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Patent Assignment Assignor Details
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Assignor Name : CHO, SEUNG DUK
Total Assignments: 13
Assignment: 1
Reel/Frame:006731/0781   Pages: 3
Recorded: 10/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KO, YOUNG HOON
Exec Dt:
09/13/1993
2
CHO, SEUNG DUK
Exec Dt:
09/13/1993
3
JEON, BYUNG CHEOL
Exec Dt:
09/13/1993
Assignee
1
KOREA KUMHO PETROCHEMICAL CO., LTD.
70, SEOLIN-DONG, CHONGNO-KU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5399654
NONE
08139000
Correspondence name and address
JOHN S. EGBERT
HARRISON & EGBERT
1018 PRESTON ST., SUITE 100
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:027847/0400   Pages: 3
Recorded: 03/12/2012
Attorney Dkt #:423.1069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, JUNG HOON
Exec Dt:
02/06/2012
2
YOON, DAE KYUNG
Exec Dt:
02/06/2012
3
HONG, YONG HWA
Exec Dt:
02/06/2012
4
CHO, SEUNG DUK
Exec Dt:
02/06/2012
Assignee
1
KOREA KUMHO PETROCHEMICAL CO., LTD.
KUMHO ASIANA MAIN TOWER, #115, SINMUNNO 1-GA, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-857
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8889901
US20120203030
13367762
Correspondence name and address
DAVIDSON, DAVIDSON & KAPPEL, LLC
485 SEVENTH AVENUE
14TH FLOOR
NEW YORK, NY 10018
Assignment: 3
Reel/Frame:028652/0372   Pages: 3
Recorded: 07/26/2012
Attorney Dkt #:423.1073
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OH, JUNG HOON
Exec Dt:
07/19/2012
2
YOON, DAE KYUNG
Exec Dt:
07/19/2012
3
CHO, SEUNG DUK
Exec Dt:
07/20/2012
4
PARK, SO JEONG
Exec Dt:
07/20/2012
Assignee
1
KOREA KUMHO PETROCHEMICAL CO., LTD.
KUMHO ASIANA MAIN TOWER, #115, SINMUNNO 1-GA, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF 110-857
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8853441
US20130035503
13557893
Correspondence name and address
DAVIDSON, DAVIDSON & KAPPEL, LLC
485 SEVENTH AVENUE
14TH FLOOR
NEW YORK, NY 10018
Assignment: 4
Reel/Frame:054184/0101   Pages: 6
Recorded: 10/27/2020
Attorney Dkt #:088453-8338.US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARK, DAE SIK
Exec Dt:
09/24/2020
2
KANG, BYUNG CHEOL
Exec Dt:
09/24/2020
3
CHO, SEUNG DUK
Exec Dt:
09/24/2020
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO
BUBAL-EUB, GYEONGGI-DO
ICHEON-SI, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11726947
US20210390074
17081595
Correspondence name and address
BING AI
PO BOX 1247
SEATTLE, WA 98111-1247
Assignment: 5
Reel/Frame:056579/0496   Pages: 6
Recorded: 06/17/2021
Attorney Dkt #:088453-8426.US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
06/03/2021
2
PARK, DAE SIK
Exec Dt:
06/03/2021
3
CHO, SEUNG DUK
Exec Dt:
06/03/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO
BUBAL-EUB, GYEONGGI-DO
ICHEON-SI, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11599495
US20220318180
17350945
Correspondence name and address
BING AI
PO BOX 1247
SEATTLE, WA 98111-1247
Assignment: 6
Reel/Frame:056572/0619   Pages: 7
Recorded: 06/17/2021
Attorney Dkt #:088453-8436.US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
06/04/2021
2
PARK, DAE SIK
Exec Dt:
06/04/2021
3
JANG, JAE YOUNG
Exec Dt:
06/04/2021
4
KANG, BYUNG CHEOL
Exec Dt:
06/04/2021
5
CHO, SEUNG DUK
Exec Dt:
06/04/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO
BUBAL-EUB, GYEONGGI-DO
ICHEON-SI, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11546128
US20210391973
17349775
Correspondence name and address
BING AI
PO BOX 1247
SEATTLE, WA 98111-1247
Assignment: 7
Reel/Frame:060197/0466   Pages: 7
Recorded: 06/14/2022
Attorney Dkt #:088453-8436.US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
06/04/2021
2
PARK, DAE SIK
Exec Dt:
06/04/2021
3
JANG, JAE YOUNG
Exec Dt:
