Patents by Inventor Naaman Chen

Naaman Chen 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).

  • Food freshness indicator
    Patent number: 6723285
    Abstract: A system to detect spoilage of a food product is described in this invention. The present invention can be used to see if a food product is spoiled, by mixing a part of the food product with an indicator of food spoilage within a separate transparent compartment of the food container, which is visible to the consumer.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: April 20, 2004
    Inventors: Natali Chen, Nadav Chen, Naaman Chen
  • Food freshness indicator
    Publication number: 20020151075
    Abstract: A system to detect spoilage of a food product is described in this invention. The present invention can be used to see if a food product is spoiled, by mixing a part of the food product with an indicator of food spoilage within a separate transparent compartment of the food container, which is visible to the consumer.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 17, 2002
    Inventors: Natali Chen, Nadav Chen, Naaman Chen