| August 1985 | Founded in Kuboinari, Iruma City, Saitama. |
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| June 1987 | Reorganized into "StepTechnica Co., Ltd."; its capital was 3 million yen. |
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| February 1990 | Launched MKY28. |
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| August 1990 | Increased its capital to 12 million yen. |
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| April 1994 | Tied with Pionics Co., Ltd. |
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| September 1994 | Awarded Japanese patent for MKY28. |
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| August 1995 | Increased its capital to 22 million yen. |
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| February 1996 | Launched MKY33 and MKY34. |
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| March 1997 | We won an honorable mention in "the 9th excellent new technology/product award for small and medium enterprise". |
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| February 1996 | Launched MKY35. |
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| December 1998 | Awarded US patent for "Hi-speed Link System". |
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| October 1999 | Awarded Japanese patent for "Hi-speed Link System". |
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| February 2001 | Launched MKY40. |
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| April 2001 | We won the excellence award in "the 13th excellent new technology/product award for small and medium enterprise". |
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| April 2002 | Relocated headquarters to Shimofujisawa, Iruma City, Saitama. |
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| May 2004 | Launched MKY36. |
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| March 2005 | Awarded Japanese patent for "CUnet". |
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| August 2005 | Launched MKY02. |
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| February 2006 | Awarded US patent for "CUnet". |
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| March 2006 | Launched MKY37. |
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| October 2007 | Launched MKY46. |
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| May 2008 | Awarded EU patent for "CUnet". |
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| October 2008 | Launched MKY43. |
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| January 2012 | Launched MKY44-FS00A. |
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| July 2013 | Launched HLSB-36PCIEXP and CUB-43PCIEXP. |
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| August 2013 | Launched MKY44-AD12A and MKY44-AD16B. |
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| September 2013 | Launched MKY44-AD16A and MKY44-IO32A. |
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| September 2013 | Launched CUB44 series. |
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| October 2013 | Launched MKY44-DA16A and MKY44-DA16B. |
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| April 2015 | Launched HLSB-36PCI2. |
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| July 2015 | Launched NFS-HLSC and NFS-CUNET. |
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| November 2016 | Launched HLSB-36USB. |
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| December 2016 | Launched HLSB-36PCI1. |
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| April 2017 | Launched CU-43USB. |
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| September 2017 | Established Niigata office in Chuo-ku, Niigata city, Niigata. |
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| March 2019 | Launched CUB-43PCI1. |
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| January 2020 | Established Kyoto office in Shimogyo-ku, Kyoto city, Kyoto. |
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| August 2020 | Launched MKY44-SPI. |
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| July 2022 | Head office relocated to Higashiyamato City, Tokyo. |
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| March 2025 | Launched CUB-IOLGW8 (IO-Link GateWay) |
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| April 2025 | Launched CUnet/HLS evaluation board (EB series) |
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| August 2025 | Launched MKY49. |
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