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Patent Assignment Assignor Details
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Assignor Name : RYU, JOO-HYUN
Total Assignments: 18
Assignment: 1
Reel/Frame:038860/0026   Pages: 4
Recorded: 06/09/2016
Attorney Dkt #:CSL0036US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KWAK, JAI-HYUN
Exec Dt:
05/09/2016
2
LEE, KYOO-YOUNG
Exec Dt:
05/09/2016
3
CHO, HANG-SIK
Exec Dt:
05/09/2016
4
RYU, JOO-HYUN
Exec Dt:
05/09/2016
5
PARK, MAN-YOUNG
Exec Dt:
05/09/2016
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 790-300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10358691
US20160355903
15103078
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 2
Reel/Frame:040241/0564   Pages: 5
Recorded: 11/07/2016
Attorney Dkt #:095222-0059
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, KYOO-YOUNG
Exec Dt:
09/28/2016
2
KWAK, JAI-HYUN
Exec Dt:
09/28/2016
3
RYU, JOO-HYUN
Exec Dt:
09/28/2016
4
SIN, DONG-SEOUG
Exec Dt:
09/28/2016
5
CHOO, SE-DON
Exec Dt:
09/28/2016
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK, KOREA, REPUBLIC OF 790-300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10519526
US20170051378
15308074
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 3
Reel/Frame:045994/0822   Pages: 4
Recorded: 04/20/2018
Attorney Dkt #:CSL0082US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, KYOO-YOUNG
Exec Dt:
04/16/2018
2
RYU, JOO-HYUN
Exec Dt:
04/16/2018
3
LEE, SEA-WOONG
Exec Dt:
04/16/2018
4
LEE, WON-HWI
Exec Dt:
04/09/2018
5
HWANG, BYUN-MOK
Exec Dt:
04/16/2018
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11203795
US20200248281
15769924
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 4
Reel/Frame:046326/0971   Pages: 4
Recorded: 06/07/2018
Attorney Dkt #:CSL0092US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, SEA-WOONG
Exec Dt:
05/28/2018
2
LEE, KYOO-YOUNG
Exec Dt:
05/30/2018
3
RYU, JOO-HYUN
Exec Dt:
05/30/2018
4
LEE, WON-HWI
Exec Dt:
05/30/2018
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180363084
16060242
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 5
Reel/Frame:046943/0151   Pages: 4
Recorded: 08/24/2018
Attorney Dkt #:CSL0110US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, KYOO-YOUNG
Exec Dt:
08/06/2018
2
LEE, WON-HWI
Exec Dt:
08/03/2018
3
LEE, SEA-WOONG
Exec Dt:
08/06/2018
4
RYU, JOO-HYUN
Exec Dt:
08/06/2018
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190071745
16079722
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 6
Reel/Frame:047246/0559   Pages: 4
Recorded: 10/17/2018
Attorney Dkt #:CSL0111US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, JOO-HYUN
Exec Dt:
09/17/2018
2
KIM, NACK-JOON
Exec Dt:
09/19/2018
3
LEE, SUNG-HAK
Exec Dt:
09/19/2018
4
LEE, WON-HWI
Exec Dt:
09/17/2018
5
LEE, KYOO-YOUNG
Exec Dt:
09/20/2018
6
LEE, SEA-WOONG
Exec Dt:
09/17/2018
Assignees
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
2
POSTECH ACADEMY-INDUSTRY FOUNDATION
77, CHEONGAM-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37673
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10907230
US20190119770
16094323
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 7
Reel/Frame:048172/0325   Pages: 4
Recorded: 11/26/2018
Attorney Dkt #:CSL0114US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, KYOO-YOUNG
Exec Dt:
11/14/2018
2
RYU, JOO-HYUN
Exec Dt:
11/14/2018
3
LEE, SEA-WOONG
Exec Dt:
11/14/2018
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10752968
US20190292615
16304476
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 8
Reel/Frame:048610/0967   Pages: 4
Recorded: 03/15/2019
Attorney Dkt #:CSL0123US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, JOO-HYUN
Exec Dt:
02/07/2019
2
LEE, KYOO-YOUNG
Exec Dt:
02/07/2019
3
LEE, SEA-WOONG
Exec Dt:
02/07/2019
4
LEE, WON-HWI
Exec Dt:
02/07/2019
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11453922
US20190233910
16333778
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 9
Reel/Frame:049098/0824   Pages: 5
Recorded: 05/07/2019
Attorney Dkt #:123301-5124
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, SEA-WOONG
Exec Dt:
04/19/2019
2
LEE, KYOO-YOUNG
Exec Dt:
04/19/2019
3
SEO, EUN-JUNG
Exec Dt:
04/19/2019
4
LEE, SEON-JONG
Exec Dt:
04/19/2019
5
RYU, JOO-HYUN
Exec Dt:
04/19/2019
6
LEE, WON-HWI
Exec Dt:
04/19/2019
Assignees
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
