Patents by Inventor Kaoru Naganuma

Kaoru Naganuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Nonvolatile memory erasure techniques
    Patent number: 9543024
    Abstract: Embodiments of the present disclosure describe methods, apparatus, and system configurations for conditional pre-programming of nonvolatile memory before erasure. In one instance, the method includes receiving a request to erase information in a portion of the nonvolatile memory device, in which the portion includes a plurality of storage units, determining whether one or more storage units of the plurality of storage units included in the portion of the non-volatile memory device are programmed, pre-programming the portion of the non-volatile memory device if the one or more storage units are determined to be programmed, and erasing the pre-programmed portion of the non-volatile memory device. A number of determined programmed storage units may not exceed a predetermined value. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: January 10, 2017
    Assignee: Intel Corporation
    Inventors: Hiroyuki Sanda, Kiran Pangal, Xin Guo, Kaoru Naganuma
  • NONVOLATILE MEMORY ERASURE TECHNIQUES
    Publication number: 20140297924
    Abstract: Embodiments of the present disclosure describe methods, apparatus, and system configurations for conditional pre-programming of nonvolatile memory before erasure. In one instance, the method includes receiving a request to erase information in a portion of the nonvolatile memory device, in which the portion includes a plurality of storage units, determining whether one or more storage units of the plurality of storage units included in the portion of the non-volatile memory device are programmed, pre-programming the portion of the non-volatile memory device if the one or more storage units are determined to be programmed, and erasing the pre-programmed portion of the non-volatile memory device. A number of determined programmed storage units may not exceed a predetermined value. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 2, 2014
    Inventors: Hiroyuki Sanda, Kiran Pangal, Xin Guo, Kaoru Naganuma