Patents by Inventor Ko Kakamura

Ko Kakamura 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).

  • Pyridinium derivatives
    Patent number: 5338850
    Abstract: The present invention provides novel pyridinium derivatives which are effective, for example, in diagnosis of diabetes, diabetic complications, aging, diseases accompanied by aging, etc. and also provides an antibody prepared from said derivative as a hapten.The pyridinium derivatives of the present invention are novel compounds represented by the following general formulae: ##STR1## wherein R and R' may be the same or different and are optionally substituted alkyl groups, and their pharmaceutically acceptable salts.It is possible to conduct the diagnosis of diabetes, diabetic complications, aging, diseases accompanied by aging, etc. using a compound of the present invention as an indicator. Moreover, it is possible to utilize a compound of the present invention for the evaluation of the pharmaceutical effect of pharmaceuticals effective for diabetes-related diseases, aging and diseases accompanied by aging.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: August 16, 1994
    Assignee: Nippon Zoki Pharmaceutical Co., Ltd.
    Inventors: Ko Kakamura, Toshikazu Hochi, Kazuhara Ienaga