Patents by Inventor Kohei Otsuyama

Kohei Otsuyama 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).

  • Pipeline control system
    Patent number: 4802113
    Abstract: According to the present invention, an instruction address register unit I for reading instructions and an instruction address register unit II for indicating the address of the instruction being executed in the pipeline are provided independently. The address of a branching instruction is held in the instruction address register unit II until said instruction passes through the pipeline, the content of instruction address register unit I is updated when branching of the branching instruction is determined, and thereby delay in reading an instruction after 8 bytes at the branching address can be reduced.
    Type: Grant
    Filed: June 25, 1985
    Date of Patent: January 31, 1989
    Assignee: Fujutsu Limited
    Inventors: Katsumi Onishi, Yuji Oinaga, Kohei Otsuyama