| 1948 |
1948 Hagiwara Tadaomi founded 'Hagiwara Electric Industry Co.' as a sole proprietorship in Nakamura Ward, Nagoya City |
| 1948 |
1948 Hagiwara Tadaomi founded 'Hagiwara Electric Industry Co.' as a sole proprietorship in Nakamura Ward, Nagoya City |
| 1949 |
1949 Delivery of loudspeakers for in-stadium broadcasting at Chunichi Stadium (now Nagoya Baseball Stadium) |
| 1949 |
1949 Development of nurse call devices for hospitals |
| 1949 |
1949 Installation of wireless communication devices on patrol cars, fire command vehicles, etc. |
| 1949 |
Delivery of loudspeakers for in-stadium broadcasting at Chunichi Stadium (now Nagoya Baseball Stadium) |
| 1949 |
Development of nurse call devices for hospitals |
| 1949 |
Installation of wireless communication devices on patrol cars, fire command vehicles, etc. |
| 1954 |
1954 Installation work for Nagoya TV Tower antenna |
| 1954 |
Installation work for Nagoya TV Tower antenna |
| 1956 |
1956 Concluded a sales agency contract with Nippon Electric Co., Ltd. regarding electronic equipment |
| 1956 |
Concluded a sales agency contract with Nippon Electric Co., Ltd. regarding electronic equipment |
| 1956-08 |
Concluded a sales agency agreement with NEC Corporation regarding electronic devices. |
| 1957 |
1957 Construction and installation of in-station broadcasting equipment for the Nagoya-Sakae subway line |
| 1957 |
Construction and installation of in-station broadcasting equipment for the Nagoya-Sakae subway line |
| 1958 |
1958 Established Hagiwara Electric Industry Co., with Tadaomi Hagiwara as president |
| 1958 |
Founded Hagiwara Electric Industry Co., Ltd. President: Tadashi Hagiwara |
| 1959 |
Established a new electronic parts sales division. |
| 1959-04 |
Concluded a sales agency agreement with NEC Corporation regarding electronic components and established a wholesale division to sell electronic components. |
| 1960 |
Started trading with Toyota Motor Corporation (now Toyota Motor Corporation). |
| 1960 |
Started trading with Denso Corporation (now Denso Corporation). |
| 1961 |
Developed Synchrograph. |
| 1961 |
Entered the manufacturer business. |
| 1965-02 |
Changed company name to Hagiwara Electric Co., Ltd. |
| 1966-07 |
Established Tokyo Branch (now Tokyo Office). |
| 1970-02 |
Completed Nagoya Factory in Nakamura Ward, Nagoya City. |
| 1972 |
Enactment of the U.S. Masking Law (exhaust gas regulation) |
| 1973-08 |
Participated in capital with Nagoya Small and Medium Enterprise Investment & Development Co., Ltd. |
| 1977-06 |
NEC Bit-INN Nagoya opened. |
| 1989 |
Continuing to strengthen management system and move forward from the first year of Heisei era. |
| 1989 |
Yoshiaki Hagiwara appointed as president. |
| 1989 |
Held the 40th Anniversary Forum "Yutori and Urooi Nagoya". |
| 1989 |
Established the first overseas local subsidiary in Singapore. |
| 1989 |
米国現地法人設立 |
| 1989 |
中華人民共和国(上海)現地法人設立 |
| 1989 |
韓国現地法人設立 |
| 1989 |
Established a local subsidiary in Germany. |
| 1989 |
Opened a data center. |
| 1989 |
Established a local subsidiary in Thailand. |
| 1989 |
Designated as First Section of Tokyo Stock Exchange and Nagoya Stock Exchange. |
| 1995 |
Went public (Over-the-counter registration). |
| 1998-08 |
Miyoshi Business Office opened. |
| 2012-05 |
Data center opened. |
| 2014-03 |
Changed market to Tokyo Stock Exchange Second Section. : Listed on Nagoya Stock Exchange Second Section. |
| 2014-11 |
Designated on Tokyo Stock Exchange First Section and : Nagoya Stock Exchange First Section. |
| 2016-01 |
Kansai Branch opened. |
| 2018-04 |
Renamed the company to Hagiwara Electric Holdings Inc. and transitioned to a holding company structure. |
| 2022-04 |
Designated on Tokyo Stock Exchange Prime Market and : Nagoya Stock Exchange Premier Market. |
| 2022-09 |
Acquired Osaki Engineering Inc. and changed the company name to Hagiwara Engineering Inc. |
| 2023-12 |
Hagiwara Innovation Center TOKYO opened. |
| 2024-07 |
Hagiwara Techno Solutions Inc. acquired BELLADATI PTE.LTD. as a subsidiary. |
| 2026-04 |
Merged with Sato Electric Co., Ltd. and established MIRAINI Holdings Inc. |