The Japanese tech giant has departed the business after 35 years after handing over its minority stake in PCs to Sharp.
In 2018, the firm sold an 80.1 percent stake to Sharp for $36 million, and Sharp re-branded the division as Dynabook.
Sharp then bought the remaining 19.1 percent of shares back in June, which was confirmed to be complete this month.
In a statement Toshiba said: "As a result of this transfer, Dynabook has become a wholly owned subsidiary of Sharp."
Toshiba made its debut with their first PC laptop in 1985 with the T1100.
Once a front-runner in the laptop market, sales declined from a peak of 17.7 million PCs sold in 2011 to around 1.4 million in 2017.
The company now focuses on energy and retail.