Patents by Inventor Shigeru Santo

Shigeru Santo 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).

  • Patent number: 7016807
    Abstract: A method for inserting monitor code into a program, improved to monitor the execution of any part of a program, is proposed. By embedding monitor code in place within a sequence of executable codes constituting a function to be monitored when reading the program and executing monitor actions through the intervention of stub functions during the program execution, monitoring the program execution is performed without placing loads on the run of the program other than the functions to be monitored.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: March 21, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiaki Morimoto, Kouji Doi, Shinichiro Kawasaki, Motoaki Satoyama, Shigeru Santo
  • Publication number: 20040153825
    Abstract: A method for inserting monitor code into a program, improved to monitor the execution of any part of a program, is proposed. By embedding monitor code in place within a sequence of executable codes constituting a function to be monitored when reading the program and executing monitor actions through the intervention of stub functions during the program execution, monitoring the program execution is performed without placing loads on the run of the program other than the functions to be monitored.
    Type: Application
    Filed: August 8, 2003
    Publication date: August 5, 2004
    Applicant: Hitachi, Ltd.
    Inventors: Yoshiaki Morimoto, Kouji Doi, Shinichiro Kawasaki, Motoaki Satoyama, Shigeru Santo
  • Publication number: 20030074605
    Abstract: In the invention, an exception that occurs in execution of a program is detected, and the normal operation exception occurrence pattern and/or the exception occurrence distribution are prepared from detected exceptions. Furthermore, by comparing the exception occurrence pattern and/or the exception occurrence distribution with the exception that is detected in operation of a computer, the abnormal operation is detected in early stage.
    Type: Application
    Filed: July 19, 2002
    Publication date: April 17, 2003
    Applicant: Hitachi, Ltd.
    Inventors: Yoshiaki Morimoto, Motoaki Satoyama, Shigeru Santo, Masaki Nakano, Kouji Doi