Patents by Inventor Kenjirou Yasunari

Kenjirou Yasunari 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).

  • Operand address modification system
    Patent number: 5388239
    Abstract: A system of adding an operand address included in an instruction word to the contents of a modification register to obtain an effective address, wherein address data which designates each of a plurality of data tables constituted with prescribed storage capacity, is stored in a plurality of modification registers. Prescribed address data of one of the plurality of modification registers is selected based on the instruction word. The effective address for addressing the operand is obtained by adding the prescribed address data of the one of the plurality of modification registers to address data included in the operand address. The address data included in the operand address designates addresses which correspond to addresses of the plurality of data tables.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: February 7, 1995
    Assignee: Hitachi, Ltd.
    Inventors: Kenji Iimura, Sakae Miki, Shunji Shimada, Michio Hara, Kenjirou Yasunari, Hiroshi Takahashi, Kenichi Kimura, Akira Ikuta, Kenji Kawakita