NEO Semiconductor is a high-tech company focused on advanced memory technology development, including 3D NAND flash memory, DRAM, and emerging memories. The company was founded in 2012 by Andy Hsu and a team in San Jose, California. The company currently owns 20 U.S. patents in memory design architectures and cell structures. In 2018, the company made a breakthrough in the world's fastest 3D NAND architecture named X-NAND. X-NAND can achieve SLC’s speed with TLC and QLC densities. This provides a high-speed, low-cost solution for 5G, AI, and many applications. The company presented X-NAND architecture in Flash Memory Summit 2020 conference and won the Best of Show Award for 'Most Innovative Flash Memory Startup'.