Patents by Inventor Shinji Narisawa

Shinji Narisawa 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).

  • Publication number: 20140073671
    Abstract: Provided is an orally disintegrating tablet comprising a bitter-tasting pharmaceutically active ingredient in the form of bepotastine or a pharmacologically acceptable salt thereof that enables the bitter taste thereof to be masked, has both superior oral cavity disintegration and adequate hardness, and can be produced with ordinary tablet production equipment.
    Type: Application
    Filed: April 20, 2012
    Publication date: March 13, 2014
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Shinji Narisawa, Masaaki Sugimoto, Kenichi Kitaoka, Akiko Ookawa, Masayuki Morimoto
  • Publication number: 20050215485
    Abstract: The present invention relates to a stable liquid preparation comprising a camptothecin derivative which is prepared by binding a compound of the formula [I]: wherein R1 is a substituted or unsubstituted lower alkyl group, X1 is a group of the formula: —NHR2 (R2 is a hydrogen atom or a lower alkyl group) or a hydroxy group and Alk is a straight or branched chain alkylene group optionally interrupted by an oxygen atom, and a polysaccharide having carboxyl groups via an amino acid or a peptide, or a pharmaceutically acceptable sat thereof, which is adjusted to pH 5-8, or a stable pharmaceutical composition produced by lyophilizing said liquid preparation.
    Type: Application
    Filed: April 15, 2003
    Publication date: September 29, 2005
    Inventors: Takahiro Ito, Shinji Narisawa
  • Publication number: 20040259905
    Abstract: An aqueous ecabet sodium solution preparation which contains at a concentration of 1 w/v % or more (in conversion to ecabet sodium) of sulfodehydroabietic acid, or its salt•ion, wherein said solution is adjusted to pH in the range of 7-8.5 with at least one pH buffer selected from a salt of a polycarboxylic acid and a salt of a polyphoshoric acid, and an inorganic base. The preparation is stable, less irritant and is suitable for intestinal administration.
    Type: Application
    Filed: March 17, 2004
    Publication date: December 23, 2004
    Inventors: Shinji Narisawa, Kayo Sugaya, Takahiro Ito
  • Patent number: 5395628
    Abstract: A controlled release pharmaceutical preparation comprising (a) a core containing a pharmaceutically active substance and an organic acid, and (b) a coating film formed on the surface of the core by aqueous coating of a water-insoluble and water-slightly permeable acrylic polymer containing a trimethylammonium-ethyl group, which exhibits well controlled dissolution and release of the pharmaceutically active substance when administered and can maintain the desired blood level of the active substance for a long period of time, and a method for producing the preparation.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: March 7, 1995
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kazuo Noda, Yoshiyuki Hirakawa, Hiroyuki Yoshino, Shinji Narisawa