Patents by Inventor Kwon Ung HWANG

Kwon Ung HWANG 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).

  • Titanum filter for syringes and its manufacturing method
    Patent number: 10888663
    Abstract: Provided is a titanium filter for syringes and its manufacturing method, more particularly, a titanium filter for syringes which has an improved filtering power and high safety and its manufacturing method. The titanium filter for syringes comprises: a first body having a hollow hole formed on the inner side thereof; and a second body configured to extend in the longitudinal direction of the first body and to cover one side of the hollow hole, wherein the first body and the second body are composed of titanium powders.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: January 12, 2021
    Assignee: HANATECH CO., LTD.
    Inventors: Chang Hwan Bae, Gun Suk In, Hong Jin Kim, Kwon Ung Hwang
  • TITANUM FILTER FOR SYRINGES AND ITS MANUFACTURING METHOD
    Publication number: 20200046903
    Abstract: Provided is a titanium filter for syringes and its manufacturing method, more particularly, a titanium filter for syringes which has an improved filtering power and high safety and its manufacturing method. The titanium filter for syringes comprises: a first body having a hollow hole formed on the inner side thereof; and a second body configured to extend in the longitudinal direction of the first body and to cover one side of the hollow hole, wherein the first body and the second body are composed of titanium powders.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 13, 2020
    Inventors: Chang Hwan BAE, Gun Suk IN, Hong Jin KIM, Kwon Ung HWANG