Company History
| 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. (Centaurus Series.) |
| 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. |