Patents by Inventor Jae K. Ko

Jae K. Ko 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).

  • Cover-locking device for a video tape cassette
    Patent number: 4898277
    Abstract: A cover-locking device for a video tape cassette comprising a cover-locking pin having a lock-releasing protrusion and an engaging protrusion and being pivotably supported in a half-down of the cassette. The cover-locking device also comprises a push member integrally formed on the inner surface of a half-up of the cassette, and an operating member formed on the upper portion of the cover-locking pin. The operating member is always in contact with the push member.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: February 6, 1990
    Assignee: SKC Limited
    Inventors: Jae K. Ko, Kyung H. Chung