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Patent Assignment Assignor Details
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Assignor Name : HAN, HEE SIK
Total Assignments: 24
Assignment: 1
Reel/Frame:021788/0927   Pages: 11
Recorded: 11/05/2008
Attorney Dkt #:10125-4323
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, JONG HAG
Exec Dt:
11/01/2008
2
SON, KI MOCK
Exec Dt:
10/29/2008
3
KIM, YOUNG HEE
Exec Dt:
10/30/2008
4
KANG, HAN JUN
Exec Dt:
10/30/2008
5
HAN, HEE SIK
Exec Dt:
10/30/2008
6
LEE, SANG MIN
Exec Dt:
10/30/2008
7
KIM, JONG SEON
Exec Dt:
10/30/2008
Assignees
1
LG. DISPLAY CO. LTD.
20, YOIDO-DONG, YOUNGDUNGPO-GU
SEOUL, KOREA, REPUBLIC OF
2
YOULCHON CHEMICAL LTD.
15F, DOYEONGWAN #370-1, SINDAEBANG-DONG, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8916272
US20090104467
12254319
Correspondence name and address
BRINKS HOFER GILSON & LIONE
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 2
Reel/Frame:023347/0665   Pages: 5
Recorded: 09/30/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SON, KI MOCK
Exec Dt:
06/18/2009
2
AN, YOUNG HEE
Exec Dt:
06/18/2009
3
KIM, JONG HAK
Exec Dt:
06/18/2009
4
KIM, YOUNG HEE
Exec Dt:
06/23/2009
5
KANG, HAN JUN
Exec Dt:
06/23/2009
6
HAN, HEE SIK
Exec Dt:
06/23/2009
7
LEE, SANG MIN
Exec Dt:
06/23/2009
8
KIM, JONG SEON
Exec Dt:
06/23/2009
Assignees
1
LG DISPLAY CO., LTD.
20 YOIDO-DONG YOUNDDUNGPO-GU
SEOUL, KOREA, REPUBLIC OF
2
YOULCHON CHEMICAL LTD.
15F, DOYEONGWAN #370-1
SINDAEBANG-DONG, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7934598
US20100155278
12461077
Correspondence name and address
SONG K. JUNG
MCKENNA LONG & ALDRIDGE LLP
1900 K STREET, N.W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:026356/0381   Pages: 2
Recorded: 05/28/2011
Attorney Dkt #:KIM22
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, YOUNG-HEE
Exec Dt:
04/25/2011
2
KANG, HAN JUN
Exec Dt:
04/25/2011
3
HAN, HEE SIK
Exec Dt:
04/25/2011
4
YOON, JONG WOON
Exec Dt:
04/25/2011
Assignee
1
YOUL CHON CHEMICAL CO., LTD.
#370-1, SINDAEBANG-DONG
DONGIAK-GU
SEOUL, KOREA, REPUBLIC OF 156-709
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110212361
13127109
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET NW
SUITE # 1100
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:026923/0485   Pages: 4
Recorded: 09/16/2011
Attorney Dkt #:KIM22
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ERRORS IN THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 026356 FRAME 0381. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNEE'S ADDRESS SHOULD READ: #370-1, SINDAEBANG-DONG, DONGJAK-GU, SEOUL 156-709, REPUBLIC OF KOREA.
Assignors
1
KIM, YOUNG-HEE
Exec Dt:
04/25/2011
2
KANG, HAN JUN
Exec Dt:
04/25/2011
3
HAN, HEE SIK
Exec Dt:
04/25/2011
4
YOON, JONG WOON
Exec Dt:
04/25/2011
Assignee
1
YOUL CHON CHEMICAL CO., LTD.
#370-1, SINDAEBANG-DONG, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 156-709
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110212361
13127109
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET NW
SUITE # 1100
WASHINGTON, DC 20006
Assignment: 5
Reel/Frame:027885/0434   Pages: 3
Recorded: 03/19/2012
Attorney Dkt #:Q129846
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KANG, HAN JUN
Exec Dt:
03/08/2012
2
HAN, HEE SIK
Exec Dt:
03/06/2012
3
JUNG, WOO SIC
Exec Dt:
03/08/2012
4
LEE, SUNG HO
Exec Dt:
03/06/2012
5
YOON, JONG WOON
Exec Dt:
03/08/2012
6
KIM, JI HEE
Exec Dt:
03/06/2012
7
LEE, SANG MIN
Exec Dt:
03/08/2012
Assignee
1
YOUL CHON CHEMICAL CO., LTD.
#370-1, SINDAEBANG-DONG, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 156-709
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8980413
US20120183706
13496927
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVE NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 6
Reel/Frame:030650/0440   Pages: 3
Recorded: 06/20/2013
Attorney Dkt #:Q204878
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUNG, JAE CHUL
Exec Dt:
06/12/2013
2
KANG, HAN JOON
Exec Dt:
06/12/2013
3
HAN, HEE SIK
Exec Dt:
06/12/2013
4
LEE, SUNG HO
Exec Dt:
06/12/2013
5
KIM, JIN HO
Exec Dt:
06/12/2013
Assignee
1
YOUL CHON CHEMICAL CO., LTD.
