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Assignee Name : POSCO CO., LTD.
Total Assignments: 20
Assignment: 1
Reel/Frame:022453/0819   Pages: 27
Recorded: 03/26/2009
Attorney Dkt #:P/4371-23 (V11490)
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
POHANG IRON & STEEL CO. LTD.
Exec Dt:
03/21/2002
Assignee
1
POSCO CO., LTD.
1 GOEDONG-DONG, NAM-KU, POHANG-SHI
KYUNGSANGBUK-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7854909
US20050053529
10494840
Correspondence name and address
OSTROLENK, FABER, GERB & SOFFEN, LLP
1180 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 2
Reel/Frame:015248/0897   Pages: 3
Recorded: 04/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARK, CHEOL-JAE
Exec Dt:
03/22/2004
2
HONG, SEONG-CHEOL
Exec Dt:
03/22/2004
3
KIM, KWAN-SOO
Exec Dt:
03/22/2004
4
HAN, KYU-BUM
Exec Dt:
03/22/2004
5
JO, YOUNG-JUN
Exec Dt:
03/22/2004
6
CHOI, SEONG-GAP
Exec Dt:
03/22/2004
7
YOSHINORI, WAKAMIYA
Exec Dt:
03/29/2004
8
ISOKO, NITTA
Exec Dt:
03/29/2004
9
HARUKI, INAMI
Exec Dt:
03/29/2004
Assignees
1
POSCO CO., LTD.
1, GEODONG-DONG, NAM-GU, POHANG
GYEONGBUK 790-785, KOREA, REPUBLIC OF
2
TOSHIBA MITSUBISHI-ELECTRICINDUSTRIAL SYSTEMS CORPORATION
MITA43MT BUILDING, 13-16 MITA 3-CHOME
MINATO-KU TOKYO 108-0073, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6839605
US20040153196
10718489
Correspondence name and address
WEBB ZIESENHEIM LOGSDON ORKIN ET AL.
WILLIAM H. LOGSDON
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:016413/0865   Pages: 3
Recorded: 05/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, JONG-HAG
Exec Dt:
04/27/2004
2
CHOI, IL-SEOP
Exec Dt:
04/27/2004
Assignee
1
POSCO CO., LTD.
#1, GOIDONG-DOGN,
NAM-GU, POHANG-SHI
KYUNGSANGBUK-DO, 790-300, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050155402
10494971
Correspondence name and address
COOPER & DUNHAM LLP
RICHARD S. MILNER
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:016944/0435   Pages: 6
Recorded: 09/02/2005
Attorney Dkt #:74440/RSM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, YOON-HA
Exec Dt:
05/12/2005
2
KIM, WAN-SOO
Exec Dt:
05/12/2005
3
LEE, DAE-SUNG
Exec Dt:
05/12/2005
Assignees
1
POSCO CO., LTD.
#1, GOIDONG-DONG, NAM-GU
POHANG-SHI, KYUNGSANGBUK-DO 790-300, KOREA, REPUBLIC OF
2
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
SAN #32, HYOJA-DONG, NAM-GU
POHANG-SHI, KYUNGSANGBUK-DO 790-330, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7100674
US20060037732
10535216
Correspondence name and address
RICHARD S. MILNER
COOPER & DUNHAM LLP
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 5
Reel/Frame:019459/0616   Pages: 3
Recorded: 06/13/2007
Attorney Dkt #:77976
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, DAE-SUNG
Exec Dt:
05/16/2007
2
MOON, HEE-KYUNG
Exec Dt:
05/16/2007
3
KIM, YOON-HA
Exec Dt:
05/16/2007
Assignee
1
POSCO CO., LTD.
#1, GOIDONG-DONG, NAM-GU, POHANG-SI
KYUNGSANGBUK-DO 790-300, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070295473
11792961
Correspondence name and address
RICHARD S. MILNER
COOPER & DUNAHM LLP
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:019461/0148   Pages: 4
Recorded: 06/12/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, JAE-YOUNG
Exec Dt:
05/16/2007
2
BAE, BYUNG-KEUN
Exec Dt:
05/16/2007
3
PARK, JONG-TAE
Exec Dt:
05/16/2007
4
KIM, JAE-KWAN
Exec Dt:
05/16/2007
5
PARK, CHEL-MIN
Exec Dt:
05/16/2007
Assignee
1
POSCO CO., LTD.
#1, GOIDONG-DONG, NAM-GU
POHANG-SI
KYUNGSANGBUK-DO 790-300, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7846271
US20080121314
11792987
Correspondence name and address
RICHARD S. MILNER
COOPER & DUNHAM LLP
1185 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Assignment: 7
Reel/Frame:021009/0338   Pages: 5
Recorded: 05/28/2008
Attorney Dkt #:4084-081662
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAE, BYUNG-KEUN
Exec Dt:
05/15/2008
2
KIM, JAE-KWAN
Exec Dt:
05/15/2008
Assignee
1
POSCO CO., LTD.
#1, GOIDONG-DONG, NAM-GU, POHANG-SI
KYUNGSANGBUK-DO, KOREA, REPUBLIC OF 790-300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7763122
US20080260569
12095209
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:021113/0176   Pages: 6
Recorded: 06/18/2008
Attorney Dkt #:4084-081716
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARK, CHEOL-MIN
Exec Dt:
05/22/2008
2
YOON, DU-HYONG
Exec Dt:
05/22/2008
3
KANG, TAE-WOOK
Exec Dt:
05/22/2008
4
KIM, SANG-HOON
Exec Dt:
05/22/2008
Assignee
1
POSCO CO., LTD.
#1, GOIDONG-DONG, NAM-GU
POHANG-SHI, KOREA, REPUBLIC OF 790-300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090038771
12097952
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:022453/0730   Pages: 4
Recorded: 03/26/2009
Attorney Dkt #:P/4371-23 (V11489)
