \15 billion, issued |
| 1986年05月 |
ROKKO-ISLAND-CITY Development Headquarters set up |
| 1986年09月 |
Our model house in Osaka certified by MOC as complying with its CHS (Century Housing System) regulation |
| 1986年09月 |
GRENIER EX (steel-frame single-family home) marketed |
| 1986年09月 |
APIA (high-grade urban low rise apartment) marketed |
| 1986年11月 |
US$300 million bond with warrant issued |
| 1998年 |
取締役社長に和田 勇就任 |
| 1998年 |
生産部門一括で「ISO 9001」認証取得 |
| 1998年 |
鉄骨戸建住宅「セントレージΣ カーサ NEW」発売 |
| 1998年 |
賃貸住宅「バリュージュ」発売 |
| 1998年 |
都市型3階建住宅「ジオ・トリステージTS・RS」発売 |
| 1998年03月 |
「西宮マリナパークシティ」街びらき |
| 1998年04月 |
コンクリート住宅「グルニエ・ダインUX」「グルニエ・ダインNEO」 |
| 1998年04月 |
「グルニエ・ダインJX」発売 |
| 1998年07月 |
「基礎コンクリート養生用温熱シート工法」開発・発表 |
| 1998年08月 |
「スカイレールタウンみどり坂」に新交通システム「スカイレール」開通 |
| 1998年09月 |
第10回日本全国積水ハウス・デー「住まいの参観日」開催 |
| 1998年10月 |
木造戸建住宅「エム・アルバーノ」発売 |
| 1998年10月 |
「グルニエ・ダインシリーズ」がグッドデザイン賞を受賞 |
| 1998年11月 |
「鋼製大引仕様」に全面変更 |
| 1998年11月 |
コンクリート住宅「グルニエ・ダインTX」発売 |
| 1999年02月 |
住宅用低価格中水利用システム開発・発表 |
| 1999年02月 |
「生涯住宅」への取り組みに対し、国連の外郭団体であるInternational Council for Caring Communities（ICCC）より表彰を受ける |
| 1999年03月 |
鉄骨戸建住宅「セントレージ・グランツEX」「セントレージ・グランツGX」「セントレージ・グランツCX」「セントレージ・グランツDX」発売 |
| 1999年04月 |
都市型3階建住宅「ビエナ」発売 |
| 1999年04月 |
オリジナル外壁材「シェルテックコンクリート」開発 |
| 1999年04月 |
鉄骨戸建住宅「セントレージΣ -LR」「セントレージΣ -DR」発売 |
| 1999年06月 |
「小型タワークレーン、ガータークレーン」開発・発表 |
| 1999年09月 |
第11回日本全国積水ハウス・デー「住まいの参観日」開催 |
| 1999年10月 |
中古住宅流通システム「ユートラスシステム」創設 |
| 1999年10月 |
賃貸住宅「グランバリエGT」「グランバリエGR」発売 |
| 1999年10月 |
「ビエナ」がグッドデザイン賞を受賞 |
| 1999年10月 |
木造戸建住宅「エム・シャントアRX」発売 |
| 1999年10月 |
「グルニエ・ダインシリーズ」「エム・シャントアRX」に「次世代省エネルギー仕様」を標準採用 |
| 1999年11月 |
「環境未来計画」発表 |
| 2000年02月 |
全戸建住宅に「断熱アルミサッシ」「遮熱断熱複層ガラス」標準仕様 |
| 2000年02月 |
工場でのゼロエミッションプロジェクト開始 |
| 2000年03月 |
賃貸住宅「グランバリエG3」発売 |
| 2000年03月 |
低層賃貸住宅を「シャーメゾン」としてブランド名統一 |
| 2000年03月 |
鉄骨戸建住宅「セントレージ・ギャラリー」発売 |
| 2000年04月 |
20年品質保証制度開始 |
| 2000年06月 |
コンクリート住宅「ダインズ・バリュー」、3階建コンクリート住宅「シェルテック・バリュー」発売 |
| 2000年06月 |
建設業許可（建設大臣許可（特-12）第5295号、防水工事業） |
| 2000年07月 |
木造戸建住宅「エム・ナチュラ プラス」発売 |
| 2000年08月 |
創立40周年 |
| 2000年09月 |
第12回日本全国積水ハウス・デー「住まいの参観日」開催 |
| 2000年09月 |
賃貸住宅「バリュージュ NEW」発売 |
| 2000年10月 |
木造戸建住宅「エム・シャントア・バリュー」発売 |
| 2000年10月 |
賃貸住宅「グランシード・アーバン」発売 |
| 2000年10月 |
「エム・シャントアRX」、可動間仕切収納「ヴァリエス」がグッドデザイン賞を受賞 |
| 2015年 |
Joint public-private action for regional disaster prevention at the Tohoku Factory introduced in a study tour conducted as part of the 3rd United Nations World Conference on Disaster Risk Reduction. |
| 2015年 |
The Central Park project in Australia named “Best Innovative Green Building” at the MIPIM Awards. |
| 2015年 |
Sekisui House included in the “Competitive IT Strategy Company Stock Selection” established in FY2015 as one of the 18 companies by the Ministry of Economy, Trade and Industry and the Tokyo Stock exchange, becoming the first company in the construction industry to be included in this selection. |
| 2015年01月 |
Green First ZERO energy-neutral home won the Jury’s Special Prize in the 2014 Energy Conservation Grand Prize. |
| 2015年03月 |
Multi-generation community development project started in the “Ekoda 3-chome” district of Nakano-ku, Tokyo, in cooperation with the Urban Renaissance Agency. |
| 2015年05月 |
“MAST Clerien Kagurazaka,” a rental apartment designed to encourage cross-generational communications among residents, such as the elderly, families with children, and newly married couples, completed. |
| 2015年07月 |
“Gravis Villa,” the 20th Anniversary Edition of “SHAWOOD” wooden-frame home, launched. |
| 2015年08月 |
“Koto Bay Satellite Smart Nursery School” won the Excellence Award (Minister of State for Measures for Declining Birthrate Awards) in the 9th Kids Design Awards. |
