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Patent Assignment Assignor Details
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Assignor Name : CHOO, DAE HYUN
Total Assignments: 16
Assignment: 1
Reel/Frame:016989/0784   Pages: 3
Recorded: 02/09/2005
Attorney Dkt #:1751-373
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JAE SUNG
Exec Dt:
01/10/2005
2
LEE, KYUNG HEE
Exec Dt:
01/10/2005
3
KIM, HAE JIN
Exec Dt:
01/10/2005
4
LEE, HYUN CHUL
Exec Dt:
01/10/2005
5
CHOO, DAE HYUN
Exec Dt:
01/10/2005
Assignee
1
POSTECH FOUNDATION
SAN 31 HYOJA-DONG, NAM-GU, POHANG-CITY, 790-784 KYUNGSANGBUK-DO
KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7399459
US20050281734
10523804
Correspondence name and address
G. FRANKLIN ROTHWELL
ROTHWELL, FIGG, ERNST ET AL.
SUITE 800 1425 K ST., N.W.
WASHINGTON, D.C. 20005
Assignment: 2
Reel/Frame:020352/0111   Pages: 3
Recorded: 01/11/2008
Attorney Dkt #:20345/0208850-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KWAK, BYONG SUNG
Exec Dt:
12/10/2007
2
OH, SEUNG HOON
Exec Dt:
12/10/2007
3
KIM, TAE JIN
Exec Dt:
12/10/2007
4
CHOO, DAE HYUN
Exec Dt:
12/10/2007
5
CHUNG, YOUNG MIN
Exec Dt:
12/10/2007
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7838455
US20090018291
11995266
Correspondence name and address
JOSEPH R. ROBINSON
P.O. BOX 770, CHURCH STREET STATION
NEW YORK, NY 10008-0770
Assignment: 3
Reel/Frame:020392/0560   Pages: 3
Recorded: 01/21/2008
Attorney Dkt #:20345/0208966-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, SUN
Exec Dt:
12/21/2007
2
KIM, YONG SEUNG
Exec Dt:
12/21/2007
3
PARK, DEUK SOO
Exec Dt:
12/21/2007
4
KIM, SUK JOON
Exec Dt:
12/21/2007
5
KIM, JI MIN
Exec Dt:
12/21/2007
6
KIM, HONG CHAN
Exec Dt:
12/21/2007
7
OH, SEUNG HOON
Exec Dt:
12/21/2007
8
KIM, TAE JIN
Exec Dt:
12/21/2007
9
CHOO, DAE HYUN
Exec Dt:
12/21/2007
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8293961
US20090012339
11996319
Correspondence name and address
JOSEPH R. ROBINSON
P.O. BOX 770, CHURCH STREET STATION
NEW YORK, NY 10008-0770
Assignment: 4
Reel/Frame:024802/0930   Pages: 3
Recorded: 08/03/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOO, DAE HYUN
Exec Dt:
07/16/2010
2
KIM, HONG CHAN
Exec Dt:
07/16/2010
3
KIM, SUK JOON
Exec Dt:
07/12/2010
4
KIM, JI MIN
Exec Dt:
07/12/2010
5
KIM, TAE JIN
Exec Dt:
07/16/2010
6
CHOI, SUN
Exec Dt:
07/16/2010
7
OH, SEUNG HOON
Exec Dt:
07/16/2010
8
KIM, YONG SEUNG
Exec Dt:
07/12/2010
9
PARK, DEUK SOO
Exec Dt:
07/12/2010
10
PARK, YONG KI
Exec Dt:
07/07/2010
11
LEE, CHUL WEE
Exec Dt:
07/07/2010
12
KIM, HEE YOUNG
Exec Dt:
07/07/2010
13
CHOI, WON CHOON
Exec Dt:
07/07/2010
14
KANG, NA YOUNG
Exec Dt:
07/07/2010
15
SONG, BU SUB
Exec Dt:
07/07/2010
Assignees
1
SK ENERGY CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
2
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JANG-DONG, YUSEONG-GU
DAEJEON 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8673802
US20110039688
12735647
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 5
Reel/Frame:026133/0073   Pages: 10
Recorded: 04/15/2011
Attorney Dkt #:LEEP 200003US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, CHEOL JOONG
Exec Dt:
03/31/2011
2
KIM, DO WOAN
Exec Dt:
04/04/2011
3
OH, SANG HUN
Exec Dt:
04/05/2011
4
OH, SEUNG HOON
Exec Dt:
04/04/2011
5
KIM, GYUNG ROK
Exec Dt:
04/04/2011
6
KIM, EUN KYOUNG
Exec Dt:
04/04/2011
7
CHOO, DAE HYUN
Exec Dt:
04/04/2011
