Patents by Inventor Yoshiharu Matukura

Yoshiharu Matukura 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).

  • Aqueous suspension of oxendolone
    Patent number: 4462996
    Abstract: The present invention relates to a stabilized aqueous suspension of oxendolone, which contains 0.05 to 1.0 w/v percent of a nonionic surfactant and 0.01 to 0.25 w/v percent of a p-hydroxybenzoic acid ester.The suspension satisfy the requirements of a pharmaceutical preparation and shows a prolonged activities of oxendolone without accompanying pain when it is injected.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: July 31, 1984
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Etsunosuke Noda, Yoshiharu Matukura, Akihiro Nagai
  • Pierceable closure member for vial
    Patent number: 4441621
    Abstract: A pierceable closure member for use on a vacuum-filled vial, including a rubber plug having an annular leg and an annular protrusion, and a lamina having an annular recess and secured to the rubber plug with the annular recess receiving therein the annular leg. For the purpose of retaining the vacuum inside the vial, the annular protrusion on the rubber plug has a specific dimensional relationship to the other parameter of the closure member.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: April 10, 1984
    Assignees: Takeda Chemical Industries, Ltd., Daikyo Gomu Seiko, Ltd.
    Inventors: Yoshiharu Matukura, Denpei Sudo
  • Rubber closure device for vials
    Patent number: 4366912
    Abstract: A rubber closure device for closing the mouth of a vial or like vessel comprises an inner closure member having a leg portion adapted to tightly protrude into the mouth, and an overlay closure member overlaying the inner closure member. The inner closure member is made of fluorinated rubber and has a thickness sufficient to exhibit a resistance to chemicals.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: January 4, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshiharu Matukura, Tokio Kataoka, Hiroshi Fujisawa
  • TRH Solution
    Patent number: 4167563
    Abstract: An injectable solution containing a trihydric to hexahydric sugar alcohol together with L-pyroglutamyl-L-histidyl-L-prolinamide or a physiologically acceptable salt thereof shows significantly reduced pain when administered to a host, especially subcutaneously or intramuscularly.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: September 11, 1979
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yasushi Mikura, Yoshiharu Matukura, Hiroshi Fujisawa