Patents by Inventor Ryan Chiezo Takafuji

Ryan Chiezo Takafuji 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).

  • Adaptive operation of multi level cell memory
    Patent number: 8995184
    Abstract: A Multi Level Cell (MLC) nonvolatile memory is tested and, if it fails to meet an MLC specification, is reconfigured for operation as an SLC memory by assigning two of the MLC memory cell states as SLC states in a first SLC mode, according to predefined sets of criteria. Subsequently, different MLC memory cell states are assigned as SLC states in a second SLC mode.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: March 31, 2015
    Assignee: SanDisk Technologies Inc.
    Inventors: Ryan Chiezo Takafuji, Nian Niles Yang, Chris Nga Yee Avila
  • Adaptive Operation of Multi Level Cell Memory
    Publication number: 20140160842
    Abstract: A Multi Level Cell (MLC) nonvolatile memory is tested and, if it fails to meet an MLC specification, is reconfigured for operation as an SLC memory by assigning two of the MLC memory cell states as SLC states in a first SLC mode, according to predefined sets of criteria. Subsequently, different MLC memory cell states are assigned as SLC states in a second SLC mode.
    Type: Application
    Filed: January 14, 2013
    Publication date: June 12, 2014
    Applicant: SanDisk Technologies Inc.
    Inventors: Ryan Chiezo Takafuji, Nian Niles Yang, Chris Nga Yee Avila