Patents by Inventor Yong-Cho Hwang

Yong-Cho Hwang 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: 11657363
    Abstract: The present disclosure provides a computerized method for assigning items to pickers including: determining a priority of an ordered item; inserting the item into an ordered data structure based on the priority of the item; iteratively, for items in the ordered data structure: determining an item physical location corresponding to a first unassigned item in the ordered data structure; determining a plurality of picker physical locations corresponding to locations of user devices of pickers; calculating a plurality of distances between the item physical location and picker physical locations among the plurality of picker physical locations; assigning the first unassigned item by: identifying a closest picker corresponding to a shortest distance of the plurality of distances; selecting the identified picker; correlating the first unassigned item with the selected picker in a data structure; and sending information of the item and physical location to the user device of the picker.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: May 23, 2023
    Assignee: Coupang Corp.
    Inventors: Sung Jin Park, Chang Geun Jin, Lianxi Bai, Seon Sook Hong, Kyeong Suk Jin, Eung Soo Lee, Woong Kim, Xiufang Zhu, Zhongnan Li, Leming Lv, Jaehyun Kim, Yong-Cho Hwang, Erik Rehn
  • Publication number: 20220292586
    Abstract: The present disclosure provides a computerized method item correlation including: receiving an indication of an order comprising at least one item; determining if the order is urgent based on an amount of time remaining until the items must ship to a customer; determining a location of each of a plurality of pickers; iteratively, for items in the order: identifying a picker closest to the item, the picker having a current job priority; correlating the closest picker and the item in a data structure; re-correlating, in the data structure, at least one item previously correlated with the closest picker to an alternate picker in response to the current job priority not being urgent; sending, to a user device of the closest picker, a location and item identifier associated with the item; and storing, in the data structure, a completion flag in correlation with the item upon receipt of an item-complete message.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 15, 2022
    Inventors: CHANG GEUN JIN, LIANXI BAI, SUNG JIN PARK, SANG HO LEE, HYUN YOP JUNG, JEONG SEOK OH, SUN HEE HWANG, EUNG SOO LEE, WOONG KIM, XIUFANG ZHU, ZHONGNAN LI, LEMING LV, JAEHYUN KIM, YONG-CHO HWANG, ERIK REHN
  • Patent number: 11379907
    Abstract: The present disclosure provides a computerized method item correlation including: receiving an indication of an order comprising at least one item; determining if the order is urgent based on an amount of time remaining until the items must ship to a customer; determining a location of each of a plurality of pickers; iteratively, for items in the order: identifying a picker closest to the item, the picker having a current job priority; correlating the closest picker and the item in a data structure; re-correlating, in the data structure, at least one item previously correlated with the closest picker to an alternate picker in response to the current job priority not being urgent; sending, to a user device of the closest picker, a location and item identifier associated with the item; and storing, in the data structure, a completion flag in correlation with the item upon receipt of an item-complete message.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: July 5, 2022
    Assignee: COUPANG CORP.
    Inventors: Chang Geun Jin, Lianxi Bai, Sung Jin Park, Sang Ho Lee, Hyun Yop Jung, Jeong Seok Oh, Sun Hee Hwang, Eung Soo Lee, Woong Kim, Xiufang Zhu, Zhongnan Li, Leming Lv, Jaehyun Kim, Yong-Cho Hwang, Erik Rehn
  • Publication number: 20220188910
    Abstract: The present disclosure provides a computerized method item correlation including: receiving an indication of an order comprising at least one item; determining if the order is urgent based on an amount of time remaining until the items must ship to a customer; determining a location of each of a plurality of pickers; iteratively, for items in the order: identifying a picker closest to the item, the picker having a current job priority; correlating the closest picker and the item in a data structure; re-correlating, in the data structure, at least one item previously correlated with the closest picker to an alternate picker in response to the current job priority not being urgent; sending, to a user device of the closest picker, a location and item identifier associated with the item; and storing, in the data structure, a completion flag in correlation with the item upon receipt of an item-complete message.
    Type: Application
    Filed: December 11, 2020
    Publication date: June 16, 2022
    Inventors: CHANG GEUN JIN, Lianxi BAI, Sung Jin PARK, Sang Ho LEE, Hyun Yop JUNG, Jeong Seok OH, Sun Hee HWANG, Eung Soo LEE, Woong KIM, Xiufang ZHU, Zhongnan LI, Leming LV, Jaehyun KIM, Yong-Cho HWANG, Erik REHN
  • Publication number: 20220129848
    Abstract: The present disclosure provides a computerized method for assigning items to pickers including: determining a priority of an ordered item; inserting the item into an ordered data structure based on the priority of the item; iteratively, for items in the ordered data structure: determining an item physical location corresponding to a first unassigned item in the ordered data structure; determining a plurality of picker physical locations corresponding to locations of user devices of pickers; calculating a plurality of distances between the item physical location and picker physical locations among the plurality of picker physical locations; assigning the first unassigned item by: identifying a closest picker corresponding to a shortest distance of the plurality of distances; selecting the identified picker; correlating the first unassigned item with the selected picker in a data structure; and sending information of the item and physical location to the user device of the picker.
    Type: Application
    Filed: October 4, 2021
    Publication date: April 28, 2022
    Inventors: Sung Jin PARK, Chang Geun JIN, Lianxi BAI, Seon Sook HONG, Kyeong Suk JIN, Eung Soo LEE, Woong KIM, Xiufang ZHU, Zhongnan LI, Leming LV, Jaehyun KIM, Yong-Cho HWANG, Erik REHN
  • Patent number: 11176513
    Abstract: The present disclosure provides a computerized method for assigning items to pickers including: determining a priority of an ordered item; inserting the item into an ordered data structure based on the priority of the item; iteratively, for items in the ordered data structure: determining an item physical location corresponding to a first unassigned item in the ordered data structure; determining a plurality of picker physical locations corresponding to locations of user devices of pickers; calculating a plurality of distances between the item physical location and picker physical locations among the plurality of picker physical locations; assigning the first unassigned item by: identifying a closest picker corresponding to a shortest distance of the plurality of distances; selecting the identified picker; correlating the first unassigned item with the selected picker in a data structure; and sending information of the item and physical location to the user device of the picker.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: November 16, 2021
    Assignee: Coupang Corp.
    Inventors: Sung Jin Park, Chang Geun Jin, Lianxi Bai, Seon Sook Hong, Kyeong Suk Jin, Eung Soo Lee, Woong Kim, Xiufang Zhu, Zhongnan Li, Leming Lv, Jaehyun Kim, Yong-Cho Hwang, Erik Rehn