Patents by Inventor Noriyuki Sunahara

Noriyuki Sunahara 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 for determination of the valproic acid and reagents therein
    Patent number: 4443365
    Abstract: .delta.-substituted derivatives of valproic acid are provided for conjugation to antigenic compositions, particularly proteins and enzymes.The antigenic conjugates are employed for the production of antibodies, which find particular use in immunoassays for the determination of valproate.Also are disclosed a kit containing at least the conjugate and the antibody and determination method of valproate using the kit.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: April 17, 1984
    Assignee: Dainippon Pharmaceutical Company Limited
    Inventors: Noriyuki Sunahara, Shunsuke Naruto, Akira Kagemoto, Shigeru Kurooka, Kanae Yokogawa
  • Insolubilized antibody
    Patent number: 4166767
    Abstract: An insolubilized antibody suitable for an enzyme immuno assay or radio immuno assay, which has characteristic infrared absorptions at around 1,040 cm.sup.-1, 1,540 cm.sup.-1 and 1,640 cm.sup.-1 and is prepared by chemically binding an antibody to cell wall debris of bacteria or yeasts whose shape is globular or rod-like. There is further disclosed an enzyme immuno assay or radio immuno assay using the insolubilized antibody and a kit containing the insolubilized antibody.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: September 4, 1979
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Shigeru Kurooka, Noriyuki Sunahara