Patents by Inventor Shinpei Wasanabe

Shinpei Wasanabe 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).

  • Dram architecture enabling refresh and access operations in the same bank
    Publication number: 20060239098
    Abstract: To provide a DRAM that reduces loss time of accesses at the time of refresh and performs refresh for any other bank in parallel with normal accesses and is able to be used just like SRAM. [Constitution]DRAM comprises: refresh directing means for directing execution of refresh; bank specifying means for specifying a bank address of the memory cells to be refreshed; addressing means for addressing a row address of the memory cells to be refreshed in the specified bank; and execution means for refreshing the memory cells of the row address addressed in the specified bank in response to the direction of execution of refresh from the refresh directing means.
    Type: Application
    Filed: June 17, 2006
    Publication date: October 26, 2006
    Applicant: International Business Machines Corporation
    Inventors: Toshio Sunaga, Shinpei Wasanabe