#370-1, SINDAEBANG-DONG
DONGJAK-GU, SEOUL, KOREA, REPUBLIC OF 156-709
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130263922
13995397
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVE NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 7
Reel/Frame:042759/0428   Pages: 3
Recorded: 06/20/2017
Attorney Dkt #:Q233569
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, HEE SIK
Exec Dt:
05/23/2017
2
KIM, KYUNG CHAN
Exec Dt:
05/23/2017
3
PARK, JONG HYUB
Exec Dt:
05/23/2017
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180138480
15627858
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 8
Reel/Frame:054210/0083   Pages: 9
Recorded: 10/29/2020
Attorney Dkt #:64671-P002US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
10/28/2020
2
PARK, HAN CHUL
Exec Dt:
10/26/2020
3
HAN, HEE SIK
Exec Dt:
10/26/2020
4
LEE, JI MIN
Exec Dt:
10/26/2020
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11916241
US20220077439
17083637
Correspondence name and address
WINSTEAD PC
P.O. BOX 131851
DALLAS, TX 75313
Assignment: 9
Reel/Frame:065704/0437   Pages: 9
Recorded: 11/29/2023
Attorney Dkt #:64671-P002C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
10/28/2020
2
PARK, HAN CHUL
Exec Dt:
10/26/2020
3
HAN, HEE SIK
Exec Dt:
10/26/2020
4
LEE, JI MIN
Exec Dt:
10/26/2020
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12294097
US20240079697
18387759
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 10
Reel/Frame:071361/0612   Pages: 9
Recorded: 06/09/2025
Attorney Dkt #:64671-P002C1P1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
10/28/2020
2
HAN, HEE SIK
Exec Dt:
10/26/2020
3
PARK, HAN CHUL
Exec Dt:
10/26/2020
4
LEE, JI MIN
Exec Dt:
10/26/2020
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250273782
19199137
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 11
Reel/Frame:062587/0001   Pages: 10
Recorded: 02/03/2023
Attorney Dkt #:JSIP-1150US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
02/01/2023
2
HAN, HEE SIK
Exec Dt:
01/26/2023
3
KIM, JIN HO
Exec Dt:
01/26/2023
4
LEE, JI MIN
Exec Dt:
01/26/2023
5
PARK, HAN CHUL
Exec Dt:
01/26/2023
6
JUNG, JONG HYUK
Exec Dt:
01/26/2023
7
CHOI, HYEONG ROK
Exec Dt:
01/26/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240253342
18162961
Correspondence name and address
MENDELSOHN DUNLEAVY, P.C.
1500 JOHN F. KENNEDY BLVD.
TWO PENN CENTER, SUITE 910
PHILADELPHIA, PA 19102
Assignment: 12
Reel/Frame:066003/0989   Pages: 10
Recorded: 01/03/2024
Attorney Dkt #:64671-P029US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
09/04/2023
2
HAN, HEE SIK
Exec Dt:
09/04/2023
3
JANG, JEE EUN
Exec Dt:
09/04/2023
4
KIM, YOOHAN
Exec Dt:
09/04/2023
5
LEE, DOOHEE
Exec Dt:
09/04/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240222755
18527239
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 13
Reel/Frame:066186/0038   Pages: 9
Recorded: 01/19/2024
Attorney Dkt #:64671-P031US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
09/04/2023
2
HAN, HEE SIK
Exec Dt:
09/04/2023
3
JANG, JEE EUN
Exec Dt:
09/04/2023
4
KIM, HUIHUN
Exec Dt:
09/04/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240222749
18397945
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 14
Reel/Frame:066266/0479   Pages: 13
Recorded: 01/26/2024
Attorney Dkt #:64671-P032US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
09/04/2023
2
HAN, HEE SIK
Exec Dt:
09/04/2023
3
KIM, HUIHUN
Exec Dt:
09/04/2023
4
SHIN, SUNG CHUL
Exec Dt:
09/04/2023
5
SONG, MOONKYU
Exec Dt:
09/04/2023
6
LEE, JI MIN
Exec Dt:
09/04/2023
7
PARK, HAN CHUL
Exec Dt:
09/04/2023
8
KIM, GEON RYONG
Exec Dt:
09/04/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240222750
18398586
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 15
Reel/Frame:065606/0030   Pages: 8
Recorded: 11/17/2023
Attorney Dkt #:64671-P027US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
10/24/2023
2
HAN, HEE SIK
Exec Dt:
10/24/2023
3
PARK, HAN CHUL
Exec Dt:
10/24/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240154216
18386747
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 16
Reel/Frame:065682/0472   Pages: 10
Recorded: 11/28/2023
Attorney Dkt #:64671-P028US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
10/24/2023
2
HAN, HEE SIK
Exec Dt:
10/24/2023
3
PARK, HAN CHUL
Exec Dt:
10/24/2023
4
