Patents by Inventor Yuko Nagamine

Yuko Nagamine 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).

  • .alpha.-amylase assay using modified oligosaccharide and process for producing said modified oligosaccharide
    Patent number: 5319078
    Abstract: .alpha.-Amylase activity can be determined rapidly and precisely by using as a substrate a modified oligo-saccharide wherein a benzylozymethyl group or a halo-methyl group is bonded to the C.sub.6 position of non-reducing-end glucose residue and the reducing-end glucose residue is bonded to a group which exhibits an optically measurable change upon cleavage. Processes for producing such a compound are also disclosed.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: June 7, 1994
    Assignee: Wako Pure Chemical Industries, Inc.
    Inventors: Tokuji Ikenaka, Kaoru Omichi, Shinji Satomura, Yuko Nagamine
  • .alpha.-amylase assay using modified oligosaccharide and process for producing said modified oligosaccharide
    Patent number: 5192666
    Abstract: .alpha.-Amylase activity can be determined rapidly and precisely by using as a substrate a modified oligosaccharide wherein a benzyloxymethyl group or a halomethyl group is bonded to the C.sub.6 position of non-reducing-end glucose residue and the reducing-end glucose residue is bonded to a group which exhibits an optically measurable change upon cleavage. Processes for producing such a compound are also disclosed.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: March 9, 1993
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Tokuji Ikenaka, Kaoru Omichi, Shinji Satomura, Yuko Nagamine