Patents by Inventor Hiroyki Tsubota

Hiroyki Tsubota 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).

  • Reagent for determining creatine kinase
    Patent number: 4888289
    Abstract: A reagent for the determination of creatine kinase is comprised of a reagent group containing N-acetylcysteine and ethylenediaminetetraacetic acid and a reagent group containing magnesium, whereby the stability thereof is acheived.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: December 19, 1989
    Assignees: Iatron Laboratories, Inc., Unitaka Ltd.
    Inventors: Tetuji Takami, Hiroyki Tsubota, Hisashi Ochi