Patents by Inventor Shuichi Yada

Shuichi Yada 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: 10172806
    Abstract: An object of the present invention is to provide a pharmaceutical composition having abuse deterrent properties and thereby prevent the abuse of a pharmacologically active component by an abuser (abuse through snorting, abuse through injection, or abuse through snorting or injection of a temporarily extracted drug). The present invention provides a pharmaceutical composition having abuse deterrent properties that possesses both a physical barrier and a chemical barrier to being abused by an abuser, a method for producing the same and a method for using the same.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: January 8, 2019
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Ryoichi Hayakawa, Atsutoshi Ito, Hideki Yano
  • Patent number: 9918938
    Abstract: An object of the present invention is to provide a method for producing selectively a powder particle consisting of the ?-form crystal of D-mannitol, using the spray-drying method. It is a method for selective production of powder particles consisting of the ?-form crystal of D-mannitol, wherein a D-mannitol solution containing a water-soluble polymer is spray-dried.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: March 20, 2018
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Atsutoshi Ito, Shuichi Yada, Mitsuhide Tanimoto, Michiko Kumon
  • Patent number: 9827199
    Abstract: An object is to provide a hydromorphone hydrochloride- or oxycodone hydrochloride hydrate-containing sustained-release pharmaceutical composition for oral administration that reliably exhibits its main pharmacological effect and has excellent formulation stability that avoids dose dumping of the principal drug, such as alcohol resistance. The present invention provides a sustained-release pharmaceutical composition comprising (A) hydromorphone hydrochloride or oxycodone hydrochloride hydrate, (B) hydroxypropyl methylcellulose acetate succinate having a median size (D50) of 40 ?m or smaller, (C) hydroxypropyl cellulose, and (D) a saccharide, wherein the content ratio of the component (C) to the component (B) by weight in the composition, (C)/(B), is 11/3 to 3/11.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 28, 2017
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Hideki Yano, Kazuhiro Yoshida, Sachiko Fukui
  • Publication number: 20170273975
    Abstract: An object of the present invention is to provide a pharmaceutical composition having abuse deterrent properties and thereby prevent the abuse of a pharmacologically active component by an abuser (abuse through snorting, abuse through injection, or abuse through snorting or injection of a temporarily extracted drug). The present invention provides a pharmaceutical composition having abuse deterrent properties that possesses both a physical barrier and a chemical barrier to being abused by an abuser, a method for producing the same and a method for using the same.
    Type: Application
    Filed: June 14, 2017
    Publication date: September 28, 2017
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Ryoichi Hayakawa, Atsutoshi Ito, Hideki Yano
  • Publication number: 20160228370
    Abstract: An object of the present invention is to provide a method for producing selectively a powder particle consisting of the ?-form crystal of D-mannitol, using the spray-drying method. It is a method for selective production of powder particles consisting of the ?-form crystal of D-mannitol, wherein a D-mannitol solution containing a water-soluble polymer is spray-dried.
    Type: Application
    Filed: September 29, 2014
    Publication date: August 11, 2016
    Inventors: Atsutoshi ITO, Shuichi YADA, Mitsuhide TANIMOTO, Michiko KUMON
  • Publication number: 20150231083
    Abstract: An object is to provide a hydromorphone hydrochloride- or oxycodone hydrochloride hydrate-containing sustained-release pharmaceutical composition for oral administration that reliably exhibits its main pharmacological effect and has excellent formulation stability that avoids dose dumping of the principal drug, such as alcohol resistance. The present invention provides a sustained-release pharmaceutical composition comprising (A) hydromorphone hydrochloride or oxycodone hydrochloride hydrate, (B) hydroxypropyl methylcellulose acetate succinate having a median size (D50) of 40 ?m or smaller, (C) hydroxypropyl cellulose, and (D) a saccharide, wherein the content ratio of the component (C) to the component (B) by weight in the composition, (C)/(B), is 11/3 to 3/11.
