Patents by Inventor Fumirou Matsunoshita

Fumirou Matsunoshita 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).

  • Data processing system for preventing machine stoppage due to an error in a copy register
    Patent number: 4594710
    Abstract: A data processing system comprising an instruction control unit for controlling system operation, a storage control unit for storing data used for the system operation, and a machine check interruption portion for carrying out a machine check interruption when an error occurs during the system operation. The instruction control unit has a system control register group for storing system control data. The storage control unit has a copy register group for storing data copied from the system control data. The instruction control unit further comprises a register save state portion for copying the contents stored in the system control register group into the copy register group during the machine check interruption when an error occurs in the copy register group during the system operation. In this manner, a machine stop due to an error only in the copy register group, is prevented.
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: June 10, 1986
    Assignee: Fujitsu Limited
    Inventors: Fumirou Matsunoshita, Kiyosumi Sato