Patents by Inventor Yeon-Soo Seong

Yeon-Soo Seong 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: 11877973
    Abstract: A massage ball assembly is for a massage chair. The massage ball assembly includes: a main frame; one or more tilting frames mounted to be rotatable with respect to the main frame; massage balls each mounted on the one or more tilting frames; and heating balls each mounted on the one or more tilting frames.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: January 23, 2024
    Assignee: COWAY CO., LTD.
    Inventors: Kyung Hwan Park, Yeon Soo Seong
  • Publication number: 20230422356
    Abstract: Disclosed are a power conversion device for an electric range, and a control method thereof. The control method according to one embodiment of the present invention comprises: receiving a user's selection of the number of outputs through an interface unit, and determining the resonance frequency from the number of outputs and an object to be heated; comparing a rectified voltage and the voltage at both ends of a switching element, and generating a switching timing reference signal; and determining a delay time according to the difference between the resonance frequency and the frequency of the switching timing reference signal, and outputting a switching control signal that turns on after the delay time has passed since the falling edge of the switching timing reference signal.
    Type: Application
    Filed: October 8, 2021
    Publication date: December 28, 2023
    Applicant: COWAY CO., LTD.
    Inventors: Young Kook KIM, Kyo Eon OH, Yeon Soo SEONG, Eui Soon LEE
  • Publication number: 20230225017
    Abstract: The present invention provides an electric stove having a single free-zone burner, the electric stove comprising: a controller which outputs a first output signal comprising a first output level signal and a first synchronization signal, and a second output signal comprising a second output level signal and a second synchronization signal; a first inverter which successively receives the first output signal and second synchronization signal, and outputs first high-frequency power to a first working coil; and a second inverter which successively receives the first synchronization signal and second output signal, and outputs second high-frequency power to a second working coil, wherein the first inverter and second inverter simultaneously output first high-frequency power and second high-frequency power when the first synchronization signal and second synchronization signal are both received.
    Type: Application
    Filed: May 31, 2021
    Publication date: July 13, 2023
    Applicant: COWAY CO., LTD.
    Inventors: Young Kook KIM, Yeon Soo SEONG, Kyo Eon OH, Eui Soon LEE
  • Publication number: 20230217552
    Abstract: Disclosed are a power conversion device, an electric range including same, and a control method therefor.
    Type: Application
    Filed: May 31, 2021
    Publication date: July 6, 2023
    Applicant: COWAY CO., LTD.
    Inventors: Young Kook KIM, Yeon Soo SEONG, Kyo Eon OH, Eui Soon LEE
  • Patent number: 11534368
    Abstract: Disclosed is a massage chair capable of performing acupuncture point massage.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 27, 2022
    Assignee: COWAY CO., LTD.
    Inventors: Kyung Hwan Park, Yeon Soo Seong, Byoung Chan Bae
  • Patent number: 11224554
    Abstract: A heating assembly for a massage chair, wherein a heating element is separately operated. The heating assembly according to an embodiment having a first bracket with a plurality of massage balls rotatably mounted to the first bracket. A massage assembly is fixed to the first bracket and can perform at least one of up-and-down and left-and-right motions. A second bracket is mounted to the massage assembly or the first bracket A support part inserted at one end thereof into the second bracket. A heating element is mounted to the support part and an airbag is fixed to the support part so as to be opposite to the heating element. Wherein the heating assembly is mounted inside the backrest of a massage chair.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: January 18, 2022
    Assignee: COWAY CO., LTD.
    Inventors: Kyung Hwan Park, Chang Hee Han, Jin Won Park, Yeon Soo Seong, Byoung Chan Bae, Joong Keun An
  • Patent number: 11103673
    Abstract: A method is provided for operating a sleep mode of a massage chair, which is capable of implementing a sleep mode according to progressive muscle relaxation, and a massage chair for the method is also provided.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: August 31, 2021
    Assignee: Coway Co., Ltd.
    Inventors: Byoung Chan Bae, Yeon Soo Seong, Ji Hoon Hyun, Sun Young Lee, Ju Hyun Baek, Joong Keun An
  • Patent number: 10905275
    Abstract: A juicer having a juice extracting screw assembly, in which a housing with a juice extracting screw installed in the housing has a simplified interior structure, thereby reducing the production cost of the juicer and easily dispensing juice and residue separately using respective passages.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 2, 2021
    Inventors: Dae Jung Jeong, Eui Seong Jeong, Yeon Soo Seong
  • Publication number: 20200397651
    Abstract: A massage ball assembly is for a massage chair. The massage ball assembly includes: a main frame; one or more tilting frames mounted to be rotatable with respect to the main frame; massage balls each mounted on the one or more tilting frames; and heating balls each mounted on the one or more tilting frames.
