| 1931-04 |
Opened Takagi Lacquerware Shop as a sole proprietorship. |
| 1940-03 |
Successfully developed lacquerware using synthetic resin (bakelite) and began production. |
| 1946-03 |
Renamed to Takagi Manufacturing. |
| 1948-06 |
Built headquarters factory in Nakanawa, Takaoka City. |
| 1948-06 |
Constructed the headquarters factory at 261 Nakagawa, Takaoka City. |
| 1953-05 |
Established Nagoya branch office as an out-of-Toyama location. |
| 1953-05 |
Opened the Nagoya branch as the first out-of-prefecture location outside Toyama Prefecture. |
| 1957-12 |
Established Osaka branch office (now Osaka branch). |
| 1959-04 |
Established Tokyo branch office (now Tokyo branch). |
| 1959-08 |
Reorganized as a corporation and established Takagi Manufacturing Co., Ltd. |
| 1959-08 |
Reorganized as a corporation and established Takagi Seisakusho Co., Ltd. |
| 1964-05 |
Established Hamamatsu sales office (now Hamamatsu branch). |
| 1964-08 |
Moved headquarters to Kawaguchi, Shinminato City (now Shimizu City). Built headquarters factory (now Shinminato factory). |
| 1964-08 |
Established headquarters sales department (now Hokuriku branch). |
| 1964-08 |
Moved headquarters to 800 Kawaguchi, Shinminato City (now Shimizu City). Constructed the headquarters factory (now Shinminato Factory). |
| 1965-07 |
Established Takagi Solid Co., Ltd. (renamed to Takagi Seiki Co., Ltd. in 1973, and to Himim Seiko Co., Ltd. in 1987). |
| 1969-10 |
Established Takagi Solid Co., Ltd. headquarters factory in Himim City, Toyama Prefecture (now Himim factory). |
| 1969-10 |
Established Hamamatsu factory in Ryuo Town, Iwata District, Shizuoka Prefecture (now Iwata City). |
| 1972-10 |
Established Tohoku Takagi Co., Ltd. (renamed to Tohoku Seiko Co., Ltd. in 1988). |
| 1974-06 |
Established Takagi Chemical Co., Ltd. (renamed to Fukumitsu Seiko Co., Ltd. in 1987). |
| 1982-03 |
Established T.K. Chemical Co., Ltd. |
| 1986-04 |
The company name was changed to Takagi Seiko Co., Ltd. and the headquarters was moved to Nizuka, Takaoka City. |
| 1986-04 |
Changed company name to Takagi Seiko Co., Ltd. and moved headquarters to 3-322 Nizuka, Takaoka City. |
| 1993-03 |
Takagi Seiko Co., Ltd. absorbed and merged with Himi Seiko Co., Ltd., Fukumi Seiko Co., Ltd., and Tohoku Seiko Co., Ltd. The Himi, Fukumi, and Tohoku factories began operation. |
| 1993-03 |
Absorbed and merged with Himi Seiko Co., Ltd., Fukumitsu Seiko Co., Ltd., and Tohoku Seiko Co., Ltd., operating as Himi Factory, Fukumitsu Factory, and Tohoku Factory respectively. |
| 1993-09 |
Takagi Seiko Co., Ltd. absorbed and merged with T.K. Chemical Co., Ltd. The Hamamatsu TK factory (now Hamamatsu Factory (Hamamatsu)) began operation. |
| 1993-11 |
Trinity Co., Ltd. (now a consolidated subsidiary) was established. |
| 1995-02 |
Takagi Seiko (Hong Kong) Co., Ltd., a foreign subsidiary, was established. |
| 1995-02 |
Established overseas subsidiary Takagi Seiko (Hong Kong) Ltd. (now a consolidated subsidiary). |
| 1995-12 |
A joint venture, Foshan Nanhai Huada Takagi Mould Co., Ltd., was established (converted to a joint venture in 2000 and renamed in 2004). |
| 1995-12 |
Established joint venture Foshan Nanhai Huada Takagi Mould Co., Ltd. (changed to a joint venture in 2000, renamed to Foshan Nanhai Huada Takagi Mould Co., Ltd. in 2004, now a consolidated subsidiary). |
