Company History

1958 November Hirota Seisakusho Limited was established.
Started production of Fixed-Resistors as a contract manufacturer of Fujitsu Limited Suzaka Works
1965 April Started production of Magnetic Disc Storage Equipment Parts as a contract manufacturer of Fujitsu Limited Nagano Works
1978 September Newly established the Electronics engineering / manufacturing department
1986 November Built the Matsukawa Works in Matsukawa Rinkan Industrial Complex
Electronics manufacturing department Moved to Matsukawa Works
1989 November Built a workshop in the Matsukawa Works
1996 April Newly built a clean room in the Head Factory
May Newly built an office building in the Matsukawa Works
2001 September Certified of ISO9001 1994 version
2003 May Newly established EMS department(Electoronics manufacturing service)
September Certified of ISO9001 2000 version
2005 April Certified of Eco Action21
May Started Assembly of HDD Test Equipments in Thailand
2007 November Started the Solar Power Generation for inhouse use
December Started sales of our own developed HDD Duplicator
2008 December Started sales of our own developed HDD/SSD Compact Size Evaluation Tester
2009 September Certified of ISO9001 2008 version
2010 May Started sales of SSD Burn-in Tester
2011 January Started sales of Constant Temperature and Humidity Test Equipment of HDD/SSD
2012 January Started sales of Servo Writer Equipment
2016 February Integrated the Head Factory in the Matsukawa Works
Built a new Engineering Building in the Head Factory
2018 August Certified of ISO9001 2015 version
2019 October Registered as a SDGs Promotion Company of Nagano Prefecture
2020 November Built a new Experiment Building in the Head Factory