Patents by Inventor Chil Park

Chil 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).

  • Patent number: 12091326
    Abstract: A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: September 17, 2024
    Assignee: KOREA ZINC CO., LTD.
    Inventors: Min Ji Kim, Sang Chil Park
  • Publication number: 20240286920
    Abstract: A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 29, 2024
    Inventors: Min Ji KIM, Sang Chil PARK
  • Publication number: 20240076199
    Abstract: A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 7, 2024
    Inventors: Min Ji KIM, Sang Chil PARK
  • Patent number: 11607347
    Abstract: A thermoplastic cast according to an embodiment of the present invention includes a structure having a mesh form and a thermoplastic property, an outer cover provided on an outer surface of the structure, a buffer pad provided on an outer surface of the outer cover and having elasticity, and a finishing material provided on an outer surface of the buffer pad and configured to come into contact with a user's body. Melting points of the outer cover, the buffer pad, and the finishing material are higher than that of the structure. The finishing material has a porosity different from that of the buffer pad.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 21, 2023
    Assignee: OPENM INC.
    Inventor: Jong Chil Park
  • Publication number: 20180055695
    Abstract: A thermoplastic cast according to an embodiment of the present invention includes a structure having a mesh form and a thermoplastic property, an outer cover provided on an outer surface of the structure, a buffer pad provided on an outer surface of the outer cover and having elasticity, and a finishing material provided on an outer surface of the buffer pad and configured to come into contact with a user's body. Melting points of the outer cover, the buffer pad, and the finishing material are higher than that of the structure. The finishing material has a porosity different from that of the buffer pad.
    Type: Application
    Filed: August 3, 2016
    Publication date: March 1, 2018
    Applicant: OPENM INC.
    Inventor: Jong Chil PARK
  • Publication number: 20140184168
    Abstract: Provided are an apparatus and method for equalizing energy of battery cells. The apparatus includes a cell balancing controller, a cell balancing executor, and a temperature detector. The cell balancing controller detects a voltage of each of a plurality of cells included in a battery pack and, when a cell requiring cell balancing is extracted, decides a balancing duty to execute discharging control. The cell balancing executor discharges a voltage charged in each cell according to a cell balancing duty signal applied from the cell balancing controller. The temperature detector continuously monitors a temperature of the cell balancing executor to supply the monitored result to the cell balancing controller, and decides the balancing duty on the basis of a cell voltage differential and the temperature of the cell balancing executor.
    Type: Application
    Filed: October 1, 2013
    Publication date: July 3, 2014
    Applicant: HYUNDAI MOBIS CO.,LTD.
    Inventor: Sang Chil Park
  • Publication number: 20070080420
    Abstract: A submount substrate for mounting a light emitting device and a method of fabricating the same, wherein since a submount substrate for mouthing a light emitting device in which a Zener diode device is integrated can be fabricated by means of a silicon bulk micromachining process without using a diffusion mask, some steps of processes related to the diffusion mask can be eliminated to reduce the manufacturing costs, and wherein since a light emitting device can be flip-chip bonded directly to a submount substrate for a light emitting device in which a Zener diode device is integrated, a process of packaging the light emitting device and the voltage regulator device can be simplified.
    Type: Application
    Filed: December 5, 2006
    Publication date: April 12, 2007
    Inventors: Geun Kim, Chil Park
  • Publication number: 20060006430
    Abstract: A submount substrate for mounting a light emitting device and a method of fabricating the same, wherein since a submount substrate for mouthing a light emitting device in which a Zener diode device is integrated can be fabricated by means of a silicon bulk micromachining process without using a diffusion mask, some steps of processes related to the diffusion mask can be eliminated to reduce the manufacturing costs, and wherein since a light emitting device can be flip-chip bonded directly to a submount substrate for a light emitting device in which a Zener diode device is integrated, a process of packaging the light emitting device and the voltage regulator device can be simplified.
    Type: Application
    Filed: July 6, 2005
    Publication date: January 12, 2006
    Inventors: Geun Kim, Chil Park
  • Patent number: D837985
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: January 8, 2019
    Assignee: WOORI MATERIAL INC.
    Inventor: Jong Chil Park
  • Patent number: D854172
    Type: Grant
    Filed: December 31, 2016
    Date of Patent: July 16, 2019
    Assignee: WOORI MATERIAL INC.
    Inventor: Jong Chil Park