Patents by Inventor Haruo Ooyama

Haruo Ooyama 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).

  • Antiviral agent containing crude drug
    Patent number: 5411733
    Abstract: Antiviral agent containing a crude drug effective on a broad range of viruses.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: May 2, 1995
    Inventors: Toyoharu Hozumi, Takao Matsumoto, Haruo Ooyama, Tsuneo Namba, Kimiyasu Shiraki, Masao Hattori, Masahiko Kurokawa, Shigetoshi Kadota