Patents by Inventor Seiichi Hosoda

Seiichi Hosoda 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).

  • Method to eliminate the noise at known frequency
    Patent number: 4305132
    Abstract: In measurement of signals containing noise at a known frequency, a method to eliminate noise at a known frequency of T so adapted as to obtain correct value of the signal free from noise by repeating measurements of signal levels at time interval of T/2 and averaging the values obtained by said measurements.
    Type: Grant
    Filed: November 27, 1979
    Date of Patent: December 8, 1981
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kosaku Tsuboshima, Noriaki Ono, Seiichi Hosoda