Patents by Inventor Mikko Hakulinen

Mikko Hakulinen 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).

  • Patent number: 8679019
    Abstract: The invention relates to a method for measuring thicknesses of materials of multilayered structure. This method includes transmitting one or more ultrasound signals including different frequencies into a multilayered structure consisting of two or more materials with one or more ultrasound transducers, measuring materials, acoustic properties for which are different at the frequencies in use, measuring ultrasound signals reflected from the front surface and back surface of the multilayered structure with one or more ultrasound transducer and determining thicknesses of the materials within multilayered structure from the reflected ultrasound signals.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: March 25, 2014
    Assignee: Bone Index Finland Oy
    Inventors: Jukka Jurvelin, Ossi Riekkinen, Mikko Hakulinen
  • Publication number: 20090143681
    Abstract: The invention relates to a method for measuring thicknesses of materials of multilayered structure. This method includes transmitting one or more ultrasound signals including different frequencies into a multilayered structure consisting of two or more materials with one or more ultrasound transducers, measuring materials, acoustic properties for which are different at the frequencies in use, measuring ultrasound signals reflected from the front surface and back surface of the multilayered structure with one or more ultrasound transducer and determining thicknesses of the materials within multilayered structure from the reflected ultrasound signals.
    Type: Application
    Filed: December 3, 2007
    Publication date: June 4, 2009
    Inventors: Jukka Jurvelin, Ossi Riekkinen, Mikko Hakulinen