Patents by Inventor Ryuhei Uehara

Ryuhei Uehara 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).

  • Method of managing data structure containing both persistent data and transient data
    Patent number: 5504895
    Abstract: According to a data management method of managing shared data which is shared by a plurality of processes and data inherent in a process which exists during execution of one particular process and disappears when the process is finished, when each process fetches shared data from a data base into a memory, whether the shared data requires data inherent in the process is checked. Any inherent data of the process is determined, if necessity for that data is determined. The determined inherent data of the process is stored in the memory. A pointer for the inherent data of the process, which is stored in the memory, is stored into the fetched shared data in accordance with attributes inherent in the process requiring the inherent data of the process.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: April 2, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takahiro Kurosawa, Masahiko Yoshimoto, Shigeki Shibayama, Ryuhei Uehara