Company Information |Company History |ACCESS|Environment, Quality policy
Company History

1971 Aug.Incorporated as Stack Electronics Co., Ltd. with capital of JPY600,000.
| 1971 Jan. | Founded Stack Electronics. |

| 1977 Apr. | Built the head office and factory building at Kodaira, Tokyo. to integrate operations there. |
| 1979 Nov. | Started export & import business. |
| 1980 Jun. | Built the new factory in Akishima, Tokyo. |
| 1983 Jun. | Established a subsidiary, Stack Seiko, Inc. |

| 1984 May. | Built the new head office building at Akishima next to the factory. |
| 1984 Dec. | Increased capital to JPY30,000,000. Issued convertible corporate bonds from Tokyo Small Business Investment Co., Ltd. Established a subsidiary, Stack Giken, Ltd. |
| 1989 Apr. | Established CUI Stack Inc, as joint venture in Beaverton, Oregon, U.S.A. (Stack-Novus L.L.C.) |
| 1989 Aug. | Built an R&D building and expanded the factory. |
| 1990 Feb. | Started manufacture of electro-optical products. |
| 1993 Apr. | Entered into the communications industry market. |

| 1997 Mar. | Built a new administrative office building. |
| 1997 Sep. | Obtained ISO9001 certificate. |
| 1998 Mar. | Increased capital to JPY60,000,000. |
| 2000 Mar. | Awarded the R&D subsidy for creation of new industry, by Ministry of Economy, Trade and Industry (METI) |
| 2003 Mar. | Absorbed Stack Giken and increased capital to JPY70,000,000. |
| 2003 Jul. | Obtained ISO9001:2000 certificate. |
| 2003 Sep. | The company was privileged with the great honor of the visit by The Emperor. |
| 2003 Nov. | Obtained ISO14001 certificate. (Integrated ISO9001 and 14001 manuals) |
| 2004 Aug. | Awarded by METI the R&D subsidy for creation of new industry. |
| 2005 Dec. | Obtained ISO14001:2004 certificate. |
| 2006 Mar. | METI selected Stack as one of the 300 Dynamic small-& medium-sized enterprises in Japan. |
| 2007 Mar. | Opened Internet shopping site ‘kosyuha.com’. |
| 2007 Sep. | Acquired qualification of general public bildding for all the government agencies. |
| 2008 Dec. | Obtained IMS (Integrated Management System) certificate. |
| 2010 Feb. | Accredited by METI as a new business development project between different field cooperation. |
| 2010 Oct. | Awarded by METI the R&D subsidy for creation of new industry. |
| 2011 Apr. | Awarded “The 23rd Small & Medium Enterprise Excellence New Technology/New Product Award (Leo-Probe)” by Resona Foundation for Small and Medium Enterprise Promotion and Nikkan Kogyo Shimbun. |
| 2011 Nov. | Awarded “TAMA Environmental Manufacturing Grand Prize (Power Saving)”by director of Tokyo Industry & Labor Bureau. |
| 2012 Aug. | HokkaidoTechnical Center moved to Eniwa city from Sapporo. |
| 2013 Nov. | Awarded “TAMA brand award” at the 7^th Industry, Government, Academic, and Bank Summit. |
| 2015 Oct. | Awarded “Courageous Executive Grand Prize”by Tokyo Chamber of Commerce. |
| 2016 Oct. | Acquired ISO Premium Stage Certification (integrated with ISO 9001/14001). |
| 2017 Dec. | METI selected Stack as one of the regional future traction companies in Japan. |
| 2018 Jun. | Integrated Stack Seiko. |
