Hitachi and Hitachi Information and Telecommunications Engineering Assigned Patent

Hitachi Ltd., Tokyo, Japan, and Hitachi Information and Telecommunications Engineering Ltd., Kanagawa, Japan, has been assigned a patent (11,210,214) developed by Ogawa, Junji, Tokyo, Japa, and Homma, Shigeo, Yokohama, Japan, for “storage system and compression method of storing compressed data from storage controller physical address space to logical and physical address space of nonvolatile memory.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage system including a storage controller for compressing a data from a host and a plurality of nonvolatile memory drives for writing the compressed data. The storage controller provides the host with a first logical address space as a logical storage area and includes a plurality of first physical address spaces corresponding to the first logical address space and manages storage areas of the plurality of nonvolatile memory drives. Each of the plurality of nonvolatile memory drives includes a second physical address space that manages a physical storage area of the nonvolatile memory and a second logical address space that corresponds to the second physical address space and to each of the plurality of first physical address spaces. The second logical address spaces and the first logical address space are managed with a common size and a common management size, and leading addresses are aligned with the management size.”

The patent application was filed on September 13, 2019 (16/570,143).