Patents by Inventor Chisato Maruyama

Chisato Maruyama 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).

  • Patent number: 4394502
    Abstract: Disclosed is a novel immunotherapeutic agent for tumors, which comprises as an active component a lipopolysaccharide derived from human tubercle bacillus or a lipopolysaccharide formed by chemically modifying said lipopolysaccharide.
    Type: Grant
    Filed: August 18, 1981
    Date of Patent: July 19, 1983
    Inventor: Chisato Maruyama
  • Patent number: 4329452
    Abstract: Disclosed is a novel immunotherapeutic agent for tumors, which comprises as an active component a lipopolysaccharide derived from human tubercle bacillus or a lipopolysaccharide formed by chemically modifying said lipopolysaccharide.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: May 11, 1982
    Inventor: Chisato Maruyama