| 1949-08 |
Established Isuzu Parts Industry Co., Ltd. |
| 1951-03 |
Established Tokyo Brake Industry Co., Ltd. |
| 1956-10 |
Merged Isuzu Parts Industry Co., Ltd. and Tokyo Brake Industry Co., Ltd. to form Tokyo Parts Industry Co., Ltd. |
| 1957-12 |
Built a new factory at 30-17 Hagimachi 3-chome, Ota-ku, Tokyo, and relocated the head office and factory |
| 1963-08 |
Absorbed Daiichi Seiki Co., Ltd. through a merger |
| 1970-09 |
Established Tokyo Seiko Co., Ltd. in Fukushima as a subsidiary |
| 1971-11 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1972-01 |
Relocated headquarters and factory to 1-6-1 Tsukimino, Yamato City, Kanagawa Prefecture |
| 1973-09 |
Established Tsuruoka Brake Co., Ltd. in Yamagata Prefecture as a subsidiary |
| 1983-12 |
Established Tokyo Buhin Rockwell Co., Ltd., a joint venture with Rockwell International Corporation (predecessor of TBR Co., Ltd.) in the USA |
| 1986-02 |
Established TBK Sales Co., Ltd. (currently a consolidated subsidiary) as a wholly owned subsidiary |
| 1990-03 |
Established TBK Krungthep Co., Ltd., a joint venture with CM Industry in Thailand |
| 1990-11 |
TBR Co., Ltd. merged with and absorbed Tsuruoka Brake Co., Ltd. (currently the Tsuruoka Plant) |
| 1995-08 |
Established Full Win Developments Ltd. in Hong Kong as a subsidiary (currently a consolidated subsidiary) |
| 1996-10 |
Established TBK Brake Co., Ltd. (currently TBKK (Thailand) Co., Ltd., a consolidated subsidiary) as a joint venture with CM Industry in Thailand |
| 1998-10 |
Established TBK India Private Ltd., a joint venture with Lubricare in India |
| 1999-05 |
Relocated factory to 304-7 Miyanomae, Kawabe, Tamagawa Village, Ishikawa District, Fukushima Prefecture |
| 1999-06 |
Relocated head office to 4-21-1 Minami-Naruse, Machida City, Tokyo |
| 2005-08 |
中国の長春世立汽車制動零部件有限責任公司との合弁会社 Changchun TBK SHILI Auto Parts Co., Ltd.（現 連結子会社）を設立 |
| 2005-08 |
Established Changchun TBK SHILI Auto Parts Co., Ltd. as a joint venture with Changchun Shili Automobile Brake Parts Co., Ltd. in China (now a consolidated subsidiary) |
| 2019-12 |
子会社として中国にTongchuan TBK Auto Parts Co.,Ltd. (現 連結子会社)を設立 |
| 2019-12 |
Dongguan TBK Co., Ltd.がChang'an TBK Co., Ltd.及びTBK China Co., Ltd.を吸収合併 |
| 2022-04 |
東京証券取引所の市場区分の見直しにより、東京証券取引所の市場第一部からプライム市場に移行 |
| 2023-10 |
東京証券取引所スタンダード市場に移行 |
| 2024-01 |
東京精工株式会社及びティービーアール株式会社を吸収合併 |
