Patents by Inventor Un-Ha Park

Un-Ha 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).

  • NI CATALYST FOR AMMONIA DECOMPOSITION FOR HYDROGEN PRODUCTION AND MANUFACTURING METHOD THEREOF
    Publication number: 20240157351
    Abstract: An example of the present invention provides a metal composite catalyst for ammonia decomposition and hydrogen production including a carrier; and Ni metal particles dispersed on a surface of the carrier or inside a pore, in which a content of the Ni metal particle is 15 to 70 parts by weight with reference to 100 parts by weight of the metal composite catalyst, and a diameter of the Ni metal particle is 60 nm or less. More specifically, the metal composite catalyst according to an example of the present invention is manufactured by an ultrasonic method, includes an aging step, and exhibits high efficiency and economy in ammonia decomposition and hydrogen production processes.
    Type: Application
    Filed: September 5, 2023
    Publication date: May 16, 2024
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kee Young KOO, Ji Yu KIM, Un Ho JUNG, Yong Ha PARK
  • Picture frame
    Patent number: D527193
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: August 29, 2006
    Assignee: Bowon Trading Co., Ltd.
    Inventor: Un-Ha Park
  • Picture frame
    Patent number: D471366
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: March 11, 2003
    Inventor: Un-Ha Park
  • Photo album
    Patent number: D545894
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: July 3, 2007
    Assignee: Bowon Trading Co., Ltd.
    Inventor: Un-Ha Park
  • Photo album
    Patent number: D477361
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: July 15, 2003
    Inventor: Un-Ha Park