Patents by Inventor Mitzutoshi Tanaka

Mitzutoshi Tanaka 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).

  • Whole blood analytical element and method of analyzing whole blood using the same
    Patent number: H600
    Abstract: A multilayer analytical element for determining an assay of a component in whole blood sample is disclosed, which comprises at least two water-permeable layers, wherein one layer is a sample spreading layer and the other layer is a reagent layer, wherein one layer or more of said water-permeable layers contain a composition which interacts with said component in whole blood sample, wherein the composition forms a dye capable of being detected by a spectrophotometry at a wavelength of 600 n.m. or longer, when the composition interacts with said component in whole blood sample.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: March 7, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitzutoshi Tanaka, Shigeru Nagatomo, Harumi Katsuyama, Kazuya Kawasaki