| 2015年09月 |
“Orihime Toilet,” a temporary portable toilet, won the Minister in charge of Women’s Empowerment and Minister of State for Gender Equality Award in the Japan Toilet Prize. |
| 2015年10月 |
“Gohon no ki” landscaping concept won the grand prize (Minister of Economy, Trade and Industry Award) in the 3rd Platinum Grand Prix. |
| 2015年12月 |
“SHAWOOD Premium Model” using selected domestic wood materials won the Excellence Award (Forestry Agency Director Award) in the Social Design category in the 1st Japan Wood Design Award. |
| 2017年 |
Sekisui House selected by the Ministry of Economy, Trade and Industry and the TokyoStock Exchange for inclusion on the 2017 “Nadeshiko” list, becoming the only company in the housing and construction industry to be included on this list for the fourth time. |
| 2017年 |
Demonstration experiment for housing performance evaluation started in cooperation with the Center for Preventive Medical Sciences, Chiba University. |
| 2017年 |
Subdivision sale of Grande Maison Kakuozan Kikuzakacho, Japan’s first net-zero energy condominium, started. |
| 2017年 |
“Green First ZERO” ranked second in the Sustainable City Grand Prize category in the Green Solutions Awards 2017. |
| 2017年 |
The housing industry’s first VR presentation of housing designs tailored to each customer’s needs started nationwide. |
| 2017年02月 |
Sekisui House given the Minister of Economy,Trade and Industry Prize, in the 26th Grand Prize for the Global Environment Award in recognition of the promotion of “Green First ZERO” models and other environmental initiatives. |
| 2017年03月 |
Sekisui House selected for the New Diversity Management Selection 100 project by the Ministry of Economy, Trade and Industry. |
| 2017年04月 |
New “IS” series employing the new dynamic frame system launched. |
| 2017年08月 |
Sekisui House Trust, Ltd. started operations to support owners of rental housing for smooth transition of assets. |
| 2017年10月 |
Sekisui House became the first company in the Japanese construction industry to join the RE100 initiative. |
| 2017年11月 |
“Flexible β system,” a new construction method for three-and four-story housing, introduced. |
| 2017年12月 |
Higashimatsushima City Smart Anti-Disaster EcoTown awarded the Minister of the Environment’s FY2017 Commendation for Global Warming Prevention Activity for two consecutive years. |
| 2018年 |
The first company in Japan’s housing industry to be certified by the Science Based Targets (SBT) initiative, an international scheme. |
| 2018年 |
A 10,000-visitor milestone achieved by the Sekisui House Eco First Park. |
| 2018年 |
The villa of the Yamazaki Family and the Usui Family (Sekisui House “Type A”) designated as one of the Karuizawa Blue Plaque buildings. |
| 2018年01月 |
Announcement of 2021 opening of W OSAKA, the first W hotel in Japan, made. |
| 2018年02月 |
Toshinori Abe named Chairman & Representative Director. |
| 2018年02月 |
Shiro Inagaki named Vice Chairman & Representative Director. |
| 2018年02月 |
Yoshihiro Nakai named President & Representative Director. |
| 2018年04月 |
Takashi Uchida named Executive Vice President & Representative Director. |
| 2018年06月 |
A quality inspection system incorporating image processing and AI technologies introduced in the production lines of “Bellburn” ceramic exterior wall tiles in the Shizuoka Factory. |
| 2018年07月 |
A commitment to ensuring that all male employees, if necessary, will take more than one month’s childcare leave declared. |
| 2018年08月 |
The Human Life R&D Institute opened as Japan’s first institute specialized in research on happiness. |
| 2019年01月 |
