Patents by Inventor Yasuhide Ohara

Yasuhide Ohara 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).

  • Serial access memory circuit with improved serial addressing circuit composed of a shift register
    Patent number: 4903242
    Abstract: A serial access memory circuit provided with an improved serial addressing circuit which can be fabricated with a reduced number of elements, is disclosed. The memory circuit comprises a memory array of N columns to be serially accessed, and a serial selection circuit including a shift register of N/K stages, a control circuit generating K output signals and a gate circuit receiving output signals of N/K stages of the shift register and K output signals of the control circuit and generating N output signals.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: February 20, 1990
    Assignee: NEC Corporation
    Inventors: Kunihiko Hamaguchi, Yasuhide Ohara