Patents by Inventor Fumio Sumita

Fumio Sumita 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).

  • Method of setting addresses of memories
    Patent number: 5400293
    Abstract: A method of installing add-on memories capable of setting continuous addresses over the add-on memories and already existing memories comprises the steps of selecting a desired memory mounting portion among a plurality of memory mounting portions, judging the presence or absence of each memory in the selected memory mounting portion, and setting top and end addresses in the memory mounting portion so that the address of each memory mounted on the selected memory mounting portion continues to addresses of the memories mounted on other memory mounting portions when it is judged that each memory is mounted on the selected memory mounting portion.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: March 21, 1995
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Satoru Iguchi, Toshikazu Ito, Fumio Sumita