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Patent Assignment Assignor Details
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Assignor Name : HAHN, JONG SOK
Total Assignments: 13
Assignment: 1
Reel/Frame:018182/0087   Pages: 3
Recorded: 08/28/2006
Attorney Dkt #:20345/0205330-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OK, MYUNG AHN
Exec Dt:
07/03/2006
2
SHIN, DAE HO
Exec Dt:
07/05/2006
3
HAHN, JONG SOK
Exec Dt:
07/04/2006
4
LEE, MAL WOO
Exec Dt:
07/05/2006
5
RYU, SEOUNG WOONG
Exec Dt:
07/05/2006
Assignee
1
SK CORPORATION
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070142220
10598147
Correspondence name and address
DARBY & DARBY PC
805 THIRD AVENUE, 27TH FLOOR
NEW YORK, NY 10022
Assignment: 2
Reel/Frame:063953/0117   Pages: 8
Recorded: 06/14/2023
Attorney Dkt #:PLS23201-14
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOO, TAE WOO
Exec Dt:
12/29/2006
2
OK, MYUNG AHN
Exec Dt:
12/29/2006
3
HAHN, JONG SOK
Exec Dt:
12/27/2006
4
LEE, MAL OU
Exec Dt:
12/27/2006
5
KANG, SANG OOK
Exec Dt:
01/06/2007
6
KO, SUNG BO
Exec Dt:
01/08/2007
7
KIM, TAE JIN
Exec Dt:
01/06/2007
8
KIM, SUNG KWAN
Exec Dt:
01/06/2007
Assignee
1
SK CORPORATION
99 SEORIN-DONG
JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7833926
US20090326175
12533816
Correspondence name and address
MCCOY RUSSELL LLP
1410 NW JOHNSON ST., STE 201
PORTLAND, OR 97209
Assignment: 3
Reel/Frame:020620/0370   Pages: 3
Recorded: 03/10/2008
Attorney Dkt #:20345/0209287-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOO, TAE WOO
Exec Dt:
02/25/2008
2
OK, MYUNG AHN
Exec Dt:
02/25/2008
3
HAHN, JONG SOK
Exec Dt:
02/23/2008
4
KANG, SANG OOK
Exec Dt:
02/23/2008
5
JUNG, JAE HO
Exec Dt:
02/25/2008
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG
JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7985817
US20080262174
12065974
Correspondence name and address
DARBY & DARBY
P.O. BOX 770
CHURCH STREET STATION
NEW YORK, NY 10008-0770
Assignment: 4
Reel/Frame:022655/0081   Pages: 2
Recorded: 05/01/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OK, MYUNG AHN
Exec Dt:
04/30/2009
2
SHIN, DAE HO
Exec Dt:
04/30/2009
3
HAHN, JONG SOK
Exec Dt:
04/30/2009
4
LEE, HO SEONG
Exec Dt:
04/30/2009
5
KANG, SANG OOK
Exec Dt:
04/30/2009
6
KIM, SUNG KWAN
Exec Dt:
04/30/2009
Assignee
1
SK ENERGY CO., LTD.
99, SEORIN-DONG
JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8742043
US20100048840
12312278
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 5
Reel/Frame:024040/0939   Pages: 2
Recorded: 03/01/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIM, CHOON SIK
Exec Dt:
01/07/2010
2
HAM, HYEONG TAEK
Exec Dt:
01/07/2010
3
CHAE, SUNG SEOK
Exec Dt:
01/08/2010
4
SHIN, DAE HO
Exec Dt:
01/08/2010
5
KWON, SEUNG BUM
Exec Dt:
01/07/2010
6
HAHN, JONG SOK
Exec Dt:
01/08/2010
7
OK, MYUNG AHN
Exec Dt:
01/08/2010
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG
JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8076428
US20100234545
12733450
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
ATTORNEYS AT LAW
666 THIRD AVE., 10TH FLOOR
NEW YORK, NEW YORK 10017
Assignment: 6
Reel/Frame:063953/0154   Pages: 4
Recorded: 06/14/2023
Attorney Dkt #:PLS23201-19
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIM, CHOON SIK
Exec Dt:
01/07/2010
2
HAM, HYEONG TAEK
Exec Dt:
01/07/2010
3
CHAE, SUNG SEOK
Exec Dt:
01/08/2010
4
SHIN, DAE HO
Exec Dt:
01/08/2010
5
KWON, SEUNG BUM
Exec Dt:
01/07/2010
6
HAHN, JONG SOK
Exec Dt:
01/08/2010
7
OK, MYUNG AHN
Exec Dt:
01/08/2010
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG
JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8674026
US20120141702
13313343
Correspondence name and address
MCCOY RUSSELL LLP
1410 NW JOHNSON ST., STE 201
PORTLAND, OR 97209
Assignment: 7
Reel/Frame:025488/0985   Pages: 4
Recorded: 12/14/2010
Attorney Dkt #:12152-0069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUNG, HWAN KYU
Exec Dt:
10/19/2010
2
KIM, YOUNG WOOK
Exec Dt:
10/27/2010
3
YIM, BYOUNG TAK
Exec Dt:
10/27/2010
4
LEE, HO SEONG
Exec Dt:
10/27/2010
5
OK, MYUNG AHN
Exec Dt:
10/27/2010
6
HAHN, JONG SOK
Exec Dt:
10/27/2010
7
SHIN, DONG CHEOL
Exec Dt:
10/27/2010
Assignee
1
SK ENERGY CO., LTD.