LEE, JI MIN
Exec Dt:
10/24/2023
5
KIM, GEON RYONG
Exec Dt:
10/24/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240145822
18386800
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 17
Reel/Frame:066064/0172   Pages: 8
Recorded: 01/09/2024
Attorney Dkt #:64671-P030US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
12/20/2023
2
HAN, HEE SIK
Exec Dt:
12/20/2023
3
JANG, JEE EUN
Exec Dt:
12/20/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240213589
18393340
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 18
Reel/Frame:066186/0318   Pages: 11
Recorded: 01/19/2024
Attorney Dkt #:64671-P033US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
12/20/2023
2
HAN, HEE SIK
Exec Dt:
12/20/2023
3
JANG, JEE EUN
Exec Dt:
12/20/2023
4
LEE, DOOHEE
Exec Dt:
12/20/2023
5
KIM, GEON RYONG
Exec Dt:
12/20/2023
6
KIM, YOOHAN
Exec Dt:
12/20/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240222756
18398938
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 19
Reel/Frame:066186/0562   Pages: 12
Recorded: 01/19/2024
Attorney Dkt #:64671-P034US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
12/20/2023
2
HAN, HEE SIK
Exec Dt:
12/20/2023
3
LEE, DOOHEE
Exec Dt:
12/20/2023
4
JANG, JEE EUN
Exec Dt:
12/20/2023
5
KIM, YOOHAN
Exec Dt:
12/20/2023
6
SHIN, SUNG CHUL
Exec Dt:
12/20/2023
7
SONG, MOONKYU
Exec Dt:
12/20/2023
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240222757
18399396
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 20
Reel/Frame:067273/0839   Pages: 10
Recorded: 04/30/2024
Attorney Dkt #:64671-P035US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
03/25/2024
2
HAN, HEE SIK
Exec Dt:
03/25/2024
3
KIM, HUIHUN
Exec Dt:
03/20/2024
4
SHIN, SUNG CHUL
Exec Dt:
03/20/2024
5
SONG, MOONKYU
Exec Dt:
03/20/2024
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240339700
18628744
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 21
Reel/Frame:067280/0591   Pages: 14
Recorded: 05/01/2024
Attorney Dkt #:64671-P036US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
03/25/2024
2
HAN, HEE SIK
Exec Dt:
03/25/2024
3
KIM, HUIHUN
Exec Dt:
03/20/2024
4
LEE, JI MIN
Exec Dt:
03/20/2024
5
PARK, HAN CHUL
Exec Dt:
03/20/2024
6
LEE, DOOHEE
Exec Dt:
03/20/2024
7
KIM, GEON RYONG
Exec Dt:
03/20/2024
8
SHIN, SUNG CHUL
Exec Dt:
03/20/2024
9
SONG, MOONKYU
Exec Dt:
03/20/2024
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240339702
18628755
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 22
Reel/Frame:067285/0481   Pages: 12
Recorded: 05/01/2024
Attorney Dkt #:64671-P037US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
03/25/2024
2
HAN, HEE SIK
Exec Dt:
03/25/2024
3
LEE, JI MIN
Exec Dt:
03/20/2024
4
PARK, HAN CHUL
Exec Dt:
03/20/2024
5
KIM, HUIHUN
Exec Dt:
03/20/2024
6
LEE, DOOHEE
Exec Dt:
03/20/2024
7
KIM, GEON RYONG
Exec Dt:
03/20/2024
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240339701
18628756
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 23
Reel/Frame:067834/0695   Pages: 7
Recorded: 06/25/2024
Attorney Dkt #:64671-P038US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, NOK JUNG
Exec Dt:
05/14/2024
2
HAN, HEE SIK
Exec Dt:
05/10/2024
3
KIM, HUIHUN
Exec Dt:
05/10/2024
4
JANG, JEE EUN
Exec Dt:
05/10/2024
5
LEE, DOOHEE
Exec Dt:
05/10/2024
6
SHIN, SUNG CHUL
Exec Dt:
05/10/2024
7
SONG, MOONKYU
Exec Dt:
05/10/2024
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112, YEOUIDAEBANG-RO
DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240396131
18673208
Correspondence name and address
WINSTEAD PC
2728 N. HARWOOD
SUITE 500
DALLAS, TX 75201
Assignment: 24
Reel/Frame:070362/0136   Pages: 6
Recorded: 02/28/2025
Attorney Dkt #:BAEK11PUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUNG, JONG HYUK
Exec Dt:
02/03/2025
2
SONG, NOK JUNG
Exec Dt:
02/03/2025
3
HAN, HEE SIK
Exec Dt:
02/03/2025
4
KIM, JIN HO
Exec Dt:
02/03/2025
5
JANG, JEE EUN
Exec Dt:
02/03/2025
6
PARK, HAN CHUL
Exec Dt:
02/03/2025
7
SHIN, SUNG CHUL
Exec Dt:
02/03/2025
Assignee
1
YOULCHON CHEMICAL CO., LTD.
112 YEOUIDAEBANG-RO, DONGJAK-GU
SEOUL, KOREA, REPUBLIC OF 07057
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250219200
18991447
Correspondence name and address
LUIS A. CARRION 216.621.61
1621 EUCLID AVE
FLOOR 19
CLEVELAND, OH 44115

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