Patents by Inventor Wa Choi Cheung

Wa Choi Cheung 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).

  • Adjustable mattress and pillow system
    Patent number: 7107642
    Abstract: The invention provides a novel adjustable mattress and pillow system and related methods in which a sensing mat positioned on the top face of a mattress affects microprocessor-controlled optimization of the contour of the mattress and a pillow based on a user's position. In one embodiment, the novel adjustable mattress and pillow system of the invention provides real time contour optimization through use of a variety of sensing techniques that make the system particularly useful in environments such as hospital critical care facilities where proper positioning of a user on a mattress and a pillow may prove important to user's health.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: September 19, 2006
    Assignee: JETTA Company Limited
    Inventors: Sui-Kay Wong, Tit Shing Wong, Wa Choi Cheung, Him Fung Hau
  • Adjustable mattress and pillow system
    Publication number: 20040177449
    Abstract: The invention provides a novel adjustable mattress and pillow system and related methods in which a sensing mat positioned on the top face of a mattress affects microprocessor-controlled optimization of the contour of the mattress and a pillow based on a user's position. In one embodiment, the novel adjustable mattress and pillow system of the invention provides real time contour optimization through use of a variety of sensing techniques that make the system particularly useful in environments such as hospital critical care facilities where proper positioning of a user on a mattress and a pillow may prove important to user's health.
    Type: Application
    Filed: March 9, 2004
    Publication date: September 16, 2004
    Inventors: Sui-Kay Wong, Tit Shing Wong, Wa Choi Cheung, Him Fung Hau