Patents by Inventor Satoshi Maruya

Satoshi Maruya 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).

  • Processor, encoder, decoder, and electronic apparatus
    Patent number: 6844834
    Abstract: The present invention provides a processor including a bit-shift circuit for inputting pieces of data held sequentially in a main register and an auxiliary register, shifting the piece of data bit after bit in accordance with a pointer and a bit count and outputting the shifted data by execution of an unpacking instruction specifying the bit count; a mask circuit for masking data output by the bit-shift circuit in accordance with the pointer and the bit count in the execution of the unpacking instruction; and a pointer-updating circuit for updating the value of the pointer by the bit count in the execution of the unpacking instruction.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: January 18, 2005
    Assignee: Sony Corporation
    Inventors: Satoshi Maruya, Hiroshi Iwasaki
  • Processor, encoder, decoder, and electronic apparatus
    Publication number: 20040021591
    Abstract: The present invention provides a processor including a bit-shift circuit for inputting pieces of data held sequentially in a main register and an auxiliary register, shifting the piece of data bit after bit in accordance with a pointer and a bit count and outputting the shifted data by execution of an unpacking instruction specifying the bit count; a mask circuit for masking data output by the bit-shift circuit in accordance with the pointer and the bit count in the execution of the unpacking instruction; and a pointer-updating circuit for updating the value of the pointer by the bit count in the execution of the unpacking instruction.
    Type: Application
    Filed: May 20, 2003
    Publication date: February 5, 2004
    Inventors: Satoshi Maruya, Hiroshi Iwasaki