Patents by Inventor Tae-Kyu Im

Tae-Kyu Im 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).

  • Dual printing mask for screen printing
    Publication number: 20070101877
    Abstract: A dual printing mask is used for coating a die adhering paste of a predetermined pattern on a substrate uniformly during a semiconductor packaging process. This dual printing mask includes a metal mask layer having a predetermined pattern of openings so as to receive a paste for adhering a semiconductor die onto a substrate, and a mesh layer integrally attached on the metal mask layer.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 10, 2007
    Inventors: Joon-Mo Seo, Byoung-Un Kang, Kyung-Tae Wi, Jae-Hoon Kim, Tae-Hyun Sung, Goo-Yun Chung, Seong-Hwan Jang, Tae-Kyu Im
  • Amphibian toy car
    Patent number: 4902260
    Abstract: Am amphibian toy car which can be operated by a remote controller comprising a semicircular flow-control cover disposed ajacent to the upper portion of each front wheel and a buoy. By these flow-control cover and buoy, the forward propel force above the front wheels is not generated, so that the toy car can move forwardly and turn right and left under the condition that wheels are submerged in water.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: February 20, 1990
    Assignee: Bando Sports, Ltd.
    Inventor: Tae-Kyu Im