Patents by Inventor Kwong Chu

Kwong Chu 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).

  • Publication number: 20100112050
    Abstract: Oral dosage forms as a biodegradable, water soluble film for delivering pharmaceutically active agents, particularly anti-migraine agents to patients through insertion into the mouth of patient and methods for administering pharmaceutically active agents to patients by insertion into the mouth to provide selective uptake of said agents through the mucosa and thus avoiding the gastrointestinal tract.
    Type: Application
    Filed: October 29, 2009
    Publication date: May 6, 2010
    Inventors: Je Phil Ryoo, Chun Kwong Chu, Zheng Wang
  • Publication number: 20050241254
    Abstract: A construction unit is disclosed as including a head, two legs with a space therebetween, a first arm and a second arm, in which the first arm includes a female end, the second arm includes a male end receivable within a female end of a first arm of an adjacent construction unit for releasably engaging the construction unit with the adjacent construction unit, and the head is receivable within a space between leg members of an adjacent construction unit for releasably engaging the construction unit with the adjacent construction unit.
    Type: Application
    Filed: April 29, 2004
    Publication date: November 3, 2005
    Applicant: Sinolink Plastic & Metal Products Ltd.
    Inventor: Kwong Chu
  • Patent number: 3957353
    Abstract: Method and apparatus for making a hologram that controls both the amplitude and the phase of a reconstructing beam of light at each point on the surface of the hologram. The hologram is a transparency made from a conventional, color reversal photographic film that has multiple emulsion layers that are each selectively photosensitive to light of different wavelengths. The desired image to be produced from the hologram is initially processed into a matrix of Fourier transformed amplitude coefficients and a matrix of Fourier transformed phase coefficients. The hologram is made by first exposing the photographic film to an illumination pattern of the Fourier amplitude coefficients using light having a spectrum to which one of the emulsions is selectively photosensitive. The film is next exposed to an illumination pattern of the Fourier phase coefficients using light having a wavelength to which another emulsion of the film is selectively photosensitive.
    Type: Grant
    Filed: March 8, 1974
    Date of Patent: May 18, 1976
    Assignee: The Board of Trustees of the Leland Stanford University
    Inventors: James R. Fienup, David Chau-Kwong Chu