| 2001-01 |
A joint venture, Takawa Precision Engineering (Shanghai) Co., Ltd., was established. |
| 2001-01 |
Established joint venture Takawa Seiko (Shanghai) Co., Ltd. (now a consolidated subsidiary). |
| 2002-06 |
The Tochigi branch office (now Tochigi branch) was opened. |
| 2002-12 |
A joint venture, Dalian Daxian Takagi Mould Co., Ltd., was established. |
| 2002-12 |
Established joint venture Dalian Daxian Takagi Mould Co., Ltd. (now an equity method affiliate). |
| 2003-01 |
Trinity Co., Ltd. moved to Nizuka, Takaoka City. |
| 2003-01 |
Trinity Co., Ltd. moved to Nizuka, Takaoka City (within headquarters premises). |
| 2003-10 |
A joint venture, PT Takagi Salimulti Utama, was established. |
| 2003-10 |
Established joint venture PT Takagi Salimulti Utama (now a consolidated subsidiary). |
| 2005-02 |
A joint venture, Takagi Automotive Parts (Foshan) Co., Ltd., was established. |
| 2005-02 |
Established joint venture Takagi Automotive Parts (Foshan) Co., Ltd. (now a consolidated subsidiary). |
| 2005-03 |
Takagi Seiko Co., Ltd. became a subsidiary of Meiwa Apex Co., Ltd. through a joint acquisition of shares. |
| 2005-03 |
Acquired shares jointly to make Meiwa Apex Co., Ltd. (Gunma Prefecture) a subsidiary. |
| 2006-03 |
A joint venture, PT TSC Manufacturing (Indonesia), was established. |
| 2006-03 |
Established joint venture PT TSC Manufacturing (Indonesia). |
| 2006-05 |
A joint venture, Thai Takagi Seiko Company Limited, was established. |
| 2006-05 |
Established joint venture Thai Takagi Seiko Company Limited (now a consolidated subsidiary). |
| 2007-06 |
Listed on the JASDAQ market. |
| 2010-10 |
Meiwa Apex Co., Ltd. was absorbed and merged, operating as the Kanto factory. |
| 2010-10 |
Absorbed Meiwa Apex Co., Ltd. (Gunma Prefecture) and operated as a Kanto factory. |
| 2011-10 |
PT Takagi Salimulti Utama absorbed and merged with PT TSC Manufacturing. |
| 2011-10 |
PT Takagi Salim Multi Utama (Indonesia) absorbed PT TSC Manufacturing (Indonesia). |
| 2014-04 |
Wuhan Takagi Automotive Parts Co., Ltd. was established (renamed Wuhan Takagi Automotive Parts Co., Ltd. in 2016). |
| 2014-04 |
Established Wuhan Ta Jiaqi Automobile Parts Co., Ltd. (renamed Wuhan Takagi Automobile Parts Co., Ltd. in 2016, currently a consolidated subsidiary). |
| 2022-04 |
Moved to the Standard market due to a review of the Tokyo Stock Exchange market classification. |
| 2023-08 |
Signed a technical support agreement with JRG Automotive Industry India for rotary molding technology. |
| 2023-08 |
Signed a technical support agreement for rotational molding with JRG Automotive Industry India (India). |
| 2024-03 |
Signed a production readiness support and technical assistance agreement with Toho Precision Molds Philippines. |
| 2024-03 |
Signed a production preparation support and technical assistance agreement with Tohou Precision Molds Philippines (Philippines). |
| 2024-11 |
Established the joint venture JRG TS Autotech. |
| 2024-11 |
Established a joint venture, JRG TS Autotech (India). |
| 2025-01 |
Signed a technical support agreement for painting with JRG TS Autotech. |
| 2025-01 |
Signed a technical support agreement for painting with JRG TS Autotech (India). |