USB System Architecture and the Handbook of Flash Memory Technology published in 1997 and such combination is obvious to those skilled in the art." Īlthough the company claims to have invented the first USB flash drive in 1999 and submitted a Chinese patent application for the device the same year, the patent was granted and the product launched only in 2002. At least 14 companies have since requested invalidation of this patent, as " has been anticipated by the combination of two references, i.e. On July 24, 2002, Netac was granted its first patent, for an electronic flash memory external storage method and device. Products Īs of 2021, Netac's product line mainly consists of solid-state drive, memory module, SD cards, USB flash drives, external hard disk drives, and peripherals. 5 Shenzhen Coocaa Network Technology Co Ltdįounded on 29 April 1999 by Guoshun Frank Deng and Cheng Xiaohua, the two worked for a year developing their first product, an eight megabyte flash memory drive that Deng christened the U disk.
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