“Here’s the story behind it
The subject of who first invented the USB flash drive is contested. Pua Khein-Seng, CEO of Phison Electronics, claims credit for the title and is reportedly recognized locally as the “father of the pendrive.” However, similar claims have emerged from companies in Singapore, China, and elsewhere, reflecting how innovation often arises simultaneously in different parts of the world. Phison is known for designing and manufacturing controllers for NAND flash memory chips.”- techspot.com
Source: techspot.com