Hitachi Assigned Patent

Hitachi Ltd., Tokyo, Japan, has been assigned a patent (8,898,545 ) developed by Tsunehiro, Takashi, Ebina, Japan, Suzuki, Akifumi, Yokohama, Japan and Ogawa Junji, Sagamihara, Japan, for a “semiconductor storage device and control method of nonvolatile memory “.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A memory controller adds the redundant information that is used to correct an error for each of data of a predetermined length and stores the data into the nonvolatile memory in the case in which data is written to the nonvolatile memory, the memory controller reads data and the redundant information that has been added to the data from the nonvolatile memory in the case in which data is read from the nonvolatile memory, and the memory controller corrects an error based on the redundant information in the case in which the data includes an error. The memory controller stores data that is in a basic unit that is a unit of an error correction configured by the data of a predetermined length and the redundant information that is added to the data of a predetermined length into a plurality of predetermined pages in a dispersed manner.”

The patent application was filed on May 18, 2012 (13/512,804).