    Type: Application
    Filed: March 2, 2015
    Publication date: August 20, 2015
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Hideki Yano, Kazuhiro Yoshida, Sachiko Fukui
  • Publication number: 20140050785
    Abstract: A pharmaceutical tablet containing olmesartan medoxomil and amlodipine besylate, which has improved dissolvability. The composition contains (A) olmesartan medoxomil and (B) amlodipine besylate as active ingredients and (C) a calcium-containing additive. A method for treating or preventing hypertension by administering the pharmaceutical tablet to a patient.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 20, 2014
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Shuichi YADA, Hideki YANO, Tsuyoshi NAGAIKE, Misato YOKOI
  • Patent number: 8652519
    Abstract: A pharmaceutical tablet containing olmesartan medoxomil and amlodipine besylate, which has improved dissolvability. Said composition contains (A) olmesartan medoxomil and (B) amlodipine besylate as active ingredients and (C) a calcium-containing additive. A method of improving the dissolution properties of a pharmaceutical composition containing olmesartan medoxomil and amlodipine besylate by using said composition is also provided.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: February 18, 2014
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Hideki Yano, Tsuyoshi Nagaike, Misato Yokoi
  • Publication number: 20120064158
    Abstract: A pharmaceutical tablet containing olmesartan medoxomil and amlodipine besylate, which has improved dissolvability. Said composition contains (A) olmesartan medoxomil and (B) amlodipine besylate as active ingredients and (C) a calcium-containing additive. A method of improving the dissolution properties of a pharmaceutical composition containing olmesartan medoxomil and amlodipine besylate by using said composition is also provided.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 15, 2012
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Shuichi YADA, Hideki Yano, Tsuyoshi Nagaike, Misato Yokoi
  • Publication number: 20110038898
    Abstract: A pharmaceutical composition containing olmesartan medoxomil and amlodipine, which has improved dissolvability. Said composition contains (A) olmesartan medoxomil and (B) amlodipine as active ingredients and (C) a calcium-containing additive. A method of improving the dissolution properties of a pharmaceutical composition containing olmesartan medoxomil and amlodipine by using said composition is also provided.
    Type: Application
    Filed: March 2, 2009
    Publication date: February 17, 2011
    Inventors: Shuichi Yada, Hideki Yano, Tsuyoshi Nagaike, Misato Yokoi
  • Publication number: 20100237530
    Abstract: [Object] The present invention provides an olmesartan medoxomil-containing drug product having an improved dissolution property. [Means for Solution] A production method for an olmesartan medoxomil-containing drug product characterized in that the method comprises a process of compressing a composition.
    Type: Application
    Filed: June 26, 2007
    Publication date: September 23, 2010
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Shuichi Yada, Susumu Hasegawa, Mitsuhide Tanimoto
  • Publication number: 20080262054
    Abstract: [OBJECT] To provide a pharmaceutical composition containing a thiazolidinedione compound and having superior solubility. [MEANS FOR SOLUTION] A pharmaceutical composition incorporating cellulose, a cellulose derivative, a polyvinyl alcohol derivative, a polyvinyl alcohol derivative mixture or a mixture thereof with 5-{4-[(6-methoxy-1-methyl-1H-benzimidazol-2-yl)methoxy]benzyl}thiazolidine-2,4-dione, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: July 7, 2006
    Publication date: October 23, 2008
    Inventors: Takao Kawasaki, Nobuyuki Suzuki, Shuichi Yada
  • Publication number: 20060116411
    Abstract: A pharmaceutical composition containing a triazole compound which is (2R,3R)-3-[[trans-2-[(1E,3E)-4-(4-cyano-2-fluorophenyl)-1,3-butadien-1-yl]-1,3-dioxan-5-yl]thio]-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol and at least one pharmaceutically acceptable basic substance, wherein a ratio of the triazole compound to the basic substance is 1:0.01 to 1:10; the triazole compound is in an amount of 1 to 2000 mg; and the composition has an improved stability compared to the stability of the triazole compound by itself.
    Type: Application
    Filed: December 5, 2005
    Publication date: June 1, 2006
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Shuichi Yada, Yuko Oh-Uchi