Sekisui House participated in CES 2019 as a single exhibitor. |
| 2019年01月 |
The Platform House Concept to make home the happiest place in the world announced. |
| 2019年01月 |
Sekisui House Owner Denki service to purchase post-FIT electricity of Sekisui House home owners announced. |
| 2019年01月 |
Selected for the CDP's prestigious 'A List' for Climate Change. |
| 2019年02月 |
Sekisui House given the “Silver Class” rating in corporate sustainability assessment by RobecoSAM. |
| 2019年03月 |
Sekisui House started working with KDDI and Hitachi to establish an inter-enterprise information-sharing platform. |
| 2019年04月 |
Announcement of 2022 opening of Courtyard by Marriott Nagoya made. |
| 2019年04月 |
Sekisui House included in the Competitive IT Strategy Company Stock Selection for the third time. |
| 2019年05月 |
Announcement of partnership to be formed with Homes England and Urban Splash to move into the UK housing market made. |
| 2019年06月 |
Comprehensive partnership agreement signed with Osaka Prefectural Government. |
| 2019年07月 |
Project started to redevelop the former Daimyo Elementary School site into a multi-purpose complex comprised of Kyushu’s _rst Ritz Carton Hotel and of_ce buildings. |
| 2019年08月 |
“Smart Inspection,” the _rst remote inspection system in the housing industry, launched. |
| 2019年09月 |
Establishment of a Day to Consider Childcare Leave. |
| 2019年09月 |
Establishment of a system for registering common law marriage and same-sex partners - a first for a major housing manufacturer. |
| 2019年09月 |
Announcement of the Ikumen White Paper 2019, a survey of the state of childcare leave in Japan. |
| 2019年09月 |
Selected as a member of DJSI World for the fourth consecutive year and for the DJSI Asia Pacific for the third consecutive year. |
| 2019年09月 |
Awarded the Award of Excellence for Ikumen Childcare in the 13th Kids Design Award and the Gender Equality Bureau Cabinet Office Minister's Award. |
| 2019年10月 |
Awarded the Good Design Award in 2019 for the Family Suite, the Egotanomori Project, etc. |
| 2019年10月 |
Announcement of joint research with the MIT Institute for Medical Engineering and Science (IMES) on home health monitoring. |
| 2019年10月 |
Awarded Gold for second consecutive year in the PRIDE Index 2019, which evaluates LGBTQ initiatives - a first for a housing manufacturer. |
| 2019年10月 |
Establishment of a technical training facility in Vietnam - the first for a housing manufacturer. |
| 2019年11月 |
REGNUM COURT, a platform for urban 3- to 4-story steel frame custom detached houses, is launched. |
| 2019年11月 |
Grand opening of the Sekiwa Real Estate Kansai Minamimido Building and the Osaka Excel Hotel Tokyu, the first hotel in Japan integrated into a temple gate. |
| 2019年12月 |
First Company in Japan to issue a TCFD Report 2019 in the non-financial company sector. |
| 2020年01月 |
Announcement of the first Initiative under the platform house concept HED-Net, the world’s first in-home early detection network |
| 2020年01月 |
Homes resilient to natural disasters are unveiled in the US together with Woodside Homes and Hanley Wood |
| 2020年01月 |
Selected for the CDP's prestigious "A List" for Climate Change |
| 2020年02月 |
Operations begin at Sekisui House noie, a secondary brand for sales detached houses |
| 2020年03月 |
The Umekita 2nd Project (working title) urban design for Osaka is decided upon |
| 2020年04月 |
New housing experiment begins together with Osaka Gas on a house with three types of batteries |
| 2020年04月 |
Renewable energy is introduced through Sekisui House Owner Denki to model homes and other facilities around Japan |
| 2020年04月 |
