Patents by Inventor Hideaki Chihara

Hideaki Chihara 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 storing and searching chemical structure data
    Patent number: 4811217
    Abstract: Chemical structure data containing generic representation of component atoms in a storage device is searched by finding a match between a query structure and a stored candidate structure by mathematically comparing attribute data of chemical units of a query structure and attribute data of chemical unit of a stored candidate structure, where attribute data represent chemical characteristics of chemical units of those structures.
    Type: Grant
    Filed: March 25, 1986
    Date of Patent: March 7, 1989
    Assignee: Japan Association For International Chemical Information
    Inventors: Soichi Tokizane, Hideaki Chihara