Patents Assigned to Erc Inc.
  • Differential refractive index detector and liquid chromatograph equipped with the same
    Patent number: 6295125
    Abstract: To provide a differential refractive index detector free from fears for occurrence of personal errors in the judgement of stable condition and capable of performing highly efficient analysis operation, and a liquid chromatograph equipped with the detector.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: September 25, 2001
    Assignees: Showa Denko K.K., Erc Inc.
    Inventors: Tsunemi Tokieda, Yukio Nogami, Saburo Inoue