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Patent Assignment Assignor Details
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Assignor Name : REN, KANGTAI
Total Assignments: 14
Assignment: 1
Reel/Frame:017739/0417   Pages: 2
Recorded: 03/30/2006
Attorney Dkt #:4676-4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REN, KANGTAI
Exec Dt:
03/30/2006
2
LAWTON, JOHN A.
Exec Dt:
03/30/2006
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
TE HEERLEN, NETHERLANDS 6411
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7696260
US20070228614
11392866
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 2
Reel/Frame:018543/0938   Pages: 8
Recorded: 11/21/2006
Attorney Dkt #:07783.0167.NPUS02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZANG, HONGMEI
Exec Dt:
10/05/2006
2
REN, KANGTAI
Exec Dt:
09/28/2006
3
HOU, JACK
Exec Dt:
10/09/2006
4
WANG, WANHENG
Exec Dt:
10/12/2006
5
CHANG, CHIA-PU
Exec Dt:
09/28/2006
6
CHEN, JING-DEN
Exec Dt:
10/05/2006
7
CHEN, YAJUAN
Exec Dt:
10/05/2006
8
WANG, FEI
Exec Dt:
10/05/2006
9
CHAUG, YI-SHUNG
Exec Dt:
10/12/2006
Assignee
1
SIPIX IMAGING, INC.
47485 SEABRIDGE DRIVE
FREMONT, CALIFORNIA 94538
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7880958
US20070070030
11517810
Correspondence name and address
HOWREY LLP
1950 UNIVERSITY AVENUE
4TH FLOOR
EAST PALO ALTO, CA 94303
Assignment: 3
Reel/Frame:025874/0867   Pages: 26
Recorded: 02/28/2011
Attorney Dkt #:07783.0167.CPUS03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZANG, HONGMEI
Exec Dt:
02/09/2011
2
REN, KANGTAI
Exec Dt:
01/31/2011
3
HOU, JACK
Exec Dt:
01/26/2011
4
WANG, WANHENG
Exec Dt:
01/28/2011
5
CHANG, CHIA-PU
Exec Dt:
01/28/2011
6
CHEN, JING-DEN
Exec Dt:
02/09/2011
7
CHEN, YAJUAN
Exec Dt:
02/09/2011
8
WANG, FEI
Exec Dt:
02/02/2011
9
CHAUG, YI-SHUNG
Exec Dt:
01/28/2011
10
GU, QUAN
Exec Dt:
02/09/2011
11
CHEN, HUI
Exec Dt:
02/09/2011
Assignee
1
SIPIX IMAGING, INC.
47485 SEABRIDGE DRIVE
FREMONT, CALIFORNIA 94538
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8441432
US20110157682
13007139
Correspondence name and address
HOWREY LLP
1950 UNIVERSITY AVENUE 4TH FLOOR
EAST PALO ALTO, CA 94303
Assignment: 4
Reel/Frame:033651/0632   Pages: 9
Recorded: 09/02/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOUTHWELL, JOHN EDMUND
Exec Dt:
08/26/2014
2
XU, JIGENG
Exec Dt:
08/26/2014
3
REN, KANGTAI
Exec Dt:
08/25/2014
4
DAKE, KEN
Exec Dt:
08/25/2014
5
EAST, SAM
Exec Dt:
08/26/2014
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120251841
13515664
Correspondence name and address
DSM SERVICES USA
1122 ST. CHARLES STREET
ELGIN, IL 60120
Assignment: 5
Reel/Frame:054292/0814   Pages: 4
Recorded: 11/06/2020
Attorney Dkt #:30948-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REN, KANGTAI
Exec Dt:
10/15/2014
2
CAO, HUIMIN
Exec Dt:
10/08/2014
3
PAPACHRISTOPOULOS, ROBIN
Exec Dt:
10/15/2014
4
CATTRON, WENDELL WAYNE
Exec Dt:
10/03/2014
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10889732
US20180163075
15329633
Correspondence name and address
DSM NORTH AMERICA INC.
1122 ST. CHARLES STREET
ELGIN, IL 60120
Assignment: 6
Reel/Frame:034946/0031   Pages: 6
Recorded: 02/12/2015
Attorney Dkt #:30026-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, MINGBO
Exec Dt:
11/10/2014
2
RUNDLETT, BETH
Exec Dt:
10/24/2014
3
REN, KANGTAI
Exec Dt:
11/10/2014
4
LIU, CAROLINE
Exec Dt:
11/10/2014
5
LEE, TAIYEON
Exec Dt:
11/10/2014
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9228073
US20150125702
14533238
Correspondence name and address
DSM SERVICES USA INC.
6480 DOBBIN ROAD
COLUMBIA, MD 21045
Assignment: 7
Reel/Frame:037411/0050   Pages: 6
Recorded: 01/05/2016
Attorney Dkt #:30026-US-CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, MINGBO
Exec Dt:
12/11/2015
2
RUNDLETT, BETH
Exec Dt:
12/15/2015
3
REN, KANGTAI
Exec Dt:
12/11/2015
4
LIU, CAROLINE
Exec Dt:
12/11/2015
5
LEE, TAI YEON
Exec Dt:
12/11/2015
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9951198
US20170283580
14951743
Correspondence name and address
DSM SERVICES USA INC.