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG
JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8912377
US20110207979
13124406
Correspondence name and address
FAY SHARPE LLP
1228 EUCLID AVENUE, 5TH FLOOR
THE HALLE BUILDING
CLEVELAND, OH 44115
Assignment: 6
Reel/Frame:028287/0568   Pages: 4
Recorded: 05/30/2012
Attorney Dkt #:212,096
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, SUN
Exec Dt:
04/20/2012
2
PARK, DEUK SOO
Exec Dt:
04/18/2012
3
KIM, SUK JOON
Exec Dt:
04/18/2012
4
CHOO, DAE HYUN
Exec Dt:
04/18/2012
5
PARK, YONG KI
Exec Dt:
05/11/2012
6
LEE, CHUL WEE
Exec Dt:
05/11/2012
7
KIM, HEE YOUNG
Exec Dt:
05/11/2012
8
CHOI, WON CHOON
Exec Dt:
05/11/2012
9
KANG, NA YOUNG
Exec Dt:
05/11/2012
10
SONG, BU SUB
Exec Dt:
05/11/2012
Assignees
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG
JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
2
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JANG-DONG
YUSEONG-GU
DAEJEON 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8840864
US20120230910
13502607
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 7
Reel/Frame:030078/0836   Pages: 5
Recorded: 03/25/2013
Attorney Dkt #:212,708
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, HONG CHAN
Exec Dt:
02/28/2013
2
KIM, YONG SEUNG
Exec Dt:
02/28/2013
3
KIM, SUNG WON
Exec Dt:
03/04/2013
4
OH, SANG HUN
Exec Dt:
02/28/2013
5
LEE, HYUCK JAE
Exec Dt:
03/06/2013
6
CHOO, DAE HYUN
Exec Dt:
02/28/2013
7
KIM, CHEOL JOONG
Exec Dt:
02/28/2013
8
KIM, GYUNG ROK
Exec Dt:
02/28/2013
9
NOH, MYOUNG HAN
Exec Dt:
02/28/2013
10
KOH, JAE SUK
Exec Dt:
03/04/2013
11
CHOI, HYUN CHUL
Exec Dt:
02/28/2013
12
KIM, EUN KYOUNG
Exec Dt:
03/06/2013
13
LEE, YOON KYUNG
Exec Dt:
02/28/2013
14
LEE, JONG HYUNG
Exec Dt:
02/28/2013
15
CHOI, SUN
Exec Dt:
03/13/2013
16
OH, SEUNG HOON
Exec Dt:
03/06/2013
17
KOH, JAE HYUN
Exec Dt:
03/05/2013
18
LEE, SANG IL
Exec Dt:
02/28/2013
19
LEE, SEUNG WOO
Exec Dt:
03/06/2013
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG
JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8962901
US20130178673
13823023
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017-5621
Assignment: 8
Reel/Frame:032791/0143   Pages: 5
Recorded: 04/30/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, CHEOL JOONG
Exec Dt:
03/24/2014
2
KIM, SUN WONG
Exec Dt:
03/24/2014
3
KIM, SANG HUN
Exec Dt:
03/24/2014
4
JEONG, IL YONG
Exec Dt:
03/24/2014
5
GO, KANG SEOK
Exec Dt:
03/26/2014
6
PARK, SUNG BUM
Exec Dt:
03/24/2014
7
CHOO, DAE HYUN
Exec Dt:
03/27/2014
8
LEE, HYUCK JAE
Exec Dt:
03/24/2014
9
KIM, HONG CHAN
Exec Dt:
03/26/2014
10
KOH, JAE SUK
Exec Dt:
03/24/2014
11
KIM, YONG SEUNG
Exec Dt:
03/27/2014
12
KIM, GYUNG ROK
Exec Dt:
03/27/2014
13
NO, MYOUNG HAN
Exec Dt:
03/27/2014
14
CHOI, SUN
Exec Dt:
03/27/2014
15
OH, SEUNG HOON
Exec Dt:
03/27/2014
16
KIM, TAE JIN
Exec Dt:
03/27/2014
Assignee
1
SK INNOVATION CO., LTD.
(SEORIN-DONG, SK SEORIN-DONG BLDG.)
26, JONGRO, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9376353
US20140275671
14355391
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 9
Reel/Frame:034157/0282   Pages: 4
Recorded: 11/12/2014
Attorney Dkt #:213,943
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HONG, SUK JOON
Exec Dt:
09/26/2014
2
KWON, YONG TAK
Exec Dt:
09/26/2014
3
LEE, HWA JUNG
Exec Dt:
09/26/2014
4
KIM, TAE JIN
Exec Dt:
09/26/2014
5
CHOO, DAE HYUN
Exec Dt:
09/26/2014
Assignees
1
SK INNOVATION CO., LTD.
