skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : CHA, IL-HOON
Total Assignments: 19
Assignment: 1
Reel/Frame:022795/0673   Pages: 4
Recorded: 06/08/2009
Attorney Dkt #:5413SK-1 (SAC)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, YOUNG-ROK
Exec Dt:
05/22/2009
2
CHA, IL-HOON
Exec Dt:
05/22/2009
3
CHO, JUN-SANG
Exec Dt:
05/22/2009
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG, JANGAN-KU
KYUNGKI-DO
SUWON-CITY, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8492502
US20100105845
12518243
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY, SUITE 1200
DENVER, CO 80202
Assignment: 2
Reel/Frame:022800/0672   Pages: 5
Recorded: 06/09/2009
Attorney Dkt #:YOU-16202/00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, YOUNG-ROK
Exec Dt:
05/22/2009
2
CHA, IL-HOON
Exec Dt:
05/22/2009
3
CHO, JUN-SANG
Exec Dt:
05/26/2009
4
SHIN, YONG-JUN
Exec Dt:
05/22/2009
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG, JANGAN-KU
KYUNGKI-DO
SUWON-CITY, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8883960
US20100022743
12518369
Correspondence name and address
GIFFORD, KRASS, SPRINKLE,ANDERSON & CITK
PO BOX 7021
TROY, MI 48007-7021
Assignment: 3
Reel/Frame:032213/0695   Pages: 5
Recorded: 02/13/2014
Attorney Dkt #:YOU-16203/00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, YOUNG-ROK
Exec Dt:
05/22/2009
2
CHA, IL-HOON
Exec Dt:
05/22/2009
3
CHO, JUN-SANG
Exec Dt:
08/26/2009
4
SHIN, YONG-JUN
Exec Dt:
05/22/2009
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG, JANGAN-KU
SUWON-CITY
KYUNGKI-DO, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8957182
US20140194592
14179909
Correspondence name and address
GIFFORD, KRASS, SPRINKLE,ANDERSON & CITK
PO BOX 7021
TROY, MI 48007-7021
Assignment: 4
Reel/Frame:022843/0744   Pages: 5
Recorded: 06/18/2009
Attorney Dkt #:YOU-16302/00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, HAN-SEOK
Exec Dt:
06/01/2009
2
LEE, JONG-IN
Exec Dt:
06/01/2009
3
CHA, IL-HOON
Exec Dt:
06/01/2009
4
PARK, YONG-KI
Exec Dt:
06/01/2009
5
CHOI, WON-CHOON
Exec Dt:
06/01/2009
6
SONG, BU-SUB
Exec Dt:
06/01/2009
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG JANGAN-KU, KYUNGKI-DO
SUWON-CITY, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7906694
US20100094067
12519894
Correspondence name and address
GIFFORD, KRASS, SPRINKLE,ANDERSON & CITK
PO BOX 7021
TROY, MI 48007-7021
Assignment: 5
Reel/Frame:023490/0291   Pages: 4
Recorded: 11/09/2009
Attorney Dkt #:5413SK-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, HAN-SEOK
Exec Dt:
10/28/2009
2
LIM, JAE-BONG
Exec Dt:
10/28/2009
3
CHA, IL-HOON
Exec Dt:
10/28/2009
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG
JANGAN-KU
SUWON-CITY, KYUNGKI-DO, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8309775
US20100222617
12599400
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY, SUITE 1200
