| TKR Headquarters | TKR Group | |
| 1954 | Started operation by mainly sheet metal press processing in Ota Ward, Tokyo. Established Takara Seisakusho Co., Ltd. |
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| 1964 | Started manufacturing and sales of slide switches and rotary switches. | |
| 1967 | Developed eight track tape and home stereo, and started manufacturing them. | |
| 1968 | 3 divisions (Press, Switch, and Car audio) established | |
| 1970 | Takara Electronic Industry Co., Ltd. established (Ibaraki Prefecture) | |
| 1972 | Tohoku Takara Seisakusho Co., Ltd. established (Iwate Prefecture) | |
| 1973 | Developed car audio system with AM/FM, started manufacturing and sales. | |
| 1974 | Started production of switches and car audio systems in Taiwan. Taiwan Takara Co., Ltd. established in Kaohsiung City, Taiwan |
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| 1975 | Developed lever switches for radio cassette recorders and audio systems. | |
| 1976 | Introduced a press line. | Production of presses/switches started in Minori Plant (Ibaraki) |
| 1978 | Singapore Takara Co. Ltd. established | |
| 1981 | Started substrate packaging processing, developed keyboard switches. | Iwate TKR Co., Ltd. established (Iwate Prefecture) |
| 1986 | Started production of operation panel for copy machine. | Techno Minori Co., Ltd. established (Ibaraki Prefecture) |
| 1988 | Developed the world's smallest switch, starting manufacturing and selling. | TKR Malaysia Co., Ltd. established |
| 1991 | Changed the trade name to "TKR CORPORATION" | |
| 1994 | TKR Hong Kong was established and commenced contracted processing for China.
Started production of switches in China. Started operation of the China Factory (Dongguan City, Guangdong province). |
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| 1995 | Started production of pressed articles and molded products at the China Factory. | |
| 1996 | Substrate packaging division at the China Factory established | |
| 1999 | Acquired ISO 14001 certification. | Exceeded 10 million monthly production of switches in the China Factory. |
| 2000 | Car audio monthly production exceeded 300,000 in TKR Malaysia. | |
| 2001 | Acquired QS9000 certification. | Started production of genuine car audio systems in TKR Malaysia. |
| 2002 | Started receiving orders for digital video camera units. | |
| 2006 | Acquired TS16949 certification. | |
| 2009 | Started production of tape streamers at the China Factory. | |
| 2010 | Acquired full ownership of the China Factory and renamed as TKR Huanan Electronics (Dongguan) Co., Ltd. | |
| 2011 | Business integration with Nippon Manufacturing Service Co., Ltd. | |
| 2013 | Acquired power supply, transformer, tuner, and TV board businesses from Hitachi Media Electronics Co., Ltd. and started operation. | TKR Mizusawa Plant established |
| 2014 | Acquired general power supply business from Panasonic Corporation. | Iwate TKR Co., Ltd moved to Mizusawa Plant |
| 2015 | Representative Office in the Philippines established | |
| 2016 | TKR Manufacturing Philippines Inc. established Hatsudai Office established |
TKR Manufacturing Japan Corporation established |
| 2017 | nms Holdings, Corporation established | |
| 2018 | TKR Manufacturing Vietnam Co., Ltd. established. TKR USA Inc. established |
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| 2019 | Acquired functions and businesses of Sony Service and Operations of Americas (hereinafter “SSOA”), an operation division of Sony Electronics Inc., and Sony Nuevo Laredo, S.A. de C.V., an SSOA production base in Mexico, and started business as TKR USA Inc. and TKR DE MEXICO S.A de C.V. | |
| 2021 | Absorbed and merged TKR Manufacturing Japan Corporation Acquired 3D printer SPACE ART® business |