Patents Assigned to Ko Sato
  • Patent number: 4320978
    Abstract: An integration sphere type turbidimeter having a cylindrical sample cell passing through an integration sphere and an optical system disposed so as to permit a collimated beam of light to be projected into the sample cell from one end to the other end thereof, whereby the diffused rays of light produced by the dispersed particles in the sample liquid are substantially completely picked up by the integration sphere.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: March 23, 1982
    Assignees: Ko Sato, Nippon Precision Optical Instrument Co., Ltd.
    Inventor: Ko Sato