Patents by Inventor Tamami Koyama

Tamami Koyama 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 of measuring enzyme activity by using a column having an immobilized substrate
    Patent number: 5654152
    Abstract: Enzyme activity is measured promptly with a high accuracy by introducing an enzyme, the activity of which is to be measured, into a column comprising a hollow tube packed with a filler comprising a support and a substrate that can be recognized by the enzyme, which is immobilized on the support, and measuring the amount of the obtained decomposition product of the substrate.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 5, 1997
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Tamami Koyama, Soyao Moriguchi, Hiroshi Suzuki