Patents by Inventor Hiroomi Yokoyama

Hiroomi Yokoyama 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).

  • Cardiac rehabilitation agent
    Patent number: 5852000
    Abstract: This invention provides a cardiac rehabilitation agent comprising at least one species of the class consisting of purine nucleoside and purine nucleotide, e.g. a composition comprising inosine, cytidine, uridine, a salt of guanosine 5'-monophosphate, and thymidine in a molar ratio of 4:4:3:4:1. The cardiac rehabilitation agent of this invention is characterized by excellent cardiac function-restorative activity and no risk of side effect.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: December 22, 1998
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Kazuo Ichihara, Hiroomi Yokoyama
  • Prophylactic and therapeutic composition for MRSA infection
    Patent number: 5422343
    Abstract: The invention provides an anti-MRSA prophylactic/therapeutic composition containing as an active ingredient at least one nucleic acid component selected from among inosine, guanosine n'-monophosphate (GMP) (n'=2', 3'or 5'), uridine and thymidine.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: June 6, 1995
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Sigeru Yamamoto, Hiroomi Yokoyama