US Patent Issued to SK hynix on Sept. 30 for "Memory system" (South Korean Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,184, issued on Sept. 30, was assigned to SK hynix Inc. (Gyeonggi-do, South Korea).

"Memory system" was invented by Woongrae Kim (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory system includes: a normal memory area suitable for storing normal data; a security memory area suitable for storing security data; a first row hammer detection circuit suitable for sampling and counting a portion of rows that are activated in the normal memory area to select first rows that need to be refreshed; and a second row hammer detection circuit suitable for counting all rows that are activated in the security memory area to select se...