Patents by Inventor Norifumi Yoshimatsu

Norifumi Yoshimatsu 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).

  • ESTIMATOR, TABLE MANAGING DEVICE, SELECTING DEVICE, TABLE MANAGING METHOD, PROGRAM FOR ALLOWING COMPUTER TO EXECUTE THE TABLE MANAGING METHOD, AND RECORDING MEDIUM WHERE THE PROGRAM IS RECORDED
    Publication number: 20090327673
    Abstract: An estimator suitable for hot-path detection conducted while managing the history of the executed instructions is provided.
    Type: Application
    Filed: October 16, 2006
    Publication date: December 31, 2009
    Applicant: FUKUOKA INDUSTRY, SCIENCE & TECHNOLOGY FOUNDATION
    Inventors: Norifumi Yoshimatsu, Makoto Yoshida
  • Data processor having wait state control unit
    Patent number: 5201036
    Abstract: A data processor (1) includes a wait state control unit (6) for generating a ready signal for instructing a bus control unit (3) to insert a wait state into a bus cycle being performed. The bus control unit performs a bus cycle with first and second states (T1 and T2). The wait state control unit includes a bus cycle judgement circuit, a register, a wait cycle selector/decoder, a wait cycle presence/absence detector for detecting whether or not a wait state is to be inserted into the bus cycle, and a ready signal generator for generating a ready signal in response to the detection signal from the wait cycle presence/absence detector for generating the ready signal in response to the detection signal irrespective of the absence of the decoded wait cycle number from the wait cycle selector/decoder.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: April 6, 1993
    Assignee: NEC Corporation
    Inventor: Norifumi Yoshimatsu