| 1969-08 |
Established Asaka Research Industrial Co., Ltd. in Tamura-cho, Koriyama City, Fukushima Prefecture, to manufacture ferrocyanide solution and recover copper powder from printed circuit board waste and etching waste. |
| 1971-10 |
Developed gold recovery technology and started precious metal recovery business from printed circuit boards. |
| 1973-04 |
Established Asaka, Matteia Material, and Reduce Co., Ltd. to manufacture and sell precious metal plating solutions (with business withdrawal in June 1981). |
| 1979-08 |
Separated the transportation division and established Fukushima Kōun Co., Ltd. |
| 1981-06 |
Renamed Asaka, Matteia Material, and Reduce Co., Ltd. to Asaka MR Co., Ltd. |
| 1981-08 |
Separated the ferrocyanide solution manufacturing and copper powder recovery from printed circuit board waste and etching waste division and established Asaka Chemical Co., Ltd. |
| 1985-03 |
Transferred business rights to Asaka Research Industrial Co., Ltd. and adopted a division system for Asaka Chemical Co., Ltd. and Asaka MR Co., Ltd. due to business development and rationalization. |
| 1985-03 |
Transferred business rights to Asaka Research Industrial Co., Ltd. and simultaneously adopted a division system for Asaka Chemical Co., Ltd. and Asaka MR Co., Ltd. due to business development and rationalization. |
| 1985-04 |
Renamed Fukushima Kōun Co., Ltd. to Asaka Kōun Co., Ltd. |
| 1985-11 |
Started development and sales of microcomputer application systems. |
| 1992-03 |
Established the Tomikuni factory in Tomikuni-cho, Koriyama City, Fukushima Prefecture. |
| 1993-04 |
Separated the microcomputer application system development and sales business to strengthen organizational capability and established Asaka MR Co., Ltd. |
| 1995-10 |
Started internet provider business (withdrawn in March 2005). |
| 1995-11 |
Entered the cleaning field (cleaning of quartz oscillators, anti-adhesion plates and masks, and precision electronic component cleaning). |
| 2013-07 |
Listed on the Tokyo Stock Exchange JASDAQ (Standard) following the merger of the Osaka Stock Exchange and the Tokyo Stock Exchange. |
| 2014-08 |
Established the Iwaki Factory and Production Technology Development Center in Iwaki City, Fukushima Prefecture, as a research and development base for rare metal and rare earth recycling. |
| 2015-01 |
To ensure that we do not procure raw materials that serve as a funding source or profit for armed groups engaged in inhumane acts, the headquarters factory, operating as a gold refining plant that does not use conflict minerals, obtained CFS (now RMAP) certification. |
| 2017-04 |
To ensure that we do not procure raw materials that serve as a funding source or profit for armed groups engaged in inhumane acts, the Iwaki factory, operating as a tantalum refining plant that does not use conflict minerals, obtained CFS (now RMAP) certification. |
| 2019-05 |
Fully entered the lithium-ion battery (LiB) recycling business. |
| 2021-10 |
Moved the Kyushu branch office to Kokura, Kitakyushu City. |
| 2022-04 |
Listed on the Standard market following a change in the Tokyo Stock Exchange listing category. |
| 2022-05 |
Completed the First Headquarters Building on the same site as the headquarters office (in Koriyama City, Fukushima Prefecture) and renamed the headquarters office to the Second Headquarters Building. |