Patents by Inventor Yong Su Um

Yong Su Um 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).

  • Aerostatic bearing spindle system using unidirectional porous metal
    Patent number: 7871200
    Abstract: Provided is an aerostatic bearing spindle system using a unidirectional porous metal. The aerostatic bearing spindle system using a unidirectional porous metal may be used to serve as bearings in a region is in contact with the unidirectional porous metals when the unidirectional porous metals are rotated at a high speed, the unidirectional porous metals being manufactured with high porosity and directionality using the metallurgical method.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: January 18, 2011
    Assignee: Industry-Academic Cooperation Foundation Gyeongsang National University
    Inventors: Bo Young Hur, Yong Su Um, Jae Hong Yoon
  • AEROSTATIC BEARING SPINDLE SYSTEM USING UNIDIRECTIONAL POROUS METAL
    Publication number: 20090010579
    Abstract: Provided is an aerostatic bearing spindle system using a unidirectional porous metal. The aerostatic bearing spindle system using a unidirectional porous metal may be used to serve as bearings in a region is in contact with the unidirectional porous metals when the unidirectional porous metals are rotated at a high speed, the unidirectional porous metals being manufactured with high porosity and directionality using the metallurgical method.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 8, 2009
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Bo Young Hur, Yong Su Um, Jae Hong Yoon