Patents by Inventor Yukio Nogami

Yukio Nogami 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).

  • 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