Patents by Inventor Nobuo Onuki

Nobuo Onuki 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).

  • Arrangement for control of the operation of a random access memory in a data processing system
    Patent number: 4417318
    Abstract: A data processing system has a dynamic type memory, a static type memory for storing data periodically read out, a central processing unit for transferring data to and from the two memories, an address generating circuit for periodically applying an address to the static type memory to read out the contents thereof, and an address selecting unit for exclusively selecting an address from the central processing unit or an address from the address generating circuit. In the system, the two memories are connected to the address selecting unit in order that the address selected by the address selecting means is supplied common to both the memories.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: November 22, 1983
    Assignee: Hitachi, Ltd.
    Inventors: Shigeru Hirahata, Teruhiro Takezawa, Nobuo Onuki, Shigeru Komatsu, Tsuguji Tachiuchi