Patents by Inventor Yer-Lee Ko

Yer-Lee 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).

  • Process for improving the color of prawns, shrimp and lobsters
    Patent number: 4877633
    Abstract: This invention provides a process for improving the shrimps and lobsters, which comprises quick-freezing the prawns, color of prawns, shrimps and lobsters to a certain low temperature before the heat treatment, a step conventionally used for changing the color of prawns, shrimps and lobsters to a beautiful pink red, and then cooling the heat treated prawns, shrimps or lobsters immediately after the heat treating step, so that the depth of color change can be easily regulated within an appropriate range, preventing the prawns, shrimps or lobsters from losing body fluid and destroying any qualities of freshness.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: October 31, 1989
    Inventor: Yer-Lee Ko