Over 16 million trees have been planted through the Gohon no ki indigenous landscaping concept and standard tree identifier plates have been installed |
| 2020年05月 |
Partnership begins in the exterior business with Gifu Zohen |
| 2020年06月 |
The SEKISUI HOUSE-KUMA LAB general endowed course is established together with the University of Tokyo |
| 2020年07月 |
Opening of Moxy Osaka Shin Umeda |
| 2020年07月 |
Subsequent openings through Trip Base Michi no Eki Project, a project for regional revitalization |
| 2020年08月 |
Family Suite Premium Homes, a new lifestyle, is launched |
| 2020年08月 |
FRASER SUITES AKASAKA TOKYO, the first in Japan, opens |
| 2020年09月 |
Grand opening of seven new buildings at the Kanto Sumai no yume kojo center |
| 2020年09月 |
Shawood KOKAGE LOUNGE is launched |
| 2020年10月 |
Engawa KYOTO, GRAND MAISON JOSUI GARDEN CITY FOREST GATE I, and Prime Maison Shimokitazawa are awarded the 2020 Good Design Award |
| 2020年10月 |
Awarded the Japan Wood Design Award 2020 with the first fully SGEC/PEFC certified home in Japan |
| 2020年10月 |
Grand Prix winner in the Ikumen Company Award 2020 |
| 2020年11月 |
Awarded the 2020 Climate Change Action Minister of the Environment Award with the advancement of zero emissions rental housing |
| 2020年11月 |
Awarded Gold for third consecutive year in the PRIDE Index 2020, which evaluates LGBTQ initiatives |
| 2020年11月 |
Selected for the DJSI World and the DJSI Asia Pacific Index and designated an Industry Leader by the Dow Jones Sustainability Index |
| 2020年11月 |
First Japanese company to conduct a well-being survey, in partnership with professor Takashi Maeno from the graduate school at Keio University |
| 2021年01月 |
Awarded the Agency for Natural Resources and Energy Commissioner's Award in the 2020 New Energy Awards for Sekisui House Owner Denki |
| 2021年01月 |
Selected for the 2021 Bloomberg Gender-Equality Index |
| 2021年02月 |
Selected as Gold Class for the S&P Global's Sustainability Award |
| 2021年02月 |
Awarded the Silver Award in the Environmentally Sustainable Company division at the Ministry of the Environment's ESG Finance Awards Ja |
| 2021年03月 |
W Osaka, designed by Tadao Ando, opens |
| 2021年03月 |
Selected as a “Nadeshiko Brand” for the sixth time in FY2020 |
| 2021年04月 |
Lifestyle model house opens at the Kansai Sumai no yume kojo center |
| 2021年04月 |
One millionth visitor to Nattoku kobo |
| 2021年04月 |
Platform House ZERO, a smart home service, is launched |
| 2021年05月 |
Entered into a business alliance with TIMES24 and TIMES MOBILITY for parking lots at Sha Maison properties |
| 2021年05月 |
First nationally-operated park opens under the Park-PFI project at Uminonakamichi Seaside Park |
| 2021年07月 |
Placed first in Institutional Investor’s “2021 All-Japan Executive Team” |
| 2021年07月 |
Supported Minecraft Cup 2021 National Tournament, a programming education initiative for children |
| 2021年08月 |
Tomorrow's Life Museum reopened after renovation |
| 2021年08月 |
Sales of “PLATFORM HOUSE touch” launched |
| 2021年09月 |
“White Paper on Men’s Childcare Leave 2021” and “White Paper on Men’s Childcare Leave 2021 Special Edition” announced |
| 2021年10月 |
Placed first in the Construction/Housing/Real Estate category of the Securities Analysts Association of Japan’s 2021 Awards for Excellence in Corporate Disclosure |
| 2021年10月 |
T-BOX established by the University of Tokyo and Sekisui House as a research facility for exploring architectural innovations that leverage digital technology |
| 2021年10月 |
Sekisui House newspaper advertisement awarded top prize in the Purpose/ESG category of the Nikkei Advertising Awards |
| 2021年11月 |
