Patents by Inventor Sang Hwa Jeong

Sang Hwa Jeong 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: 20240079550
    Abstract: Provided is a flexible air supply damper system for preventing an overdrying-caused defect of a secondary battery electrode plate, the flexible air supply damper system including: a fluid supply unit supplying a fluid; a heating unit heating the fluid supplied through the fluid supply unit; a drying unit drying the electrode plate while receiving the fluid heated through the heating unit; a damper unit splitting the fluid passing through the heating unit to control an amount of the fluid to be introduced into the drying unit; and a discharge unit through which the fluid used in the drying unit and the fluid split out of the damper unit are discharged. By controlling the amount of the fluid to be introduced into the drying unit, the electrode plate is prevented from being overdried.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 7, 2024
    Inventors: Sang Hwa LEE, Se Hun PARK, Hoe Sun JEONG
  • Patent number: 11916219
    Abstract: Provided is a flexible air supply damper system for preventing an overdrying-caused defect of a secondary battery electrode plate, the flexible air supply damper system including: a fluid supply unit supplying a fluid; a heating unit heating the fluid supplied through the fluid supply unit; a drying unit drying the electrode plate while receiving the fluid heated through the heating unit; a damper unit splitting the fluid passing through the heating unit to control an amount of the fluid to be introduced into the drying unit; and a discharge unit through which the fluid used in the drying unit and the fluid split out of the damper unit are discharged. By controlling the amount of the fluid to be introduced into the drying unit, the electrode plate is prevented from being overdried.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: February 27, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Hwa Lee, Se Hun Park, Hoe Sun Jeong
  • Publication number: 20170226474
    Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 10, 2017
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won
  • Patent number: 9616122
    Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: April 11, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won
  • Patent number: 9523069
    Abstract: The present invention relates to a photobioreactor for microalgae cultivation having a bubble circulation structure, which allows gas flowing into a cultivation space to generate a vortex and thus circulate microalgae, thereby improving cultivation efficiency of the microalgae. A photobioreactor for microalgae cultivation according to an embodiment of the present invention includes a cultivation panel major body having the cultivation space into which the microalgae are injected to be cultivated; a gas supply pipe provided at a lower portion of the cultivation panel major body to pass through the cultivation space in a transverse direction and thus discharge inflow gas; and at least one vortex forming partition extending in a transverse direction from an internal wall of the cultivation panel major body and formed to have an arc shape and thus cause a vortex to an ascending current of gas supplied through the gas supply pipe.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: December 20, 2016
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
    Inventors: Sang Hwa Jeong, Jong Rak Park, Jong Tye Kim, Dong Gyu Ahn, Jeong Woo Park
  • Patent number: 9222884
    Abstract: Provided is a hydrogen peroxide sensitive metal nanoparticle including: a metal nanoparticle including a biocompatible metal and a hydrogen peroxide reactive ion which is bonded to a surface of the metal nanoparticle and is oxidized by hydrogen peroxide.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: December 29, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Kyu-hyun Im, No-kyoung Park, Jae-hyun Hur, Sung-jee Kim, Ju-taek Nam, Seong-ho Park, Sang-hwa Jeong
  • Publication number: 20150175946
    Abstract: The present invention relates to a photobioreactor for microalgae cultivation having a bubble circulation structure, which allows gas flowing into a cultivation space to generate a vortex and thus circulate microalgae, thereby improving cultivation efficiency of the microalgae. A photobioreactor for microalgae cultivation according to an embodiment of the present invention includes a cultivation panel major body having the cultivation space into which the microalgae are injected to be cultivated; a gas supply pipe provided at a lower portion of the cultivation panel major body to pass through the cultivation space in a transverse direction and thus discharge inflow gas; and at least one vortex forming partition extending in a transverse direction from an internal wall of the cultivation panel major body and formed to have an arc shape and thus cause a vortex to an ascending current of gas supplied through the gas supply pipe.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventors: Sang Hwa Jeong, Jong Rak Park, Jong Tye Kim, Dong Gyu Ahn, Jeong Woo Park
  • Publication number: 20150086717
    Abstract: Disclosed is a mass-production method of a real spin golf ball. The mass-production method includes (a) preparing a plurality of golf balls securely mounted in a frame and installed at a level state in a water tub, (b) filling salt water having specific gravity higher than specific gravity of water in the water tub until the golf balls are separated from the frame to float, (c) discharging the salt water filled in the water tub in a state that the floating golf balls are stopped such that the golf balls are not shaken, and securely mounting the golf balls in the frame, and (d) marking putting lines passing through upper centers of the golf balls, thereby ensuring real straightness in putting, so that the putting is exactly performed.
    Type: Application
    Filed: November 14, 2012
    Publication date: March 26, 2015
    Inventor: Sang Hwa JEONG
  • Publication number: 20140065718
    Abstract: Provided is a hydrogen peroxide sensitive metal nanoparticle including: a metal nanoparticle including a biocompatible metal and a hydrogen peroxide reactive ion which is bonded to a surface of the metal nanoparticle and is oxidized by hydrogen peroxide.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 6, 2014
    Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, Samsung Electronics Co., Ltd.
    Inventors: Kyu-hyun IM, No-kyoung PARK, Jae-hyun HUR, Sung-jee KIM, Ju-taek NAM, Seong-ho PARK, Sang-hwa JEONG
  • Publication number: 20110269170
    Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.
    Type: Application
    Filed: July 3, 2009
    Publication date: November 3, 2011
    Applicant: Postech Academy-Industry Foundation
    Inventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won