Patents by Inventor Masahiro Muramoto

Masahiro Muramoto 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 measuring direct bilirubin by enzymatic method and method for measurement thereof
    Patent number: 4571383
    Abstract: Reagent for the measurement of direct bilirubin comprising a buffer solution having a pH range of 3.5 to 4.5 which contains bilirubin oxidase, preferably in the form of a test kit consisting essentially of (i) a buffer solution having a pH range of 3.5 to 4.5, (ii-a) a lyophilized bilirubin oxidase, (ii-b) a buffer solution for dissolving the lyophilized bilirubin oxidase, and (iii) a standard serum containing a prescribed amount of bilirubin, and a method for measurement of direct bilirubin by using the reagent. The reagent and method are useful for diagnosis of various diseases, for example, various hepatic diseases (e.g. jaundice) and cholepathia.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: February 18, 1986
    Assignee: Nippon Shoji Kaisha, Ltd.
    Inventors: Masaharu Takayama, Seiichi Taniguchi, Masayasu Enomoto, Masahiro Muramoto