06/04/2021
4
KANG, BYUNG CHEOL
Exec Dt:
06/04/2021
5
CHO, SEUNG DUK
Exec Dt:
06/04/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO
BUBAL-EUB, GYEONGGI-DO
ICHEON-SI, KOREA, REPUBLIC OF 17336
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220311590
17840340
Correspondence name and address
BING AI
P.O. BOX 1247
SEATTLE, WA 98111-1247
Assignment: 8
Reel/Frame:064211/0844   Pages: 7
Recorded: 07/11/2023
Attorney Dkt #:088453.8436.US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
06/04/2021
2
PARK, DAE SIK
Exec Dt:
06/04/2021
3
JANG, JAE YOUNG
Exec Dt:
06/04/2021
4
KANG, BYUNG CHEOL
Exec Dt:
06/04/2021
5
CHO, SEUNG DUK
Exec Dt:
06/04/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO
BUBAL-EUB, GYEONGGI-DO
ICHEON-SI, KOREA, REPUBLIC OF 17336
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230353341
18350220
Correspondence name and address
BING AI
P.O. BOX 1247
SEATTLE, WA 98111-1247
Assignment: 9
Reel/Frame:056807/0413   Pages: 6
Recorded: 07/09/2021
Attorney Dkt #:FP21-2241/HNX/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUNG, IN HO
Exec Dt:
06/25/2021
2
YANG, JI WOON
Exec Dt:
06/25/2021
3
JEONG, GI JO
Exec Dt:
06/25/2021
4
CHO, SEUNG DUK
Exec Dt:
06/25/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO, BUBAL-EUB, ICHEON-SI
GYEONGGI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11625195
US20220261185
17372053
Correspondence name and address
IP & T GROUP LLP
102 MAPLE AVE. E
VIENNA, VA 22180
Assignment: 10
Reel/Frame:057832/0910   Pages: 3
Recorded: 10/19/2021
Attorney Dkt #:100SK1078US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
08/19/2021
2
KANG, BYUNG CHEOL
Exec Dt:
08/19/2021
3
CHO, SEUNG DUK
Exec Dt:
08/19/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO, BUBAL-EUP,
GYEONGGI-DO
ICHEON, KOREA, REPUBLIC OF 17336
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220327080
17504351
Correspondence name and address
AMPACC LAW GROUP, PLLC
6100 219TH ST SW #580
MOUNTLAKE TERRACE, WA 98043
Assignment: 11
Reel/Frame:057833/0598   Pages: 3
Recorded: 10/19/2021
Attorney Dkt #:100SK1077US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
08/31/2021
2
JANG, JAE YOUNG
Exec Dt:
08/31/2021
3
CHO, SEUNG DUK
Exec Dt:
08/31/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO, BUBAL-EUP,
GYEONGGI-DO
ICHEON, KOREA, REPUBLIC OF 17336
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220327228
17504346
Correspondence name and address
AMPACC LAW GROUP, PLLC
6100 219TH ST SW #580
MOUNTLAKE TERRACE, WA 98043
Assignment: 12
Reel/Frame:057885/0568   Pages: 4
Recorded: 10/21/2021
Attorney Dkt #:100SK1096US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEON, YONG TAE
Exec Dt:
10/08/2021
2
KANG, BYUNG CHEOL
Exec Dt:
10/08/2021
3
CHO, SEUNG DUK
Exec Dt:
10/08/2021
4
YOON, SANG HYUN
Exec Dt:
10/08/2021
5
HAN, SE HYEON
Exec Dt:
10/08/2021
6
JANG, JAE YOUNG
Exec Dt:
10/08/2021
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO, BUBAL-EUP,
GYEONGGI-DO
ICHEON, KOREA, REPUBLIC OF 17336
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11928070
US20220327082
17506610
Correspondence name and address
AMPACC LAW GROUP, PLLC
6100 219TH ST SW #580
MOUNTLAKE TERRACE, WA 98043
Assignment: 13
Reel/Frame:062373/0017   Pages: 6
Recorded: 01/13/2023
Attorney Dkt #:OPE221483US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHO, SEUNG DUK
Exec Dt:
12/06/2022
2
CHANG, WOO TAE
Exec Dt:
12/06/2022
3
JEONG, GI JO
Exec Dt:
12/06/2022
4
JOH, JUNG HYUN
Exec Dt:
12/06/2022
Assignee
1
SK HYNIX INC.
2091, GYEONGCHUNG-DAERO, BUBAL-EUB, ICHEON-SI
GYEONGGI-DO, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240078322
18096561
Correspondence name and address
IP&T GROUP LLP
102 MAPLE AVE. E
VIENNA, VA 22180

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