6480 DOBBIN ROAD
COLUMBIA, MD 21045
Assignment: 8
Reel/Frame:049638/0148   Pages: 6
Recorded: 07/01/2019
Attorney Dkt #:32109-US-CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KWISNEK, LUKE
Exec Dt:
06/11/2019
2
LEE, TAI YEON
Exec Dt:
06/10/2019
3
JANSEN, JOHAN FRANZ GRADUS ANTONIUS
Exec Dt:
06/11/2019
4
COUSSENS, BETTY
Exec Dt:
06/29/2019
5
REN, KANGTAI
Exec Dt:
06/10/2019
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10400057
US20170275414
15618154
Correspondence name and address
DSM NORTH AMERICA INC.
1122 ST. CHARLES STREET
PATENT DEPARTMENT
ELGIN, IL 60120
Assignment: 9
Reel/Frame:054308/0149   Pages: 3
Recorded: 11/09/2020
Attorney Dkt #:32631-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAO, HUIMIN
Exec Dt:
11/09/2020
2
REN, KANGTAI
Exec Dt:
11/04/2020
3
PEPELS, MARK PETRUS FRANCISCUS
Exec Dt:
11/02/2020
4
JANSEN, JOHAN FRANZ GRADUS ANTONIUS
Exec Dt:
11/03/2020
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11319246
US20200255333
16760476
Correspondence name and address
DSM NORTH AMERICA INC.
1122 ST. CHARLES STREET
ELGIN, IL 60120
Assignment: 10
Reel/Frame:054319/0548   Pages: 3
Recorded: 11/10/2020
Attorney Dkt #:30948-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REN, KANGTAI
Exec Dt:
11/09/2020
2
CAO, HUIMIN
Exec Dt:
11/09/2020
3
CATTRON, WENDELL WAYNE
Exec Dt:
11/10/2020
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10889732
US20180163075
15329633
Correspondence name and address
DSM NORTH AMERICA INC.
1122 ST. CHARLES STREET
ELGIN, IL 60120
Assignment: 11
Reel/Frame:054607/0456   Pages: 4
Recorded: 12/10/2020
Attorney Dkt #:33300-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REN, KANGTAI
Exec Dt:
12/09/2020
2
STEEMAN, PAULUS ANTONIUS MARIA
Exec Dt:
12/08/2020
3
PEPELS, MARK
Exec Dt:
12/08/2020
4
JANSEN, JOHAN FRANZ GRADUS ANTONIUS
Exec Dt:
12/09/2020
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210208333
17056902
Correspondence name and address
DSM NORTH AMERICA INC.
1122 ST. CHARLES STREET
ATTN.: PATENT DEPARTMENT
ELGIN, IL 60120
Assignment: 12
Reel/Frame:057325/0839   Pages: 6
Recorded: 08/30/2021
Attorney Dkt #:BHD-8649-0036
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEEMAN, PAULUS ANTONIUS MARIA
Exec Dt:
08/05/2021
2
PEPELS, MARK PETRUS FRANCISCUS
Exec Dt:
08/05/2021
3
CAO, HUIMIN
Exec Dt:
08/05/2021
4
REN, KANGTAI
Exec Dt:
08/06/2021
Assignee
1
COVESTRO (NETHERLANDS) B.V.
RATELAAR 39F
NIEUWEGEIN, NETHERLANDS 3434 EW
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220017773
17295799
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 13
Reel/Frame:057805/0141   Pages: 9
Recorded: 10/15/2021
Attorney Dkt #:2017PF30326
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAPACHRISTOPOULOS, ROBIN
Exec Dt:
10/14/2021
2
REN, KANGTAI
Exec Dt:
10/14/2021
Assignee
1
COVESTRO (NETHERLANDS) B.V.
RATELAAR 39F
NIEUWEGEIN, NETHERLANDS 3434 EW
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11180594
US20200339718
16957820
Correspondence name and address
COVESTRO (NETHERLANDS) B.V.
HOFKAMP 19
INTELLECTUAL PROPERTY RIGHTS
GELEEN, 6161 DC NETHERLANDS
Assignment: 14
Reel/Frame:061687/0261   Pages: 6
Recorded: 11/08/2022
Attorney Dkt #:2019P30326WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAO, HUIMIN
Exec Dt:
08/01/2022
2
HOUBEN, MARCEL
Exec Dt:
11/07/2022
3
JANSEN, JOHAN FRANZ GRADUS ANTONIUS
Exec Dt:
08/15/2022
4
REN, KANGTAI
Exec Dt:
07/30/2022
Assignee
1
COVESTRO (NETHERLANDS) B.V.
URMONDERBAAN 22
GELEEN, NETHERLANDS 6167RD
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11530163
US20220250978
17629432
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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