Patents by Inventor Kunihiro Odaka

Kunihiro Odaka 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).

  • Direct memory access of a main memory by an input/output device using a table in main memory
    Patent number: 4346439
    Abstract: A data transfer system for use in a data processing system using a direct memory access mode of operation, which is equipped with a processor, a main memory and an input/output device. The data transfer system is characterized in that, when a group of data to be transferred exists in a plurality of areas of continuous addresses of the afore-mentioned memory, a table is provided in the afore-mentioned main memory with identifying information for each group of data indicative of the first address and the number of data items to be transferred from each area of continuous addresses.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: August 24, 1982
    Assignees: Hitachi, Ltd., Hitachi Denshi Kabushiki Kaisha
    Inventors: Takakazu Huno, Takeyuki Endo, Kunihiro Odaka, Yasutaka Shibuya