Patents by Inventor Miki Akino

Miki Akino 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).

  • Radioimmunoassay of pterins and novel pterin derivatives useful therefor
    Patent number: 4371514
    Abstract: Pterin derivatives are described having the formula (I) ##STR1## wherein R represents a hydroxyphenyl group, a radioiodinated hydroxyphenyl group, a tyraminocarbonyl group, a radioiodinated tyraminocarbonyl group, a proteinocarbonyl group or a carboxy group; Q represents a straight or branched chain alkylene group having 1 to 6 carbon atoms; and R.sub.6 and R.sub.7 each represents a hydrogen, an alkyl group having from 1 to 6 carbon atoms, a hydroxyalkyl group having from 1 to 6 carbon atoms; and a radioimmunoassay method is described using a radioiodinated 4-hydroxy-2-tyraminopteridine derivative or a radioiodinated 4-hydroxy-2-tyraminocarbonylalkylaminopteridine derivative as the tracer.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: February 1, 1983
    Assignee: Daiichi Radioisotope Laboratories, Ltd.
    Inventors: Toshiharu Nagatsu, Takeshi Kato, Tokio Yamaguchi, Miki Akino, Sadao Matsuura, Takashi Sugimoto