Patents by Inventor Hirofumi Samemoto

Hirofumi Samemoto 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).

  • COMPOSITIONS CONTROLLING pH RANGE OF RELEASE AND/OR RELEASE RATE
    Publication number: 20150045352
    Abstract: The present invention provides a composition controlling a pH range of release and/or a release rate, which contains (i) a thienotriazolodiazepine compound of the formula (I) and (ii) at least one kind of ingredient selected from the group consisting of a water-soluble polymer, an enteric polymer, a water-insoluble polymer and a porous polymer and/or a surfactant, as well as a production method thereof.
    Type: Application
    Filed: October 24, 2014
    Publication date: February 12, 2015
    Inventors: Kazuyoshi SAGARA, Tomoyuki OMURA, Hirofumi SAMEMOTO, Hirotsugu KOMATSU
  • Compositions controlling pH range of release and/or release rate
    Patent number: 8883777
    Abstract: The present invention provides a composition controlling a pH range of release and/or a release rate, which contains (i) a thienotriazolodiazepine compound of the formula (I) and (ii) at least one kind of ingredient selected from the group consisting of a water-soluble polymer, an enteric polymer, a water-insoluble polymer and a porous polymer and/or a surfactant, as well as a production method thereof.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: November 11, 2014
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Kazuyoshi Sagara, Tomoyuki Omura, Hirofumi Samemoto, Hirotsugu Komatsu
  • COMPOSITIONS CONTROLLING pH RANGE OF RELEASE AND/OR RELEASE RATE
    Publication number: 20120202798
    Abstract: The present invention provides a composition controlling a pH range of release and/or a release rate, which contains (i) a thienotriazolodiazepine compound of the formula (I) and (ii) at least one kind of ingredient selected from the group consisting of a water-soluble polymer, an enteric polymer, a water-insoluble polymer and a porous polymer and/or a surfactant, as well as a production method thereof.
    Type: Application
    Filed: April 17, 2012
    Publication date: August 9, 2012
    Inventors: Kazuyoshi SAGARA, Tomoyuki Omura, Hirofumi Samemoto, Hirotsugu Komatsu
  • Compositions controlling pH range of release and/or release rate
    Publication number: 20090012064
    Abstract: The present invention provides a composition controlling a pH range of release and/or a release rate, which contains (i) a thienotriazolodiazepine compound of the formula (I) and (ii) at least one kind of ingredient selected from the group consisting of a water-soluble polymer, an enteric polymer, a water-insoluble polymer and a porous polymer and/or a surfactant, as well as a production method thereof.
    Type: Application
    Filed: August 5, 2008
    Publication date: January 8, 2009
    Inventors: Kazuyoshi Sagara, Tomoyuki Omura, Hirofumi Samemoto, Hirotsugu Komatsu
  • Compositions controlling pH range of release and /or release rate
    Publication number: 20030130268
    Abstract: The present invention provides a composition controlling a pH range of release and/or a release rate, which contains (i) a thienotriazolodiazepine compound of the formula (I) 1
    Type: Application
    Filed: December 16, 2002
    Publication date: July 10, 2003
    Inventors: Kazuyoshi Sagara, Tomoyuki Omura, Hirofumi Samemoto, Hirotsugu Komatsu