"Six Sigma" yakanyoreswa muna Chikumi 11, 1991 seUS Service Mark 1,647,704. Muna 2005 Motorola yakapa mari inodarika US $ 17 bhiriyoni mukuchengetedza Six Sigma. Vamwe vekutanga kutora Six Sigma vanosanganisira Honeywell neGeneral Electric, uko Jack Welch akatanga nzira. Pakupera kwema1990, zvikamu zviviri kubva muzvitatu zvezviuru zvemasangano eFortune 500 zvainge zvatanga matanho eSix Sigma nechinangwa chekudzikisa mutengo uye kugadzirisa mhando. Mumakore achangopfuura, vamwe varapi vakabatanidza pfungwa dzeSix Sigma ne lean manufacturing kugadzira nzira inonzi Lean Six Sigma.
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