Patents by Inventor Beom Hyun Ji

Beom Hyun Ji 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: 6277017
    Abstract: The invention relates to a diamond tip disk saw that does not vibrate during high-speed rotation, enhance the quality of the cut surface, and increase the durability of the saw. The diamond tip disk saw according to the invention comprises of a metal disk having a shaft hole and a plurality of diamond tips on both sides of the periphery. In between the shaft hole and the diamond tips, the saw is provided with a plurality of corrugations forming substantially sinusoidal waves on both sides of the saw. A greater efficiency is obtained when the corrugations are formed in a convex arc coming out of the disk surfaces.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: August 21, 2001
    Inventor: Beom Hyun Ji