Patents by Inventor Hideo Munetika

Hideo Munetika 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 and system for managing object-oriented database
    Patent number: 6182082
    Abstract: A system for managing an object-oriented database in response to a request issued from an application program includes a database for storing therein both of a class having a definition of an object and an object generated from the class; a generating unit for generating a class and a plurality of attributes based on class definition information and attribute definition information, which are designated by the application program; another generating unit for generating an object to store an attribute value corresponding to the class definition information in accordance with the class definition information, the object generating unit including a-storage control unit for storing the attribute value related to a normal attribute into one storage unit area of the database when the request issued from the application program is related to the normal attribute, and for storing the attribute value related to a clustering attribute into another storage unit area of the database when the request issued from the appli
    Type: Grant
    Filed: July 21, 1995
    Date of Patent: January 30, 2001
    Assignees: Hitachi, Ltd., Hitachi Software Co., Ltd.
    Inventors: Hitoshi Tanaka, Satoshi Wakayama, Takeo Maruyama, Yoichi Yamamoto, Hideo Munetika