Patents by Inventor Ryoichi Hayakawa

Ryoichi Hayakawa 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).

  • Pharmaceutical composition having abuse deterrent properties
    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
  • Orally disintegrating tablet and production process therefor
    Patent number: 9827200
    Abstract: Provided are an orally disintegrating tablet that quickly disintegrates when it is placed in the mouth or put into water, provides favorable taste, has a sufficient hardness in general production, transportation and use and is excellent in terms of storage stability, and a process for the production of the same which is excellent in terms of industrial production. An orally disintegrating tablet containing a drug, a crystalline cellulose having a bulk density of 0.23 g/cm3 or less (preferably from 0.10 g/cm3 to 0.23 g/cm3), a sugar alcohol and a pregelatinized starch.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: November 28, 2017
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Gaku Sekiguchi, Ryoichi Hayakawa, Yoshihiro Hara
  • PHARMACEUTICAL COMPOSITION HAVING ABUSE DETERRENT PROPERTIES
    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
  • ORALLY DISINTEGRATING TABLET AND PRODUCTION PROCESS THEREFOR
    Publication number: 20150110880
    Abstract: Provided are an orally disintegrating tablet that quickly disintegrates when it is placed in the mouth or put into water, provides favorable taste, has a sufficient hardness in general production, transportation and use and is excellent in terms of storage stability, and a process for the production of the same which is excellent in terms of industrial production. An orally disintegrating tablet containing a drug, a crystalline cellulose having a bulk density of 0.23 g/cm3 or less (preferably from 0.10 g/cm3 to 0.23 g/cm3), a sugar alcohol and a pregelatinized starch.
    Type: Application
    Filed: April 23, 2013
    Publication date: April 23, 2015
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Gaku Sekiguchi, Ryoichi Hayakawa, Yoshihiro Hara