| 1890 |
Opened Hashimoto Shop in Kanda Iwamotocho in 1890 |
| 1894 |
First Sino-Japanese War |
| 1897 |
Implementation of the Gold Standard |
| 1900 |
Hemat Steel Works opened in 1900 |
| 1902 |
Anglo-Japanese Alliance |
| 1903 |
Later the first Waseda-Keio University baseball game in the Tokyo Six Universities League |
| 1904 |
Russo-Japanese War |
| 1905 |
Portsmouth Treaty: 1905: Main products include pipe fittings and valves: Pump imports from Germany: 1908: Development of 'Hashimoto-style Waterworks Fittings' |
| 1910 |
Annexation of Korea: 1910 |
| 1914 |
World War I: Taisho era: Hashimoto: Masao: Jiro: moved store to Nihonbashi Kodenmacho in 1915: Second son Masajiro took over management |
| 1920 |
Joined the League of Nations: Taisho era: 1920: Hashimoto: Masao: Jiro |
| 1923 |
Great Kanto Earthquake : '24 : Renamed to Hashimoto Pipe Shop |
| 1925 |
Universal Suffrage Law, Peace Preservation Law : Showa : '26 : Release of 'Hashimoto's Ratchet-Style Strong Lion' and publication of 'Hashimoto's Business Law', paving the way for sales via communication |
| 1927 |
Tokyo Subway Opening : '27 : Completion of Hashimoto Pipe Shop's new store |
| 1930 |
Manchurian Incident : 1930 |
| 1935 |
May 15 Incident : '35 : Manufacturing and selling HAT branded products : attaching communication abbreviations by product category |
| 1937 |
Sino-Japanese War : '37 : Start of exports to China : Hashi : Hon : Tatsu : San : '38 : Reorganized into Hashimoto Shoten Co., Ltd. : '39 : 'Hashimoto's Business Law' suspended publication : Hashimoto Manufacturing Co., Ltd. established |
| 1940 |
Pacific War : 1940 : '44 : Major fire around headquarters caused by air raids, but headquarters was protected by initial fire extinguishing |
| 1945 |
Dissolution of Zaibatsu |
| 1946 |
Enactment of Japanese Constitution, Labor Reform |
| 1947 |
Farmland Reform : '47 : Establishment of Hashimoto Tatsuzo Shoten (now Hashimoto Sangyo Co., Ltd.) |
| 1948 |
Capital increased to 1 million yen : Hashimoto Masao appointed as President and CEO |
| 1950 |
Implementation of Nine Principles of Economic Stability |
| 1960 |
Income Doubling Plan : 1960 : '61 : Introduction of computers (electronic calculators) for business rationalization : '63 : Completion of Fukagawa Warehouse |
| 1964 |
Tokyo Olympics : '64 : Issuance of Hashimoto Report : '67 : Issuance of sales materials |
| 1970 |
Japan Airlines Yodogō hijacking incident : 1970 : Renamed to Hashimoto Sōgyō Co., Ltd., built headquarters building |
| 1980 |
Nintendo Famicom released : 1980 |
| 1989 |
Consumption tax 3% introduced : '89 : Start of construction equipment seminars |
| 1990 |
Masao Hashimoto appointed as President and Chairman : '90 : Total volume regulation of real estate loans |
| 1997-11 |
Public listing in November 1997 : Transfer of Tokyo Delivery Center to Shinonome |
| 2000 |
Sogo Civil Rehabilitation Law application : 2000 |
| 2002 |
Acquisition of shares of Dainichi Koki Co., Ltd.: Over-the-counter registration with the Japan Securities Dealers Association |
| 2003 |
Establishment of Japan Post Public Corporation: 10,000 visitors to Mirai City (Tokyo Big Sight): '04: Listing on JASDAQ Securities Exchange: The HAT Association renamed to 'Mirai Association' |
| 2008 |
U.S. Lehman Shock: '08: Appreciation letter from the All Japan Management Federation for the Skills Olympics: Held an environmental materials proposal meeting |
| 2010 |
JAL utilizes Corporate Rehabilitation Support Organization: 2010: '12: Acquired Eco-Stage 3 certification |
| 2013 |
Published company history 'Why did we become a long-established pipe materials trading company?' by Diamond Inc.: Wakamatsu Bussan Co., Ltd. formed a group: '13: Tokyo Olympics and Paralympics decided |
| 2016 |
Rio Olympics held: '16: Transitioned to a holding company structure and changed the company name to Hashimoto Sogyo Holdings Co., Ltd. |
| 2019 |
Tokyo Olympics held: '19: Acquired 'Gold' certification as a health-conscious company: Yuka Yoshida appointed as the first female director |
| 2020 |
Outbreak of COVID-19: 2020: Men's team won first place in the Japan Tennis League, women's team placed third: Mirai Logistics Co., Ltd. formed a group: Established a local subsidiary in Thailand |
| 2021 |
Tokyo Olympics |
| 2022 |
Start of Russian-Ukrainian invasion: '22: FIFA World Cup held: Transitioned to the Tokyo Stock Exchange Prime Market: Hashimoto School celebrated its 100th anniversary: Acquired 'DX Certification' |
| 2023 |
COVID-19 moved to Category 5: '23: WBC held: Joined San'in Sekisui Trading Co., Ltd. Group: Runners-up in both men's and women's categories in the Japan Tennis League: Acquired Health Management Excellent Corporation 2023 |
| 2024 |
Noto Peninsula Earthquake: '24: Nikkei Average hits record high: Women's champion in Japan Tennis League: Acquired Health Management Excellent Corporation 2024 |
| 2025 |
Inauguration of U.S. President Trump: '25: Women's champion in Japan Tennis League: Acquired Health Management Excellent Corporation 2025 |
| 2026 |
Tensions in the Middle East: '26: Women's champion in Japan Tennis League: Acquired Health Management Excellent Corporation 2026: Opened Nagasaki Sales Office: Opened Tottori Branch Office: Established Mirai Unites Co., Ltd. |