Patents by Inventor Young Ja CHO

Young Ja CHO 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).

  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Smoke processing device
    Patent number: 10197273
    Abstract: The present disclosure relates to a smoke processing device for processing smoke, which is generated by an indoor industrial site, a restaurant, or a heating means that applies heat and generates smoke, the device including at least: a smoke purification means comprising a smoke collector equipped with a smoke movement duct, the smoke movement duct comprising a smoke purifier for purifying smoke, which has been collected by the smoke collector, and discharging the purified smoke, the smoke purification means comprising a hot air movement duct for moving the smoke purified and discharged by the smoke purifier; and a heat exchange means installed on the smoke movement duct to promote heat exchange of smoke collected by the smoke collector such that the smoke is converted to high-temperature smoke and is moved to the smoke purifier.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: February 5, 2019
    Inventor: Young Ja Cho
  • SMOKE PROCESSING DEVICE
    Publication number: 20170051915
    Abstract: The present disclosure relates to a smoke processing device for processing smoke, which is generated by an indoor industrial site, a restaurant, or a heating means that applies heat and generates smoke, the device including at least: a smoke purification means comprising a smoke collector equipped with a smoke movement duct, the smoke movement duct comprising a smoke purifier for purifying smoke, which has been collected by the smoke collector, and discharging the purified smoke, the smoke purification means comprising a hot air movement duct for moving the smoke purified and discharged by the smoke purifier; and a heat exchange means installed on the smoke movement duct to promote heat exchange of smoke collected by the smoke collector such that the smoke is converted to high-temperature smoke and is moved to the smoke purifier.
    Type: Application
    Filed: April 8, 2015
    Publication date: February 23, 2017
    Inventor: Young Ja CHO