    Type: Application
    Filed: March 5, 2019
    Publication date: December 24, 2020
    Applicant: COWAY CO., LTD.
    Inventors: Kyung Hwan PARK, Yeon Soo SEONG
  • Publication number: 20200170882
    Abstract: Disclosed is a massage chair capable of performing acupuncture point massage.
    Type: Application
    Filed: July 6, 2018
    Publication date: June 4, 2020
    Applicant: COWAY CO., LTD.
    Inventors: Kyung Hwan PARK, Yeon Soo SEONG, Byoung Chan BAE
  • Publication number: 20190374425
    Abstract: A heating assembly for a massage chair, wherein a heating element is separately operated. The heating assembly according to an embodiment having a first bracket with a plurality of massage balls rotatably mounted to the first bracket. A massage assembly is fixed to the first bracket and can perform at least one of up-and-down and left-and-right motions. A second bracket is mounted to the massage assembly or the first bracket A support part inserted at one end thereof into the second bracket. A heating element is mounted to the support part and an airbag is fixed to the support part so as to be opposite to the heating element. Wherein the heating assembly is mounted inside the backrest of a massage chair.
    Type: Application
    Filed: January 4, 2018
    Publication date: December 12, 2019
    Applicant: Coway Co., Ltd.
    Inventors: Kyung Hwan PARK, Chang Hee HAN, Jin Won PARK, Yeon Soo SEONG, Byoung Chan BAE, Joong Keun AN
  • Publication number: 20190160253
    Abstract: A method is provided for operating a sleep mode of a massage chair, which is capable of implementing a sleep mode according to progressive muscle relaxation, and a massage chair for the method is also provided.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 30, 2019
    Applicant: Coway Co., Ltd.
    Inventors: Byoung Chan BAE, Yeon Soo SEONG, Ji Hoon HYUN, Sun Young LEE, Ju Hyun BAEK, Joong Keun AN
  • Publication number: 20180008078
    Abstract: A juicer having a juice extracting screw assembly, in which a housing with a juice extracting screw installed in the housing has a simplified interior structure, thereby reducing the production cost of the juicer and easily dispensing juice and residue separately using respective passages.
    Type: Application
    Filed: September 20, 2017
    Publication date: January 11, 2018
    Inventors: Dae Jung Jeong, Eui Seong Jeong, Yeon Soo Seong
  • Patent number: 9788676
    Abstract: The present disclosure relates to a juicer having a housing and a juice extracting screw assembly. In one implementation, the juice extracting screw assembly may include a juice extracting screw and a strainer.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: October 17, 2017
    Assignee: Coway Co., Ltd.
    Inventors: Dae Jung Jeong, Eui Seong Jeong, Yeon Soo Seong
  • Publication number: 20130284034
    Abstract: A juicer having a juice extracting screw assembly, in which a housing with a juice extracting screw installed in the housing has a simplified interior structure, thereby reducing the production cost of the juicer and easily dispensing juice and residue separately using respective passages.
    Type: Application
    Filed: October 24, 2011
    Publication date: October 31, 2013
    Applicant: COWAY CO., LTD.
    Inventors: Dae Jung Jeong, Eui Seong Jeong, Yeon Soo Seong
  • Patent number: 7069923
    Abstract: Disclosed are an apparatus and method of automatically operating a fan motor when a grill is used in a downdraft gas range and, more particularly, an apparatus and method of enabling a user to arbitrarily adjust the wind during automatic fan motor operation. The present invention is configured to be able to adjust the speed of the fan motor by variously operating the state of the fan switch during the use of the grill. The downdraft gas range is capable of controlling the speed of the fan motor during the automatic operation by automatically operating the fan motor even when the fan switch is open during the use of the grill and enabling the user to select the speed of the fan motor during the use of the grill.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: July 4, 2006
    Assignee: Paseco Co., Ltd.
    Inventor: Yeon-Soo Seong
  • Publication number: 20050088128
    Abstract: Disclosed are an apparatus and method of automatically operating a fan motor when a grill is used in a downdraft gas range and, more particularly, an apparatus and method of enabling a user to arbitrarily adjust the wind during automatic fan motor operation. The present invention is configured to be able to adjust the speed of the fan motor by variously operating the state of the fan switch during the use of the grill. The downdraft gas range is capable of controlling the speed of the fan motor during the automatic operation by automatically operating the fan motor even when the fan switch is open during the use of the grill and enabling the user to select the speed of the fan motor during the use of the grill.
    Type: Application
    Filed: October 28, 2004
    Publication date: April 28, 2005
    Inventor: Yeon-Soo Seong