99, SEORIN-DONG, JONGNO-GU,
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8436113
US20110152475
12967235
Correspondence name and address
CLARK & BRODY
1700 DIAGONAL ROAD, SUITE 510
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:030268/0759   Pages: 6
Recorded: 04/23/2013
Attorney Dkt #:5038-123121
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, DONG CHEOL
Exec Dt:
07/25/2012
2
LEE, HO SEONG
Exec Dt:
07/25/2012
3
KIM, SEONG KYUN
Exec Dt:
07/25/2012
4
LEE, SANG ICK
Exec Dt:
07/25/2012
5
KIM, SUN YOUNG
Exec Dt:
07/25/2012
6
HAHN, JONG SOK
Exec Dt:
07/25/2012
7
JEON, CHAN WOONG
Exec Dt:
07/25/2012
8
KIM, JEONG HWAN
Exec Dt:
07/25/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9120884
US20130225834
13881098
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 9
Reel/Frame:035989/0248   Pages: 6
Recorded: 07/01/2015
Attorney Dkt #:5038-155148
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, DONG CHEOL
Exec Dt:
07/25/2012
2
LEE, HO SEONG
Exec Dt:
07/25/2012
3
KIM, SEONG KYUN
Exec Dt:
07/25/2012
4
LEE, SANG ICK
Exec Dt:
07/25/2012
5
KIM, SUN YOUNG
Exec Dt:
07/25/2012
6
HAHN, JONG SOK
Exec Dt:
07/25/2012
7
JEON, CHAN WOONG
Exec Dt:
07/25/2012
8
KIM, JEONG HWAN
Exec Dt:
07/25/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9926394
US20150299353
14789512
Correspondence name and address
THE WEBB LAW FIRM PC
ONE GATEWAY CENTER, 420 FT. DUQUESNE BLV
SUITE 1200
PITTSBURGH, PA 15222
Assignment: 10
Reel/Frame:044301/0204   Pages: 4
Recorded: 12/05/2017
Attorney Dkt #:5038-1709167
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, DONG CHEOL
Exec Dt:
07/25/2012
2
LEE, HO SEONG
Exec Dt:
07/25/2012
3
KIM, SEONG KYUN
Exec Dt:
07/25/2012
4
LEE, SANG ICK
Exec Dt:
07/25/2012
5
KIM, SUN YOUNG
Exec Dt:
07/25/2012
6
HAHN, JONG SOK
Exec Dt:
07/25/2012
7
JEON, CHAN WOONG
Exec Dt:
07/25/2012
8
KIM, JEONG HWAN
Exec Dt:
07/25/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10323111
US20180094090
15832011
Correspondence name and address
THE WEBB LAW FIRM
420 FORT DUQUESNE BLVD
ONE GATEWAY CENTER, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:048505/0724   Pages: 4
Recorded: 03/05/2019
Attorney Dkt #:5038-1900603
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, DONG CHEOL
Exec Dt:
07/25/2012
2
LEE, HO SEONG
Exec Dt:
07/25/2012
3
KIM, SEONG KYUN
Exec Dt:
07/25/2012
4
LEE, SANG ICK
Exec Dt:
07/25/2012
5
KIM, SUN YOUNG
Exec Dt:
07/25/2012
6
HAHN, JONG SOK
Exec Dt:
07/25/2012
7
JEON, CHAN WOONG
Exec Dt:
07/25/2012
8
KIM, JEONG HWAN
Exec Dt:
07/25/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10487163
US20190202949
16292745
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 12
Reel/Frame:029122/0485   Pages: 7
Recorded: 10/12/2012
Attorney Dkt #:5038-123048
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, DONG CHEOL
Exec Dt:
10/08/2012
2
LEE, HO SEONG
Exec Dt:
10/08/2012
3
KIM, SEONG KYUN
Exec Dt:
10/08/2012
4
LEE, SANG ICK
Exec Dt:
10/08/2012
5
KIM, SUN YOUNG
Exec Dt:
10/08/2012
6
HAHN, JONG SOK
Exec Dt:
10/08/2012
7
JEON, CHAN WOONG
Exec Dt:
10/08/2012
8
KIM, JEONG HWAN
Exec Dt:
10/08/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8921499
US20140179885
13640988
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 13
Reel/Frame:033666/0132   Pages: 8
Recorded: 09/04/2014
Attorney Dkt #:5038-145859
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, HO SEONG
Exec Dt:
08/26/2014
2
SHIN, DONG CHEOL
Exec Dt:
08/26/2014
3
CHAE, SUNG SEOK
Exec Dt:
08/26/2014
4
CHO, KYU CHEOL
Exec Dt:
08/26/2014
5
HAN, SEUNG YEOL
Exec Dt:
08/26/2014
6
HAHN, JONG SOK
Exec Dt:
08/26/2014
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
99, SEORIN-DONG, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9394388
US20150025204
14382807
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222

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