(SEORIN-DONG, SK SEORIN-DONG BLDG.) 26, JONGRO
JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
2
SK GLOBAL CHEMICAL CO., LTD.
(SEORIN-DONG) 26, JONGRO
JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9895685
US20150147267
14539496
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 10
Reel/Frame:041885/0629   Pages: 7
Recorded: 04/06/2017
Attorney Dkt #:7854-1702244
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YOUNG BO
Exec Dt:
03/20/2017
2
SON, SUNG REAL
Exec Dt:
03/22/2017
3
SONG, IN HYOUP
Exec Dt:
03/22/2017
4
LEE, SANG IL
Exec Dt:
03/22/2017
5
CHO, SANG HYUN
Exec Dt:
03/22/2017
6
CHOO, DAE HYUN
Exec Dt:
03/22/2017
Assignee
1
SK INNOVATION CO., LTD.
26, JONG-RO
JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10221187
US20170253608
15511285
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:054406/0340   Pages: 8
Recorded: 11/18/2020
Attorney Dkt #:9636-2006113
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, HO WON
Exec Dt:
11/03/2020
2
IM, JU HWAN
Exec Dt:
11/03/2020
3
KIM, HEE SOO
Exec Dt:
11/03/2020
4
PARK, HYE JIN
Exec Dt:
11/03/2020
5
LIM, JE MI
Exec Dt:
11/03/2020
6
CHOO, DAE HYUN
Exec Dt:
11/02/2020
Assignees
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
2
SK GLOBAL CHEMICAL CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11420191
US20210170370
16951233
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:056408/0012   Pages: 6
Recorded: 05/27/2021
Attorney Dkt #:9636-2101193
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, JAE SUK
Exec Dt:
02/24/2021
2
KIM, KA YOUNG
Exec Dt:
02/24/2021
3
KIM, HEE SOO
Exec Dt:
02/24/2021
4
IM, JU HWAN
Exec Dt:
02/24/2021
5
CHOO, DAE HYUN
Exec Dt:
02/24/2021
6
LEE, HO WON
Exec Dt:
02/24/2021
7
LIM, JE MI
Exec Dt:
02/24/2021
Assignees
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
2
SK GLOBAL CHEMICAL CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220008900
17297522
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:056064/0482   Pages: 6
Recorded: 04/28/2021
Attorney Dkt #:9636-2101401
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, HO WON
Exec Dt:
03/17/2021
2
LIM, JE MI
Exec Dt:
03/17/2021
3
KIM, HEE SOO
Exec Dt:
03/17/2021
4
IM, JU HWAN
Exec Dt:
03/17/2021
5
CHOO, DAE HYUN
Exec Dt:
03/17/2021
6
KIM, KA YOUNG
Exec Dt:
03/18/2021
7
CHOI, JAE SUK
Exec Dt:
03/17/2021
Assignees
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
2
SK GLOBAL CHEMICAL CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210394160
17289271
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 14
Reel/Frame:061580/0482   Pages: 6
Recorded: 10/28/2022
Attorney Dkt #:09636-2207002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUN, DONG MIN
Exec Dt:
10/18/2022
2
KIM, HEE SOO
Exec Dt:
10/13/2022
3
LEE, JI HOON
Exec Dt:
10/13/2022
4
JANG, JUNG GEUN
Exec Dt:
10/13/2022
5
CHOO, DAE HYUN
Exec Dt:
10/13/2022
Assignee
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11981632
US20230133746
17976045
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 15
Reel/Frame:061593/0756   Pages: 6
Recorded: 10/31/2022
Attorney Dkt #:09636-2207008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUN, DONG MIN
Exec Dt:
10/18/2022
2
IM, JU HWAN
Exec Dt:
10/18/2022
3
KIM, HEE SOO
Exec Dt:
10/13/2022
4
KIM, DO KYOUNG
Exec Dt:
10/13/2022
5
CHOO, DAE HYUN
Exec Dt:
10/13/2022
Assignee
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11858886
US20230131732
17973975
Correspondence name and address
THE WEBB LAW FIRM
420 FORT DUQUESNE BLVD., STE. 1200
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 16
Reel/Frame:062563/0599   Pages: 6
Recorded: 02/01/2023
Attorney Dkt #:PLUS/2214227/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUN, DONG MIN
Exec Dt:
12/27/2022
2
PARK, HYE JIN
Exec Dt:
12/28/2022
3
CHEON, YOUNG EUN
Exec Dt:
12/28/2022
4
CHOO, DAE HYUN
Exec Dt:
12/29/2022
Assignee
1
SK INNOVATION CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 03188
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230207960
18089112
Correspondence name and address
IP&T GROUP LLP
102 MAPLE AVE. E
VIENNA, VA 22180

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