Patents by Inventor Sung Rak CHOI

Sung Rak CHOI 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).

  • Publication number: 20250104484
    Abstract: The present disclosure provides an electronic toll collection system (ETCS)-supporting integrated digital rear mirror device and an operating method thereof. According to an example embodiment, the digital rear mirror device may include a digital rear mirror module configured to provide a rear view of a vehicle within a single housing and an ETCS module for electronic toll collection for the vehicle. A substrate of the digital rear mirror module and a substrate of the ETCS module may be separately arranged rather than being stacked within the digital rear mirror device. According to another example embodiment, the ETCS module may transmit information received from an external device to the digital rear mirror module, and the digital rear mirror module may display the information while providing the rear view. Here, the information may include at least one of billing information, event information, traffic information, environmental information, and disaster situation information.
    Type: Application
    Filed: September 26, 2024
    Publication date: March 27, 2025
    Inventors: Ho Kwan LEE, Hyun Jin BANG, Tae Hyeong KIM, Sung Rak CHOI, Hyun Chul CHO
  • Publication number: 20250100451
    Abstract: The present disclosure provides a digital rear mirror device capable of adjusting an angle of view while driving a vehicle and an operating method of the same. In the present disclosure, the digital rear mirror device is mounted to a vehicle and is configured to acquire driving information of the vehicle while driving the vehicle, to adjust an angle of view for a rear view video of the vehicle based on the driving information, and to display the rear view video according to the angle of view. The driving information may include at least one of speed information indicating a speed of the vehicle, steering information related to steering of the vehicle, and reverse information indicating whether the vehicle is reversing. The digital rear mirror device may expand or reduce the angle of view based on the driving information, or may move the center of the angle of view.
    Type: Application
    Filed: September 26, 2024
    Publication date: March 27, 2025
    Inventors: Hyun Chul CHO, Hyun Jin BANG, Sung Rak CHOI
  • Patent number: 10278928
    Abstract: The present invention relates to a pharmaceutical composition for forming a film directly on a wound to accelerate wound healing, a use for the same, a treatment method using the same, and a method for preparing the same. The film-forming composition according to the present invention forms a film directly on the wound to increase the adhesion to the wound. The formed thin hydrophilic film protects the wound surface to prevent infection of the wound surface, retains the physiologically active substance useful for wound healing on the wound surface to promote the wound healing, and allow drugs to be continuously delivered to the wound surface. Therefore, the composition according to the present invention has excellent wound healing effect and has excellent usability as it is not absorbed into clothing, bandage, etc., thus effectively replacing conventional gel or ointment formations for delivering physiologically active substances.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 7, 2019
    Assignee: Dong-A Pharmaceutical Co., Ltd
    Inventors: Soon Hoe Kim, Mi Won Son, Sun Woo Jang, Joon Ho Jun, Sang Dug Han, Sung Rak Choi, Dae Hwan Kim, Yong Sung Sohn, Yong Sam Kwon
  • Publication number: 20150374641
    Abstract: The present invention relates to a pharmaceutical composition for forming a film directly on a wound to accelerate wound healing, a use for the same, a treatment method using the same, and a method for preparing the same. The film-forming composition according to the present invention forms a film directly on the wound to increase the adhesion to the wound. The formed thin hydrophilic film protects the wound surface to prevent infection of the wound surface, retains the physiologically active substance useful for wound healing on the wound surface to promote the wound healing, and allow drugs to be continuously delivered to the wound surface. Therefore, the composition according to the present invention has excellent wound healing effect and has excellent usability as it is not absorbed into clothing, bandage, etc., thus effectively replacing conventional gel or ointment formations for delivering physiologically active substances.
    Type: Application
    Filed: February 11, 2014
    Publication date: December 31, 2015
    Inventors: Soon Hoe KIM, Mi Won SON, Sun Woo JANG, Joon Ho JUN, Sang Dug HAN, Sung Rak CHOI, Dae Hwan KIM, Yong Sung SOHN, Yong Sam KWON