Patents by Inventor Yong-Hwan Park

Yong-Hwan 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).

  • Publication number: 20240361870
    Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Sang Hyun CHOI, Yong Hwan PARK, Kwang Soo BAE, Chaun Gi CHOI, Sang Hyun HAN
  • Publication number: 20240361896
    Abstract: A portable display device includes a display panel displaying an image with pixels of a display area, a touch sensor disposed in a front surface direction of the display area and a non-display area of the display panel, a touch driving circuit driving touch electrodes of the touch sensor to detect a touch occurrence position of at least one point, a touch movement direction, and a movement distance and generating touch coordinate data according to a detection result, and a display driving circuit displaying an icon or a menu bar in the display area so that a user controls a screen control function and an operation control function of the display panel according to the touch occurrence position of the at least one point, the touch movement direction, and the movement distance.
    Type: Application
    Filed: December 28, 2023
    Publication date: October 31, 2024
    Inventors: Che Ryong HWANG, Doo Hwan KIM, Yong Eun PARK, Sun Jung YOON, Kyeong Geun LEE, Yun Joo YIM, Sun Ho CHA
  • Publication number: 20240364021
    Abstract: According to one embodiment of the present disclosure, an antenna device comprising: a plate; a first dielectric plate coupled to one surface of the plate; a plurality of radiation elements arranged along a first direction on the first dielectric plate; and a plurality of first feed lines configured to supply power to the plurality of radiation elements and having an air-strip line structure, wherein the first dielectric plate includes a first groove penetrating upper and lower surfaces of the first dielectric plate and configured to allow the first feed line to float therein, and the first feed line is configured to float in the first groove.
    Type: Application
    Filed: July 5, 2024
    Publication date: October 31, 2024
    Applicant: KMW INC.
    Inventors: Sung Hwan SO, Oh Seog CHOI, Yong Won SEO, Seong Man KANG, Hyoung Seok YANG, Eui Seong CHOI, Hwa Yeol JANG, Myung Hwa KIM, Jang Soon PARK, Yong Sang LEE
  • Publication number: 20240360372
    Abstract: The present invention disclosure relates to a method for producing refined hydrocarbons from waste plastics, the method including: a pretreatment process; a pyrolysis process; a lightening process; a dehydration process; a hydrotreating process; and a distillation process. Further, the present invention disclosure relates to a system for producing refined hydrocarbons from waste plastics.
    Type: Application
    Filed: January 9, 2024
    Publication date: October 31, 2024
    Inventors: Sang Hwan JO, Soo Kil KANG, Yong Woon KIM, Min Gyoo PARK, Min Woo SHIN, Jin Seong JANG
  • Publication number: 20240360373
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and associated system provide for pretreating waste plastics; a producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and coking the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 31, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352322
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastics. The method and system for producing refined hydrocarbons from waste plastics according to the embodiments of the present disclosure may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented, and may produce refined hydrocarbons having a low content of impurities, a low content of olefins, and a high octane number from waste plastics.
    Type: Application
    Filed: February 16, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240352329
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor, producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and dewaxing the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352323
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastics. The method and system for producing refined hydrocarbons from waste plastics according to the embodiments of the present disclosure may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented, and may produce lightened refined hydrocarbons having excellent quality due to a significantly low content of impurities and a significantly low content of olefins from waste plastics.
    Type: Application
    Filed: February 19, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240352324
    Abstract: Embodiments of the present disclosure relate to a method for producing refined hydrocarbons from waste plastics, the method including: a pretreatment process of pretreating waste plastics; a pyrolysis process of producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; a lightening process of producing pyrolysis oil by introducing the pyrolysis gas into a hot filter; and a distillation process of distilling the pyrolysis oil to obtain refined hydrocarbons, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor, and a system for producing refined hydrocarbons from waste plastics.
    Type: Application
    Filed: January 15, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Soo Kil KANG, Yong Woon KIM, Min Gyoo PARK, Min Woo SHIN, Jin Seong JANG
  • Publication number: 20240352326
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastics. The method and system for producing refined hydrocarbons from waste plastics according to the embodiments of the present disclosure may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, refined hydrocarbons having excellent quality of a significantly low content of impurities and a significantly low content of olefins, and a high octane number may be produced.
    Type: Application
    Filed: February 16, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240352330
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and alkylating a mixed solution obtained by mixing the pyrolysis oil and olefins, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240351869
    Abstract: A method and associated system for producing syngas containing hydrogen from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and gasifying the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces syngas containing hydrogen from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352345
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and subjecting the pyrolysis oil to solvent extraction, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240351871
    Abstract: A method and associated system for producing syngas containing hydrogen from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing from a lightening reaction a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and gasifying the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352335
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and dewaxing the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 15, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240351870
    Abstract: Embodiments of the present disclosure relate to a method and system for producing syngas containing hydrogen from waste plastic pyrolysis oil. The method and system for producing syngas containing hydrogen from waste plastic pyrolysis oil according to the embodiments of the present disclosure may minimize formation of an ammonium salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. The method and system for producing syngas containing hydrogen according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because a catalyst used in the process is prevented from being deactivated, and may produce lightened and refined hydrocarbons having a low content of impurities and a low content of olefins from waste plastic pyrolysis oil and may thus produce syngas containing hydrogen.
    Type: Application
    Filed: February 6, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240352331
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and a coking process of coking the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352328
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastics. The method and system for producing refined hydrocarbons from waste plastics according to the embodiments of the present disclosure may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. The method and system for producing refined hydrocarbons according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because a catalyst used in the process is prevented from being deactivated, and may produce lightened and refined hydrocarbons having a low content of impurities and a low content of olefins from waste plastics.
    Type: Application
    Filed: February 21, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240352361
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastic pyrolysis oil. The method and system for producing refined hydrocarbons from waste plastic pyrolysis oil according to the embodiments of the present disclosure may minimize formation of an ammonium salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the embodiments of the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented and may produce refined hydrocarbons having a low content of impurities and a high octane number from waste plastic pyrolysis oil.
    Type: Application
    Filed: February 7, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO
  • Publication number: 20240351872
    Abstract: The embodiments of the present disclosure relate to a method and system for producing syngas containing hydrogen from waste plastics. The method and system for producing syngas containing hydrogen from waste plastics according to the embodiments may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing syngas containing hydrogen from waste plastics according to the embodiments may prevent deactivation of a catalyst used in a process, such that the refining efficiency may be excellent, and the process may be operated for a long period of time.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Inventors: Yong Woon KIM, Seo Yeong KANG, Soo Kil KANG, Min Gyoo PARK, Young Moo PARK, Min Woo SHIN, Jae Hwan LEE, Jin Seong JANG, Sang Hwan JO