Patents by Inventor Douglas V Kaz

Douglas V Kaz 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).

  • Photostorage and emissive material which provides color options
    Patent number: 6177029
    Abstract: A photostorage and emission material with technology for altering color and methods of manufacturing same. The component is composed of at least one luminescent material and at least one fluorescent colorant and/or optical brightener component. The luminescent component absorbs energy from a light source and continues to re-emits the light energy in or first wavelength spectrum when the light source is removed. This energy excites another component including a fluorescent colorant and/or optical brightener material which is excited by absorbing light at the first wavelength spectrum and re-radiating the absorbed light at a second wavelength spectrum. The optical properties of each material are closely matched so that the emission spectrum of luminescent materials stimulate the excitation spectrum of the fluorescent and/or optical brightener materials.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: January 23, 2001
    Assignee: Hirotec, Inc.
    Inventors: Douglas V Kaz, Komei L Shibata