| June, 1964 |
Established Head Office in Takaracho, Chuo-ku, Tokyo |
| October, 1969 |
Established Osaka Sales Office in Nishi-ku, Osaka |
| May, 1973 |
Head Office moved to Toranomon, Minato-ku, Tokyo |
| September, 1976 |
Established Nagoya Sales Office in Naka-ku, Nagoya |
| July, 1988 |
Head Office moved to Shimomaruko, Ota-ku, Tokyo with the completion of the building |
| May, 2001 |
Established YK MICRO Co.,Ltd. in Hong Kong |
| October, 2003 |
Merged with Suntech Co.,Ltd. |
| March, 2006 |
Obtained Eco Action 21 Certification |
| September, 2013 |
Established THAI MICRO Co.,Ltd. in Bangkok |
| September, 2013 |
Held 50th anniversary appreciation party |
| October, 2013 |
Yuji Kubo appointed as Chairman of the Board
Hiroshi Kubo appointed as CEO
Takashi Kubo appointed as Managing Director
|
| May, 2015 |
Established YK MICRO (SHENZHEN) Co.,Ltd. in Shenzhen |
| 2018 |
Acquired ISO 9001 certification (THAI MICRO) by UKAS |
| 2018 |
Thailand factory acquired ITC(International Trading Center) certification |
| February, 2019 |
Shinji Onuki appointed as Director |
| February, 2023 |
Established MICRO THANG LONG CO.,LTD in Hanoi |
| November, 2023 |
Established MICRO THANG LONG CO.,LTD in Bac Ninh |
| January, 2025 |
Yuji Kubo resigned as President and CEO, assumed the position of Chairman |
| February, 2025 |
Takashi Shimode was appointed as Director |