Patents by Inventor Hiroshi Ikura

Hiroshi Ikura 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).

  • Method and preparation for administration to the mucosa of the oral or nasal cavity
    Patent number: 4250163
    Abstract: A method for administering a medicament which comprises adhering to the mucosa of the oral or nasal cavity a pharmaceutical preparation comprising(a) a water-swellable and mucosa-adhesive polymeric matrix comprising about 50 to about 95% by weight of a cellulose ether and about 50 to about 5% by weight of a homo- or copolymer of acrylic acid or a pharmaceutically acceptable salt thereof, and(b) dispersed therein, a pharmaceutically effective amount of the medicament,said preparation releasing continuously the medicament at a controlled rate; and causing the released medicament to be absorbed through the mucosa or enterally; said mucosa-adhesive preparation; and process for said preparation.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: February 10, 1981
    Assignee: Teijin Limited
    Inventors: Tsuneji Nagai, Yoshiharu Machida, Yoshiki Suzuki, Hiroshi Ikura
  • Method and preparation for administration to the mucosa of the oral or nasal cavity
    Patent number: 4226848
    Abstract: A method for administering a medicament which comprises adhering to the mucosa of the oral or nasal cavity a pharmaceutical preparation comprising(a) a water-swellable and mucosa-adhesive polymeric matrix comprising about 50 to about 95% by weight of a cellulose ether and about 50 to about 5% by weight of a homo- or copolymer of acrylic acid or a pharmaceutically acceptable salt thereof, and(b) dispersed therein, pharmaceutically effective amount of the medicament,said preparation releasing continuously the medicament at a controlled rate; and causing the released medicament to be absorbed through the mucosa or enterally; said mucosa-adhesive preparation; and process for said preparation.
    Type: Grant
    Filed: March 2, 1979
    Date of Patent: October 7, 1980
    Assignee: Teijin Limited
    Inventors: Tsuneji Nagai, Yoshiharu Machida, Yoshiki Suzuki, Hiroshi Ikura