Korg Corporation was founded in 1962 by Tsutomu Kato and Tadashi Osanai, in Japan and was originally known as Keio Electronic Laboratories. Keio's organ products were successful throughout the late 1960s and early 1970s but Kato decided to use the organ technology to build a keyboard for the niche synthesizer market. Keio's first synthesizer, the MiniKorg, was thus released in 1973. Following on the success of the MiniKorg, Keio released a number of budget-minded synthesizers throughout the 1970s and 1980s under the name Korg.

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