DENVER, CO 80202
Assignment: 6
Reel/Frame:026419/0747   Pages: 5
Recorded: 06/09/2011
Attorney Dkt #:2729.030US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JOONG-KI
Exec Dt:
06/08/2011
2
KIM, HAN-SEOK
Exec Dt:
06/08/2011
3
LIM, JAE-BONG
Exec Dt:
06/08/2011
4
CHA, IL-HOON
Exec Dt:
06/08/2011
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGIA 1-DONG
JANGAN-KU, SUWON CITY
KYUNGKI-DO, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8614362
US20110245550
13133904
Correspondence name and address
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 7
Reel/Frame:026489/0547   Pages: 6
Recorded: 06/23/2011
Attorney Dkt #:2729.031US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, YONG-JUN
Exec Dt:
06/20/2011
2
LIM, JAE-BONG
Exec Dt:
06/20/2011
3
CHO, JOON-SANG
Exec Dt:
06/20/2011
4
CHA, IL-HOON
Exec Dt:
06/20/2011
5
KIM, SUNG-GI
Exec Dt:
06/20/2011
Assignee
1
SK CHEMICALS CO., LTD.
600 JEONGIA 1-DONG, JANGAN-KU
SUWON CITY
KYUNGKI-DO, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8859720
US20110257363
13141822
Correspondence name and address
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 8
Reel/Frame:026529/0645   Pages: 6
Recorded: 06/30/2011
Attorney Dkt #:2729.034US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, YONG-JUN
Exec Dt:
06/20/2011
2
KIM, SUNG-GI
Exec Dt:
06/20/2011
3
LIM, JAE-BONG
Exec Dt:
06/20/2011
4
CHO, JOON-SANG
Exec Dt:
06/20/2011
5
CHA, IL-HOON
Exec Dt:
06/20/2011
Assignee
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG
JANGAN-KU, SUWON-CITY
KYUNGKI-DO, KOREA, REPUBLIC OF 440-301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9163119
US20110269935
13142932
Correspondence name and address
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 9
Reel/Frame:038835/0497   Pages: 6
Recorded: 06/07/2016
Attorney Dkt #:2729.032US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, YONG-JUN
Exec Dt:
06/20/2011
2
KIM, SUNG-GI
Exec Dt:
06/20/2011
3
LIM, JAE-BONG
Exec Dt:
06/20/2011
4
CHO, JOON-SANG
Exec Dt:
06/20/2011
5
CHA, IL-HOON
Exec Dt:
06/20/2011
Assignee
1
SK CHEMICALS CO., LTD.
686 SAMPYEONG-DONG
BUNDANG-GU, SEONGNAM SI
GYEONGGI-DO, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150353687
14831360
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 10
Reel/Frame:026916/0095   Pages: 11
Recorded: 09/14/2011
Attorney Dkt #:2729.034US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YI, YONG-JIN
Exec Dt:
07/15/2011
2
LIM, JAE-BONG
Exec Dt:
07/15/2011
3
CHA, IL-HOON
Exec Dt:
07/15/2011
4
KIM, HAN-SEOK
Exec Dt:
07/15/2011
5
PARK, YONG-KI
Exec Dt:
07/14/2011
6
CHOI, WON-CHOON
Exec Dt:
07/14/2011
7
MIN, DA-YOUNG
Exec Dt:
07/14/2011
Assignees
1
SK CHEMICALS CO., LTD.
600, JEONGJA 1-DONG JANGAN-KU, SUWON-CITY
KYUNGKI-DO, 440-301, 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 #
 
