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Patent Assignment Assignor Details
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Assignor Name : KEUM, DONG KI
Total Assignments: 8
Assignment: 1
Reel/Frame:043234/0767   Pages: 3
Recorded: 08/08/2017
Attorney Dkt #:I2420.10037US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, BYUNG HOON
Exec Dt:
07/24/2017
2
KEUM, DONG KI
Exec Dt:
07/24/2017
3
PARK, DAE CHUL
Exec Dt:
07/24/2017
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI, JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10430003
US20180018040
15548740
Correspondence name and address
R. BURNS ISRAELSEN
MASCHOFF BRENNAN
1389 CENTER DR. SUITE 300
PARK CITY, UT 84098
Assignment: 2
Reel/Frame:043326/0301   Pages: 4
Recorded: 08/17/2017
Attorney Dkt #:I2420.10036US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, BYUNG HOON
Exec Dt:
07/24/2017
2
KEUM, DONG KI
Exec Dt:
07/24/2017
3
PARK, DAE CHUL
Exec Dt:
07/24/2017
4
SONG, SUN YOUNG
Exec Dt:
07/24/2017
5
JANG, HWANSIL
Exec Dt:
07/24/2017
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI, JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10884555
US20180024671
15550019
Correspondence name and address
R. BURNS ISRAELSEN
MASCHOFF BRENNAN
1389 CENTER DR. SUITE 300
PARK CITY, UT 84098
Assignment: 3
Reel/Frame:050152/0578   Pages: 3
Recorded: 08/23/2019
Attorney Dkt #:I2420.10037US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, BYUNG HOON
Exec Dt:
07/24/2017
2
KEUM, DONG KI
Exec Dt:
07/24/2017
3
PARK, DAE CHUL
Exec Dt:
07/24/2017
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI, JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11011281
US20190377439
16548622
Correspondence name and address
R. BURNS ISRAELSEN
MASCHOFF BRENNAN
1389 CENTER DRIVE, SUITE 300
PARK CITY, UT 84098
Assignment: 4
Reel/Frame:054553/0280   Pages: 4
Recorded: 12/04/2020
Attorney Dkt #:I2420.10035US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, BYUNG HOON
Exec Dt:
07/24/2017
2
KEUM, DONG KI
Exec Dt:
07/24/2017
3
PARK, DAE CHUL
Exec Dt:
07/24/2017
4
SONG, SUN YOUNG
Exec Dt:
07/24/2017
5
JANG, HWANSIL
Exec Dt:
07/24/2017
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI, JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11360612
US20210089151
17109014
Correspondence name and address
R. BURNS ISRAELSEN
MASCHOFF BRENNAN
1389 CENTER DR. SUITE 300
PARK CITY, UT 84098
Assignment: 5
Reel/Frame:043118/0021   Pages: 4
Recorded: 07/27/2017
Attorney Dkt #:P87317DH21
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOON, EUK KUN
Exec Dt:
07/26/2017
2
NOH, SUNG JIN
Exec Dt:
07/26/2017
3
RYU, HAN TAE
Exec Dt:
07/26/2017
4
KEUM, DONG KI
Exec Dt:
07/26/2017
5
SEO, MIN SOO
Exec Dt:
07/26/2017
6
CHO, EUNG GOO
Exec Dt:
07/26/2017
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO, IKSAN-SI
JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10437112
US20180046005
15661413
Correspondence name and address
THE PL LAW GROUP, PLLC
5875 TRINITY PARKWAY
SUITE 110
CENTERVILLE, VA 20120
Assignment: 6
Reel/Frame:046927/0549   Pages: 4
Recorded: 09/20/2018
Attorney Dkt #:DAR-18-1571
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEUM, DONG KI
Exec Dt:
09/03/2018
2
KIM, JI YEON
Exec Dt:
09/03/2018
3
TAK, GWANG YONG
Exec Dt:
09/03/2018
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI
JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190095025
16136715
Correspondence name and address
IP GROUP OF DLA PIPER LLP (US)
ONE LIBERTY PLACE
1650 MARKET ST, SUITE 4900
PHILADELPHIA, PA 19103
Assignment: 7
Reel/Frame:058529/0469   Pages: 2
Recorded: 01/03/2022
Attorney Dkt #:Q71821LC58
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYU, HAN TAE
Exec Dt:
12/28/2021
2
KEUM, DONG KI
Exec Dt:
12/28/2021
3
LEE, MYEONG WON
Exec Dt:
12/28/2021
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO, IKSAN-SI
JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220123244
17567518
Correspondence name and address
THE PL LAW GROUP, PLLC
13800 COPPERMINE ROAD
FL 1-3
HERNDON,, VA 20171
Assignment: 8
Reel/Frame:064667/0080   Pages: 4
Recorded: 08/22/2023
Attorney Dkt #:Q290948
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIM, BYOUNGIN
Exec Dt:
08/21/2023
2
KEUM, DONG KI
Exec Dt:
08/21/2023
3
LEE, JIN
Exec Dt:
08/21/2023
Assignee
1
DONGWOO FINE-CHEM CO., LTD.
132, YAKCHON-RO
IKSAN-SI, JEOLLABUK-DO, KOREA, REPUBLIC OF 54631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240128304
18278297
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 9000
WASHINGTON, DC 20006-1811

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