Awarded Gold for the fourth consecutive year in the PRIDE Index 2021 |
| 2021年11月 |
SUMUFUMU TERRACE Shinjuku and SUMUFUMU TERRACE Tachikawa opened |
| 2021年11月 |
The “Gohon no ki” project’s nature-positive methodology for conserving urban biodiversity published |
| 2021年12月 |
Selected as a CDP Climate Change A List company, the highest CDP ranking |
| 2021年12月 |
Awarded Chairman’s Prize in the Energy Conservation Best Practices at Workplaces category of the Energy Conservation Center Japan’s 2021 Energy Conservation Grand Prize |
| 2021年12月 |
Awarded D&I Award 2021 grand prize |
| 2022年01月 |
Awarded Consumer Affairs Agency Commissioner’s Award commendation in the Award for Good Practices of Consumer-Oriented Management (2021) |
| 2022年01月 |
Holt Homes became a wholly owned subsidiary of Sekisui House US Holdings |
| 2022年01月 |
Selected for the 2022 Bloomberg Gender Equality Index for a second consecutive year |
| 2022年02月 |
SUMUFUMU TERRACE Aoyama opened |
| 2022年03月 |
Courtyard by Marriott Nagoya opened |
| 2022年03月 |
Awarded Grand Prize in the 30th Global Environment Awards |
| 2022年03月 |
Short-stay recreation center under the theme of park tourism opened in Uminonakamichi Seaside Park. |
| 2022年03月 |
Received Excellence Award in the Nikkei Annual Report Awards 2021 |
| 2022-04-01 |
Standardized the Revised Housing Performance Indication System top-level energy efficiency specifications “Insulation performance grade 5” and “Primary energy consumption grade 6” from April 1 |
| 2022年04月 |
Awarded Gold Prize in the Environmentally Sustainable Company category of the Ministry of the Environment's Third ESG Finance Awards Japan, the first Gold awarded in the construction industry |
| 2022年04月 |
SUITE CONCIER, a website for introducing lifestyle services to owners, launched |
| 2022年05月 |
Concluded partnership agreement with the National Cerebral and Cardiovascular Center |
| 2022年06月 |
Earned chain-of-custody (CoC) certification for manufacturing and distribution processes under the forest certification system |
| 2022年06月 |
Acquired Chesmar Homes, LLC as a subsidiary |
| 2022年08月 |
Partnered with NEC on use of facial recognition system in multiple-dwelling complexes |
| 2022年09月 |
Awarded the Minister of the Environment Award at the 5th EcoPro Awards |
| 2022年09月 |
“White Paper on Men’s Childcare Leave 2022” announced |
| 2022年09月 |
Trip Base Michi-no-Eki project awarded the 14th Japan Tourism Agency Commissioner Award |
| 2022年09月 |
Acquired Maruhon Inc. as a subsidiary |
| 2022年10月 |
Placed first in the Securities Analysts Association of Japan's 2022 Awards for Excellence in Corporate Disclosure for the second consecutive year |
| 2022年11月 |
Received Rainbow Certification rating in the PRIDE Index 2022 |
| 2022年11月 |
Placed first in the WEPs Awards 2022 |
| 2022年11月 |
Awarded the 15th Parenting Award |
| 2022年11月 |
Launched joint research project with the University of Tokyo on biodiversity and health |
| 2022年11月 |
Collaboration with the Organization for Landscape and Urban Green Infrastructure on urban corporate green space biodiversity assessment |
| 2022年12月 |
Selected as a CDP’s 2022 Climate Change and Forests A List Company |
| 2022年12月 |
Awarded Chairman’s Prize in the Energy Conservation Best Practices at Workplaces category of the Energy Conservation Center Japan’s 2022 Energy Conservation Grand Prize |
| 2023年01月 |
Launched +e PROJECT with Nissan to promote EVs in multiple-dwelling complexes |
| 2023年01月 |
Launched Sekisui House Community Art Exhibition, a project for exhibiting artworks by people with disabilities on construction site temporary fencing |
