Patents by Inventor Takashi Kurasawa

Takashi Kurasawa 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).

  • Patent number: 9486446
    Abstract: The present invention provides an orally-disintegrating solid preparation comprising fine granules showing controlled release of a pharmaceutically active ingredient, wherein the outermost layer of the fine granules is coated with a coating layer comprising hydroxypropylmethylcellulose and low-substituted hydroxypropylcellulose and breakage of the fine granules during tableting is suppressed.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: November 8, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Kurasawa, Yasuko Watanabe, Yohko Akiyama
  • Publication number: 20160128945
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: December 28, 2015
    Publication date: May 12, 2016
    Inventors: Yohko AKIYAMA, Takashi KURASAWA, Hiroto BANDO, Naoki NAGAHARA
  • Patent number: 9241910
    Abstract: The present invention provides an orally-disintegrating solid preparation such as a tablet produced by tabletting fine granules showing controlled release of a pharmaceutically active ingredient and an additive, and the like, and the orally-disintegrating solid preparation containing fine granules coated with a coating layer containing a polymer affording a casting film having an elongation at break of about 100-about 700%. With the preparation, breakage of fine granules during tabletting can be suppressed in the production of an orally-disintegrating solid preparation containing fine granules showing controlled release of a pharmaceutically active ingredient.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: January 26, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Kurasawa, Yasuko Watanabe, Yoshihiro Omachi
  • Publication number: 20150037423
    Abstract: The present invention provides an orally-disintegrating solid preparation such as a tablet produced by tabletting fine granules showing controlled release of a pharmaceutically active ingredient and an additive, and the like, and the orally-disintegrating solid preparation containing fine granules coated with a coating layer containing a polymer affording a casting film having an elongation at break of about 100-about 700%. With the preparation, breakage of fine granules during tabletting can be suppressed in the production of an orally-disintegrating solid preparation containing fine granules showing controlled release of a pharmaceutically active ingredient.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Takashi KURASAWA, Yasuko WATANABE, Yoshihiro OMACHI
  • Patent number: 8784885
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: July 22, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
  • Publication number: 20140186449
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: March 6, 2014
    Publication date: July 3, 2014
    Inventors: Yohko AKIYAMA, Takashi KURASAWA, Hiroto BANDO, Naoki NAGAHARA
  • Publication number: 20140186448
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: March 6, 2014
    Publication date: July 3, 2014
    Inventors: Yohko AKIYAMA, Takashi KURASAWA, Hiroto BANDO, Naoki NAGAHARA
  • Patent number: 8722084
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: May 13, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
  • Publication number: 20110091563
    Abstract: The present invention provides an orally-disintegrating solid preparation such as a tablet produced by tabletting fine granules showing controlled release of a pharmaceutically active ingredient and an additive, and the like, and the orally-disintegrating solid preparation containing fine granules coated with a coating layer containing a polymer affording a casting film having an elongation at break of about 100-about 700%. With the preparation, breakage of fine granules during tabletting can be suppressed in the production of an orally-disintegrating solid preparation containing fine granules showing controlled release of a pharmaceutically active ingredient.
    Type: Application
    Filed: March 10, 2009
    Publication date: April 21, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takashi Kurasawa, Yasuko Watanabe, Yoshihiro Omachi
  • Publication number: 20100316709
    Abstract: The present invention provides an orally-disintegrating solid preparation comprising fine granules showing controlled release of a pharmaceutically active ingredient, wherein the outermost layer of the fine granules is coated with a coating layer comprising hydroxypropylmethylcellulose and low-substituted hydroxypropylcellulose and breakage of the fine granules during tableting is suppressed.
    Type: Application
    Filed: December 27, 2007
    Publication date: December 16, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takashi Kurasawa, Yasuko Watanabe, Yohko Akiyama
  • Publication number: 20100285120
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: July 19, 2010
    Publication date: November 11, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
  • Publication number: 20100278911
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: July 8, 2010
    Publication date: November 4, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
  • Publication number: 20100272798
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: July 8, 2010
    Publication date: October 28, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Yohko AKIYAMA, Takashi KURASAWA, Hiroto BANDO, Naoki NAGAHARA
  • Patent number: 7790755
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: September 7, 2010
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
  • Publication number: 20090175959
    Abstract: The present invention provides a controlled release solid preparation superior in the stability of an active ingredient, which can exhibit pharmacological effects steadily and rapidly after administration, and shows a sustained pharmacological effect for a prolonged period of time: a controlled release solid preparation containing (1) an antacid, (2) an immediate-release part containing a compound unstable to acid and a basic substance, and (3) a sustained-release part containing a compound unstable to acid and a pH-independent material in combination.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 9, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Hiroto Bando, Takashi Kurasawa
  • Publication number: 20090104264
    Abstract: The present invention provides a controlled release solid preparation superior in the stability of an active ingredient, which can exhibit pharmacological effects steadily and rapidly after administration, and shows a sustained pharmacological effect for a prolonged period of time: a controlled release solid preparation containing a combination of (1) an antacid, (2) an immediate-release part containing a compound unstable to acid and a basic substance, and (3) a sustained-release part containing a compound unstable to acid and a basic substance, and having a film that dissolves at pH 6.5 or above.
    Type: Application
    Filed: December 28, 2006
    Publication date: April 23, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Hiroto Bando, Takashi Kurasawa
  • Publication number: 20060013868
    Abstract: A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
    Type: Application
    Filed: October 15, 2003
    Publication date: January 19, 2006
    Inventors: Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara