Patents by Inventor Yong Joon Han

Yong Joon Han 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).

  • TAGLESS MOBILE TICKET SERVICE METHOD
    Publication number: 20240161549
    Abstract: Provided is a tagless mobile ticket service method, which enables a user possessing a wireless terminal, in which a payment application capable of paving bills is installed, to pay for usage fees without being tagged at a ticket gate machine, The tagless mobile ticket service method includes: a user entry detecting step in which a ticket gate machine senses that a user possessing a user terminal accesses a ticket gate; a user information processing step in which bill payment information is acquired from the user terminal; a validity confirmation step in which the validity of the bill payment information is determined; and a user fee processing step in which a door is opened and a bill is paid using the bill payment information, if it is determined that the bill payment information is valid.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 16, 2024
    Inventors: Yong Hwan LEE, Jin Seok HAN, Jae Seok BANG, Hyun Joon LEE
  • NOVEL NAPHTHYRIDINONE DERIVATIVE HAVING INHIBITORY ACTIVITY AGAINST ECTONUCLEOTIDE PYROPHOSPHATASE-PHOSPHODIESTERASE AND USE THEREOF
    Publication number: 20240140944
    Abstract: The present invention relates to a novel naphthyridinone derivative compound, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are each relevant to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.
    Type: Application
    Filed: December 29, 2021
    Publication date: May 2, 2024
    Applicant: TXINNO BIOSCIENCE INC.
    Inventors: Seo Jung Han, Chan Sun Park, Sung Joon Kim, Jae Eun Cheong, Jung Hwan Choi, Ali Imran, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
  • DRUG DISCHARGE ASSEMBLY AND DRUG INJECTION DEVICE COMPRISING SAME
    Publication number: 20220176034
    Abstract: The present disclosure provides a drug discharge assembly including a drive piece linearly reciprocated along one direction, a rotating unit being in contact with an end of the drive piece and rotating in one direction according to a linear reciprocating motion of the drive piece, a flexible tube disposed adjacent to the rotating unit and having a curved section at least partially extending in a circumferential direction, and a pressing unit mounted on the rotating unit and rotating while pressing the tube according to a rotation of the rotating unit, and a drug injection device comprising the same.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 9, 2022
    Inventors: Jesse Jae Jin Kim, Yong Joon Han
  • Two-way display-type liquid crystal display device
    Patent number: 6801271
    Abstract: Disclosed is a two-way display-type liquid crystal display device.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: October 5, 2004
    Assignee: PanTech, Co., Ltd.
    Inventors: Sang Hoon Han, Hyun Jung Jeong, Yong Joon Han
  • Two-way display-type liquid crystal display device
    Publication number: 20030103174
    Abstract: Disclosed is a two-way display-type liquid crystal display device.
    Type: Application
    Filed: August 8, 2002
    Publication date: June 5, 2003
    Inventors: Sang Hoon Han, Hyun Jung Jeong, Yong Joon Han