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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : YOON, YOUNG SEEK
Total Assignments: 9
Assignment: 1
Reel/Frame:020059/0317   Pages: 2
Recorded: 11/02/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOON, YOUNG SEEK
Exec Dt:
10/26/2007
2
KIM, JIN HONG
Exec Dt:
10/26/2007
3
CHOI, KEUN SEOB
Exec Dt:
10/25/2007
4
KIM, II SU
Exec Dt:
10/25/2007
Assignee
1
SK ENERGY CO., LTD
99 SEORIN-DONG
SEOUL, JONGRO-GU, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080219901
11911016
Correspondence name and address
JOSEPH R. ROBINSON
P.O. BOX 770
CHURCH STREET STATION
NEW YORK, NY 10008-0770
Assignment: 2
Reel/Frame:021148/0294   Pages: 4
Recorded: 06/25/2008
Attorney Dkt #:20345/0209876-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KWAK, BYONG SUNG
Exec Dt:
06/16/2008
2
YOON, YOUNG SEEK
Exec Dt:
06/03/2008
3
KIM, JIN HONG
Exec Dt:
06/03/2008
4
LIM, MEE SOOK
Exec Dt:
06/03/2008
Assignee
1
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080274878
12158279
Correspondence name and address
DARBY & DARBY
P.O. BOX 770
CHURCH STREET STATION
NEW YORK, NY 10008-0770
Assignment: 3
Reel/Frame:022099/0195   Pages: 2
Recorded: 01/06/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, MYUNG JUN
Exec Dt:
12/10/2008
2
YOON, YOUNG SEEK
Exec Dt:
12/10/2008
3
KIM, JIN HONG
Exec Dt:
12/10/2008
Assignee
1
SK ENERGY CO., LTD.
99, SEORIN-DONG JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8062597
US20090311144
12309125
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017-5621
Assignment: 4
Reel/Frame:025053/0060   Pages: 4
Recorded: 09/28/2010
Attorney Dkt #:211,108
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KANG, SIN YOUNG
Exec Dt:
09/06/2010
2
PARK, CHER HEE
Exec Dt:
09/06/2010
3
YOON, YOUNG SEEK
Exec Dt:
09/06/2010
4
CHO, IN HO
Exec Dt:
09/06/2010
5
AHN, HYUNG WOONG
Exec Dt:
09/06/2010
6
PARK, SAM RYONG
Exec Dt:
09/06/2010
7
SONG, JONG HEE
Exec Dt:
09/06/2010
8
LEE, SEONG HO
Exec Dt:
09/06/2010
9
SANG, BYOUNG IN
Exec Dt:
09/20/2010
10
SUH, YOUNG WOONG
Exec Dt:
09/20/2010
11
UM, YOUNG SOON
Exec Dt:
09/20/2010
12
LEE, SUN MI
Exec Dt:
09/20/2010
Assignees
1
SK ENERGY CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
2
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
39-1, HAWOLGOK 2-DONG, SEONGBUK-GU
SEOUL 136-791, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8728782
US20110294176
12935075
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 5
Reel/Frame:026804/0440   Pages: 8
Recorded: 08/25/2011
Attorney Dkt #:LEEP 200008US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, SEONG HO
Exec Dt:
08/04/2011
2
OH, SEUNG HOON
Exec Dt:
08/05/2011
3
YOON, YOUNG SEEK
Exec Dt:
08/05/2011
4
CHO, IN HO
Exec Dt:
08/05/2011
5
KANG, SIN YOUNG
Exec Dt:
08/05/2011
6
GOH, GI HO
Exec Dt:
08/05/2011
7
PARK, CHER HEE
Exec Dt:
08/05/2011
8
KIM, HEE SOO
Exec Dt:
08/05/2011
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110300596
13133988
Correspondence name and address
FAY SHARPE LLP
1228 EUCLID AVENUE, 5TH FLOOR
THE HALLE BUILDING
CLEVELAND, OH 44115
Assignment: 6
Reel/Frame:028971/0470   Pages: 4
Recorded: 09/17/2012
Attorney Dkt #:212,351
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHUNG, YOUNG MIN
Exec Dt:
09/04/2012
2
KIM, OK YOUN
Exec Dt:
09/04/2012
3
JEON, HEE JUNG
Exec Dt:
09/04/2012
4
YOON, YOUNG SEEK
Exec Dt:
09/04/2012
5
LEE, SEONG HO
Exec Dt:
09/07/2012
6
KIM, HEE SON
Exec Dt:
09/04/2012
7
OH, SEUNG HOON
Exec Dt:
09/07/2012
8
YIM, YOON JAE
Exec Dt:
09/05/2012
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG
JONGRO-GU, SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8679805
US20130017590
13635584
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 7
Reel/Frame:029145/0899   Pages: 4
Recorded: 10/17/2012
Attorney Dkt #:212,414
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, HEE SOO
Exec Dt:
10/11/2012
2
LEE, SEONG HO
Exec Dt:
10/12/2012
3
YOON, YOUNG SEEK
Exec Dt:
10/15/2012
4
OH, SEUNG HOON
Exec Dt:
10/15/2012
5
CHUNG, YOUNG MIN
Exec Dt:
10/15/2012
6
KIM, OK YOUN
Exec Dt:
10/15/2012
7
JEON, HEE JUNG
Exec Dt:
10/15/2012
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8518853
US20130030224
13641813
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017
Assignment: 8
Reel/Frame:030234/0707   Pages: 4
Recorded: 04/17/2013
Attorney Dkt #:212,762
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHUNG, YOUNG MIN
Exec Dt:
04/08/2013
2
PARK, CHER HEE
Exec Dt:
03/25/2013
3
YOON, YOUNG SEEK
Exec Dt:
04/05/2013
4
JEON, HEE JUNG
Exec Dt:
03/25/2013
5
KIM, HEE SOO
Exec Dt:
03/25/2013
6
OH, SEUNG HOON
Exec Dt:
04/08/2013
7
LEE, SEONG HO
Exec Dt:
03/25/2013
8
KIM, OK YOUN
Exec Dt:
03/25/2013
Assignee
1
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9187767
US20130210106
13879904
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017-5621
Assignment: 9
Reel/Frame:031848/0957   Pages: 3
Recorded: 12/26/2013
Attorney Dkt #:213,188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, BANG UN
Exec Dt:
12/20/2013
2
LEE, SUNG HO
Exec Dt:
12/20/2013
3
YOON, YOUNG SEEK
Exec Dt:
12/20/2013
4
OH, SEUNG HOON
Exec Dt:
12/20/2013
Assignee
1
SK ENERGY CO., LTD.
SEORIN-DONG, SK BLDG. 26, JONGRO, JONGRO-GU
SEOUL 110-110, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9029624
US20140140906
14129375
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NY 10017-5621

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