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNEE AND THE DATE OF EXECUTION ON THE ORIGINAL COVERSHEET AND THE ORIGINAL ASSIGNMENT PREVIOUSLY RECORDED ON REEL 022287 FRAME 0653. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor
1
SIEMENS VAI METALS TECHNOLOGIES GMBH & CO.
Exec Dt:
02/12/2009
Assignee
1
POSCO CO., LTD.
1 GOEDONG-DONG, NAM-KU, POHANG-SHI
KYUNGSANGBUK-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7854909
US20050053529
10494840
Correspondence name and address
OSTROLENK, FABER, GERB & SOFFEN, LLP
1180 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 10
Reel/Frame:063976/0442   Pages: 5
Recorded: 06/16/2023
Attorney Dkt #:Q288768
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHUN, YOUNGSOO
Exec Dt:
06/07/2023
2
CHOI, SEOK-HWAN
Exec Dt:
06/07/2023
3
KIM, KYOUNGSIK
Exec Dt:
06/07/2023
4
CHOI, MYUNGSOO
Exec Dt:
06/07/2023
Assignee
1
POSCO CO., LTD.
6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240052454
18268041
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 9000
WASHINGTON, 20006 DENMARK
Assignment: 11
Reel/Frame:063976/0774   Pages: 3
Recorded: 06/16/2023
Attorney Dkt #:Q288766
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JUNMO
Exec Dt:
06/12/2023
2
CHOI, SEOK-HWAN
Exec Dt:
06/12/2023
3
CHOI, MYUNGSOO
Exec Dt:
06/12/2023
Assignee
1
POSCO CO., LTD.
6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240052455
18268087
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 9000
WASHINGTON, DC 20006
Assignment: 12
Reel/Frame:066774/0098   Pages: 8
Recorded: 03/14/2024
Attorney Dkt #:Q293277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, TAE HYUN
Exec Dt:
11/06/2023
2
KIM, SUNGBIN
Exec Dt:
11/06/2023
3
PARK, SANG HYEOK
Exec Dt:
11/06/2023
4
LEE, LAEKYOUNG
Exec Dt:
11/06/2023
5
SEO, JUN YOUNG
Exec Dt:
11/06/2023
Assignees
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
2
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
67 CHEONGAM-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37673
3
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
77 CHEONGAM-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37673
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250131577
18692031
Correspondence name and address
ALEXANDER AUERBACH
2000 PENNSYLVANIA AVE NW, SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:066869/0798   Pages: 4
Recorded: 03/22/2024
Attorney Dkt #:Q297096
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, SUNG-IL
Exec Dt:
11/22/2023
2
RYU, JOO-HYUN
Exec Dt:
11/22/2023
3
SEO, CHANG-HYO
Exec Dt:
11/23/2023
Assignee
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240392407
18694598
Correspondence name and address
SUGHRUE MION PLLC
2000 PENNSYLVANIA AVE NW, SUITE 800
WASHINGTON, DC 20037
Assignment: 14
Reel/Frame:067746/0636   Pages: 5
Recorded: 06/17/2024
Attorney Dkt #:Q299102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HA, WON
Exec Dt:
01/31/2024
Assignees
1
POSCO CO., LTD.
(GOEDONG-DONG) 6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
2
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
67 CHEONGAM-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37673
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250070313
18720984
Correspondence name and address
SUGHRUE MION PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 9000
WASHINGTON, DC 20006-1811
Assignment: 15
Reel/Frame:068379/0671   Pages: 4
Recorded: 07/15/2024
Attorney Dkt #:Q299757
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEE, SANG-CHUL
Exec Dt:
02/28/2024
Assignee
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250073824
18722253
Correspondence name and address
SUGHRUE MION
2000 PENNSYLVANIA AVENUE, NW
SUITE 9000
WASHINGTON, DC 20006
Assignment: 16
Reel/Frame:067064/0709   Pages: 4
Recorded: 04/10/2024
Attorney Dkt #:Q297612
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, WOO-GYEOM
Exec Dt:
03/07/2024
2
KIM, SANG-HO
Exec Dt:
03/07/2024
3
BYUN, YOUNG-SUB
Exec Dt:
03/07/2024
Assignee
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250243555
18700014
Correspondence name and address
SUGHRUE MION PLLC
2000 PENNSYLVANIA AVE NW, SUITE 800
WASHINGTON, DC 20037
Assignment: 17
Reel/Frame:067079/0608   Pages: 3
Recorded: 04/11/2024
Attorney Dkt #:Q297242
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHOI, SANGWOO
Exec Dt:
03/20/2024
Assignee
1
POSCO CO., LTD.
6261, DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240401167
18700472
Correspondence name and address
SUGHRUE MION PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 9000
WASHINGTON, DC 20006-1811
Assignment: 18
Reel/Frame:066876/0179   Pages: 3
Recorded: 03/22/2024
Attorney Dkt #:076938-000002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
Exec Dt:
03/22/2024
2
POSCO HOLDINGS, INC.
Exec Dt:
03/22/2024
Assignee
1
POSCO CO., LTD.
6261, DONGHAEAN-RO, NAM-GU, POHANG-SI
GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
10493569
US20180021895
15584794
 
