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Patent Assignment Assignor Details
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Assignor Name : OH, KWANG SEI
Total Assignments: 13
Assignment: 1
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: 2
Reel/Frame:041401/0313   Pages: 5
Recorded: 02/28/2017
Attorney Dkt #:17319-000003-US-DVA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
12/22/2015
2
CHA, II-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 #
 
 
 
 
 
 
 
 
 
 
 
9975991
US20170166693
15445080
Correspondence name and address
HARNESS, DICKEY & PIERCE, P.L.C. (SIEMEN
7700 BONHOMME
SUITE 400
ST. LOUIS, MO 63105
Assignment: 3
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
Assignment: 4
Reel/Frame:052949/0714   Pages: 4
Recorded: 06/16/2020
Attorney Dkt #:17319-000003-US-DVC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
12/22/2015
2
CHA, II-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 #
 
 
 
 
 
 
 
 
 
 
 
11732089
US20200308343
16902468
Correspondence name and address
HARNESS DICKEY (ST. LOUIS)
7700 BONHOMME, SUITE 400
ST. LOUIS, MO 63105
Assignment: 5
Reel/Frame:042822/0898   Pages: 4
Recorded: 06/27/2017
Attorney Dkt #:Q233670
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
05/19/2017
2
LEE, JONG-IN
Exec Dt:
05/19/2017
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10479860
US20170369641
15540052
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037
Assignment: 6
Reel/Frame:051977/0156   Pages: 4
Recorded: 02/20/2020
Attorney Dkt #:Q252869
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OH, KWANG SEI
Exec Dt:
01/15/2020
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11421076
US20200216609
16640472
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:052443/0106   Pages: 4
Recorded: 04/20/2020
Attorney Dkt #:Q254375
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OH, KWANG SEI
Exec Dt:
03/23/2020
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11590682
US20200346386
16757570
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:053149/0098   Pages: 4
Recorded: 07/08/2020
Attorney Dkt #:Q256107
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
06/16/2020
2
LEE, JONG-IN
Exec Dt:
06/16/2020
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11535705
US20200362105
16960615
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006
Assignment: 9
Reel/Frame:054679/0427   Pages: 4
Recorded: 12/17/2020
Attorney Dkt #:Q260018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, KWANG SEI
Exec Dt:
11/30/2020
2
LEE, JONG-IN
Exec Dt:
11/30/2020
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI, GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11479640
US20210301081
17253166
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006
Assignment: 10
Reel/Frame:056238/0129   Pages: 2
Recorded: 05/14/2021
Attorney Dkt #:02001-FLPC (514547)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OH, KWANG SEI
Exec Dt:
03/15/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210380759
17287707
Correspondence name and address
COZEN O'CONNOR
1200 19TH STREET NW, 3RD FLOOR
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:056251/0626   Pages: 2
Recorded: 05/14/2021
Attorney Dkt #:01001-FLPC (514557)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OH, KWANG SEI
Exec Dt:
03/15/2021
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210380760
17287710
Correspondence name and address
COZEN O'CONNOR
1200 19TH STREET NW, 3RD FLOOR
WASHINGTON, DC 20036
Assignment: 12
Reel/Frame:058414/0220   Pages: 5
Recorded: 12/17/2021
Attorney Dkt #:40031-1085
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARK, JUNG HWA
Exec Dt:
12/02/2021
2
OH, KWANG SEI
Exec Dt:
12/02/2021
3
LEE, DONG HOON
Exec Dt:
12/02/2021
4
KIM, NA YOUNG
Exec Dt:
12/02/2021
5
LEE, EUN SU
Exec Dt:
12/02/2021
6
YUM, SEUNG JIB
Exec Dt:
12/02/2021
Assignee
1
KOLON INDUSTRIES, INC.
110, MAGOKDONG-RO, GANGSEO-GU
SEOUL, KOREA, REPUBLIC OF 07793
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220238901
17620199
Correspondence name and address
HARVEST IP LAW, LLP
4208 EVERGREEN LN SUITE # 232
ANNANDALE, VA 22003
Assignment: 13
Reel/Frame:065292/0298   Pages: 8
Recorded: 10/20/2023
Attorney Dkt #:5413SK-73
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOON, JUNG-ME
Exec Dt:
08/31/2023
2
OH, KWANG SEI
Exec Dt:
08/09/2023
3
HWANG, SIN YOUNG
Exec Dt:
08/31/2023
4
HWANG, JEOUNG-JUN
Exec Dt:
09/07/2023
Assignee
1
SK CHEMICALS CO., LTD.
310, PANGYO-RO, BUNDANG-GU
SEONGNAM-SI
GYEONGGI-DO, KOREA, REPUBLIC OF 13494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240166814
18556427
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202

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