|November1958||Hirota Seisakusho Limited was established.
Started production of Fixed-Resistors as a contract manufacturer of Fujitsu Limited Suzaka Works.
|April1965||Started production of Magnetic Disc Storage Equipment Parts as a contract manufacturer of Fujitsu Limited Nagano Works.|
|September1978||Newly established the Electronics engineering / manufacturing department.|
|November1986||Built the Matsukawa Works in Matsukawa Rinkan Industrial Complex.
Electronics manufacturing department Moved to Matsukawa Works.
|November1989||Built a workshop in the Matsukawa Works.|
|April1996||Newly built a clean room in the Head Factory.|
|May||Newly built an office building in the Matsukawa Works.|
|September2001||Certified of ISO9001 1994 version.|
|May2003||Newly established EMS department. (Electoronics manufacturing service.)|
|September||Certified of ISO9001 2000 version.|
|April2005||Certified of “Eco Action21”.|
|May||Started Assembly of HDD Test Equipments in Thailand.
Contract Factory: Nissin Electric(Thailand) Co., Ltd.
|November2007||Started the Solar Power Generation for inhouse use.|
|December||Started sales of our own developed HDD Duplicator.
|December2008||Started sales of our own developed HDD/SSD Compact Size Evaluation Tester.
(SMART TESTER series.)
|September2009||Certified of ISO9001 2008 version.|
|May2010||Started sales of SSD Burn-in Tester.|
|January2011||Started sales of Constant Temperature and Humidity Test Equipment of HDD/SSD.|
|January2012||Started sales of Servo Writer Equipment.|
|February2016||Integrated the Head Factory in the Matsukawa Works.
Built a new Engineering Building in the Head Factory.
|August2018||Certified of ISO9001 2015 version.|
|October2019||Registered as a SDGs Promotion Company of Nagano Prefecture.|
|November2020||Built a new Experiment Building in the Head Factory.|
|January2023||Completed renovation of the interior in the Head Factory Engineering Building.|