Patents by Inventor Ryuji Hisamura

Ryuji Hisamura 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).

  • ANTIALLERGENIC COMPOSITION
    Publication number: 20100056631
    Abstract: An antiallergenic composition comprising 3-hydroxybutyric acid and/or a salt thereof. The antiallergenic composition is safe.
    Type: Application
    Filed: October 26, 2007
    Publication date: March 4, 2010
    Applicant: OPHTECS CORPORATION
    Inventors: Ryuji Hisamura, Shigeru Nakamura, Toyoaki Yoneda