ALEXANDRIA, Va., Sept. 15 -- United States Patent no. RE51,032, issued on Sept. 15, was assigned to KIOXIA Corp. (Tokyo).

"Memory system having high data transfer efficiency and host controller" was invented by Akihisa Fujimoto (Yamato, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, the host controller includes a register set to issue command, and a direct memory access (DMA) unit and accesses a system memory and a device. First, second, third and fourth descriptors are stored in the system memory. The first descriptor includes a set of a plurality of pointers indicating a plurality of second descriptors. Each of the second descriptors comprises the third descriptor and fou...