2
POSTECH ACADEMY-INDUSTRY FOUNDATION
77 CHEONGAM-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37673
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190256940
16347704
Correspondence name and address
HOSANG LEE
MORGAN, LEWIS & BOCKIUS LLP
1111 PENNSYLVANIA AVE, NW
WASHINGTON, DC 20004
Assignment: 10
Reel/Frame:050843/0052   Pages: 4
Recorded: 10/28/2019
Attorney Dkt #:CSL0164US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, SEA-WOONG
Exec Dt:
09/17/2019
2
LEE, KYOO-YOUNG
Exec Dt:
09/17/2019
3
RYU, JOO-HYUN
Exec Dt:
09/17/2019
4
KANG, KI-CHEOL
Exec Dt:
09/17/2019
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11299793
US20200140971
16609017
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 11
Reel/Frame:051553/0127   Pages: 4
Recorded: 01/09/2020
Attorney Dkt #:CSL0171US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, SUNG-HAK
Exec Dt:
01/02/2020
2
LEE, KYOO-YOUNG
Exec Dt:
01/02/2020
3
RYU, JOO-HYUN
Exec Dt:
01/02/2020
4
LEE, SEA-WOONG
Exec Dt:
01/02/2020
5
SOHN, SEOK-SU
Exec Dt:
01/02/2020
6
LEE, HYUNG-SOO
Exec Dt:
01/02/2020
7
JO, MIN-CHUL
Exec Dt:
01/02/2020
Assignees
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
2
POSTECH ACADEMY-INDUSTRY FOUNDATION
77 CHEONGAM-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37673
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11186892
NONE
16629757
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 12
Reel/Frame:052596/0072   Pages: 3
Recorded: 05/07/2020
Attorney Dkt #:123301-5171
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, JOO-HYUN
Exec Dt:
05/06/2020
2
LEE, KYOO-YOUNG
Exec Dt:
05/06/2020
3
LEE, SEA-WOONG
Exec Dt:
05/06/2020
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11655517
US20210180150
16761953
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
1111 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20004
Assignment: 13
Reel/Frame:055462/0072   Pages: 4
Recorded: 03/02/2021
Attorney Dkt #:CSL0200US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, JOO-HYUN
Exec Dt:
11/23/2020
2
LEE, KYOO-YOUNG
Exec Dt:
11/23/2020
3
LEE, SEA-WOONG
Exec Dt:
11/23/2020
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210317554
17272859
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 14
Reel/Frame:059357/0155   Pages: 4
Recorded: 03/09/2022
Attorney Dkt #:CSL0236US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AHN, YEON-SANG
Exec Dt:
12/27/2021
2
RYU, JOO-HYUN
Exec Dt:
12/27/2021
3
CHOI, KANG-HYUN
Exec Dt:
12/28/2021
Assignee
1
POSCO
(GOEDONG-DONG) 6261, DONGHAEAN-RO, NAM-GU
GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220298596
17641728
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 15
Reel/Frame:063195/0518   Pages: 4
Recorded: 03/31/2023
Attorney Dkt #:CSL0259US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, JOO-HYUN
Exec Dt:
11/16/2022
2
AHN, YEON-SANG
Exec Dt:
11/16/2022
3
CHOI, KANG-HYUN
Exec Dt:
11/16/2022
4
CHOI, EUL-YONG
Exec Dt:
11/16/2022
Assignee
1
POSCO CO., LTD
6261, DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230357881
18029865
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 16
Reel/Frame:063769/0229   Pages: 3
Recorded: 05/25/2023
Attorney Dkt #:CSL0266US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONG, JONG-PAN
Exec Dt:
12/22/2022
2
AHN, YEON-SANG
Exec Dt:
12/22/2022
3
RYU, JOO-HYUN
Exec Dt:
12/22/2022
Assignee
1
POSCO CO., LTD
6261, DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240002968
18038981
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 17
Reel/Frame:063847/0502   Pages: 3
Recorded: 06/02/2023
Attorney Dkt #:CSL0267US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KANG-HYUN
Exec Dt:
12/26/2022
2
AHN, YEON-SANG
Exec Dt:
12/26/2022
3
RYU, JOO-HYUN
Exec Dt:
12/26/2022
Assignee
1
POSCO CO., LTD
6261, DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240026483
18265246
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 18
Reel/Frame:063983/0448   Pages: 3
Recorded: 06/13/2023
Attorney Dkt #:CSL0273US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONG, JONG-PAN
Exec Dt:
04/07/2023
2
AHN, YEON-SANG
Exec Dt:
04/07/2023
3
RYU, JOO-HYUN
Exec Dt:
04/07/2023
Assignee
1
POSCO CO., LTD
6261, DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240052468
18266765
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103

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