Patents by Inventor Takashi Segami

Takashi Segami 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).

  • Acoustic capacity, volume, and surface area measurement method
    Patent number: 8104336
    Abstract: An acoustic capacity measurement method for finding capacity of a container or object by removing effect of the surface area without using an approximate expression of acoustic impedance is provided. The acoustic capacity measurement method for finding capacity of a container includes a pressure change ratio calculating step, a rotation step, an oblique coordinate transformation step, and a capacity calculating step.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: January 31, 2012
    Assignees: Kukamoto University, Rion Company Ltd., Munehiro Date
    Inventors: Ippei Torigoe, Takashi Segami, Munehiro Date
  • ACOUSTIC CAPACITY, VOLUME, AND SURFACE AREA MEASUREMENT METHOD
    Publication number: 20090217749
    Abstract: The present invention provides an acoustic capacity measurement method for finding capacity of a container or object by removing effect of the surface area without using an approximate expression of acoustic impedance.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Inventors: Ippei Torigoe, Takashi Segami, Munehiro Date