 
 
 
 
 
 
 
 
 
 
9108180
US20120172640
13142903
Correspondence name and address
MONIQUE M. PERDOK SHONKA
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402--0938
Assignment: 11
Reel/Frame:028727/0143   Pages: 4
Recorded: 08/06/2012
Attorney Dkt #:2729.042US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, YONG-JUN
Exec Dt:
07/24/2012
2
CHA, IL-HOON
Exec Dt:
07/24/2012
3
LIM, JAE-BONG
Exec Dt:
07/24/2012
4
KIM, SUNG-GI
Exec Dt:
07/24/2012
Assignee
1
SK CHEMICALS CO., LTD.
600 JEONGJA 1-DONG, JANGAN-KU
SUWON-CITY 440-301
KYUNGKI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8759478
US20120302726
13576229
Correspondence name and address
MONIQUE M. PERDOK SHONKA
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 12
Reel/Frame:033515/0218   Pages: 6
Recorded: 08/12/2014
Attorney Dkt #:2729.042US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIN, YONG-JUN
Exec Dt:
07/24/2012
2
CHA, IL-HOON
Exec Dt:
07/24/2012
3
LIM, JAE-BONG
Exec Dt:
07/24/2012
4
KIM, SUNG-GI
Exec Dt:
07/24/2012
Assignee
1
SK CHEMICALS CO., LTD.
686 SAMPYEONG-DONG
BUNDANG-GU, SEONGNAM SI
GYEONGGI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140350215
14279009
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 13
Reel/Frame:028941/0993   Pages: 4
Recorded: 09/10/2012
Attorney Dkt #:2729.044US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, SUNG-GI
Exec Dt:
07/27/2012
2
LIM, JAE-BONG
Exec Dt:
07/27/2012
3
CHA, IL-HOON
Exec Dt:
07/27/2012
Assignee
1
SK CHEMICALS CO., LD.
600 JEONGJA 1-DONG, JANGAN-KU
SUWON-CITY
KYUNGKI-DO 440-301, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9255183
US20120329983
13582868
Correspondence name and address
MONIQUE M. PERDOK SHONKA
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 14
Reel/Frame:028942/0176   Pages: 4
Recorded: 09/10/2012
Attorney Dkt #:2729.045US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, SUNG-GI
Exec Dt:
07/27/2012
2
CHA, IL-HOON
Exec Dt:
07/27/2012
Assignee
1
SK CHEMICALS CO., LTD.
600 JEONGJA 1-DONG
JANGAN-KU, SUNWON-CITY
KYUNGKI-DO 440-301, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9249263
US20120322971
13582874
Correspondence name and address
MONIQUE M. PERDOK SHONKA
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402--0938
Assignment: 15
Reel/Frame:035244/0101   Pages: 5
Recorded: 03/24/2015
Attorney Dkt #:2729.045US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, SUNG-GI
Exec Dt:
07/27/2012
2
CHA, IL-HOON
Exec Dt:
07/27/2012
Assignee
1
SK CHEMICALS CO., LTD.
686 SAMPYEONG-DONG
BUNDANG-GU, SEONGNAM SI
GYEONGGI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9422401
US20150152227
14612939
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
PO BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 16
Reel/Frame:029645/0775   Pages: 8
Recorded: 01/16/2013
Attorney Dkt #:2729.046US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARK, KYU-TAE
Exec Dt:
12/10/2012
2
KIM, SUNG-GI
Exec Dt:
12/10/2012
3
LIM, JAE-BONG
Exec Dt:
12/10/2012
4
CHA, IL-HOON
Exec Dt:
12/10/2012
5
LEE, SE-HO
Exec Dt:
12/10/2012
Assignee
1
SK CHEMICALS CO., LTD.
686 SAMPYEONG-DONG
BUNDANG-GU SEONGNAM SI
GYEONGGI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9546248
US20130115438
13697282
Correspondence name and address
MONIQUE M. PERDOK SHONKA
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 17
Reel/Frame:034435/0890   Pages: 6
Recorded: 12/09/2014
Attorney Dkt #:5413SK-10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KANG, BYOUNG GOOK
Exec Dt:
11/27/2014
2
CHA, IL-HOON
Exec Dt:
11/26/2014
3
KIM, SUNG-GI
Exec Dt:
11/26/2014
4
LEE, SE-HO
Exec Dt:
11/26/2014
Assignee
1
SK CHEMICALS CO., LTD.
(SAMPYEONG-DONG) 310, PANGYO-RO,
BUNDANG-GU, SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 463-400
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9650515
US20150141550
14406579
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 18
Reel/Frame:037430/0683   Pages: 4
Recorded: 01/07/2016
Attorney Dkt #:15427-000022-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
12/22/2015
2
CHA, IL-HOON
Exec Dt:
12/22/2015
3
KIM, JI-HOON
Exec Dt:
12/22/2015
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 463-400
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9963543
US20160152767
14903401
Correspondence name and address
HARNESS, DICKEY & PIERCE, P.L.C.
P.O. BOX 828
BRYANT E. WADE
BLOOMFIELD HILLS, MI 48303
Assignment: 19
Reel/Frame:045436/0627   Pages: 4
Recorded: 04/04/2018
Attorney Dkt #:17319-000003-US-COB
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
12/22/2015
2
CHA, IL-HOON
Exec Dt:
12/22/2015
3
KIM, JI-HOON
Exec Dt:
12/22/2015
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU, SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 463-400
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10738150
US20180223041
15945092
Correspondence name and address
HARNESS, DICKEY AND PIERCE, PLC.
7700 BONHOMME AVENUE, SUITE 400
ST. LOUIS, MO 63105

Search Results as of: 05/28/2024 01:26 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT