Patents by Inventor Meoung Jun Park

Meoung Jun Park 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).

  • Gastroretentive drug delivery device having expandable structure and manufacturing method therefor
    Patent number: 11511093
    Abstract: The present disclosure provides a gastroretentive drug delivery device having an expandable structure. The drug delivery device includes: a capsule body; an arm moving part movable within the capsule body; an elastic body positioned between one end of the capsule body and the arm moving part and acting to move the arm moving part toward the other end of the capsule body; an arm support part movable within the capsule body; a capsule cap configured to engage the other end of the capsule body; a rail formed within the capsule body; and an arm configured to be unfolded by longitudinal movement of the arm moving part and move along the rail. A disintegrable immediate-release formulation is positioned between the arm moving part and the arm support part. A disintegrable sustained-release formulation is positioned between the arm support part and the capsule cap.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: November 29, 2022
    Assignees: WONKWANG UNIVERSITY CENTER FOR INDUSTRY ACADEMY COOPERATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Soyoung Shin, Beom Soo Shin, Seung Eun Chung, Meoung Jun Park
  • GASTRORETENTIVE DRUG DELIVERY DEVICE HAVING EXPANDABLE STRUCTURE AND MANUFACTURING METHOD THEREFOR
    Publication number: 20210106799
    Abstract: The present disclosure provides a gastroretentive drug delivery device having an expandable structure. The drug delivery device includes: a capsule body; an arm moving part movable within the capsule body; an elastic body positioned between one end of the capsule body and the arm moving part and acting to move the arm moving part toward the other end of the capsule body; an arm support part movable within the capsule body; a capsule cap configured to engage the other end of the capsule body; a rail formed within the capsule body; and an arm configured to be unfolded by longitudinal movement of the arm moving part and move along the rail. A disintegrable immediate-release formulation is positioned between the arm moving part and the arm support part. A disintegrable sustained-release formulation is positioned between the arm support part and the capsule cap.
    Type: Application
    Filed: September 23, 2020
    Publication date: April 15, 2021
    Inventors: Soyoung Shin, Beom Soo Shin, Seung Eun Chung, Meoung Jun Park