11130204
US20170312862
15584835
 
10493570
US20170312861
15584860
 
11155905
US20180258515
15977796
 
12311474
US20200086431
16670494
 
11883906
US20200086432
16672960
Correspondence name and address
IONA N. KAISER
909 FANNIN STREET, SUITE 2700
HOUSTON, TX 77010
Assignment: 19
Reel/Frame:067466/0742   Pages: 4
Recorded: 05/20/2024
Attorney Dkt #:Q298770
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, SANGWOO
Exec Dt:
04/30/2024
2
LIM, NAMSUK
Exec Dt:
04/30/2024
Assignee
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU
POHANG-SI, GYEONGSANGBUK-DO, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250019790
18711801
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 9000
WASHINGTON, DC 20006
Assignment: 20
Reel/Frame:067952/0967   Pages: 3
Recorded: 07/10/2024
Attorney Dkt #:Q299146
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUNG, BYUNGIN
Exec Dt:
05/20/2024
2
CHUN, YOUNGSOO
Exec Dt:
05/20/2024
3
PARK, YONGSIK
Exec Dt:
05/20/2024
Assignee
1
POSCO CO., LTD.
6261 DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO
POHANG-SI, KOREA, REPUBLIC OF 37859
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250043376
18719104
Correspondence name and address
SUGHRUE MION
2000 PENNSYLVANIA AVENUE, NW
SUITE 9000
WASHINGTON, DC 20006

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