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Patent Assignment Assignor Details
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Assignor Name : LI, CHANGJIANG
Total Assignments: 13
Assignment: 1
Reel/Frame:013388/0506   Pages: 4
Recorded: 01/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAHOON, REBECCA E.
Exec Dt:
09/20/2002
2
FAMODU, OMOLAYO O.
Exec Dt:
11/07/2002
3
HARVELL, LESLIE T.
Exec Dt:
11/07/2002
4
ALLEN, WILLIAM B.
Exec Dt:
08/14/2002
5
HELENTJARIS, TIMOTHY G.
Exec Dt:
08/21/2002
6
LI, CHANGJIANG
Exec Dt:
08/21/2002
7
LOWE, KEITH S.
Exec Dt:
08/21/2002
8
OLIVEIRA, IGOR CUNHA
Exec Dt:
08/21/2002
9
SHEN, BO
Exec Dt:
08/21/2002
10
TARCZYNSKI, MITCHELL C.
Exec Dt:
08/21/2002
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
BARLEY MILL PLAZA 25
LEGAL PATENTS
WILMINGTON, DELAWARE 19880-0025
2
PIONEER HI-BRED INTERNATIONAL, INC.
400 LOCUST STREET
800 CAPITAL SQUARE
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7294759
US20030126638
10180375
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
LYNNE M. CHRISTENBURY
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DE 19880-0025
Assignment: 2
Reel/Frame:013097/0367   Pages: 13
Recorded: 09/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TARCZYNSKI, MITCHELL C.
Exec Dt:
08/28/2002
2
OLSEN, ODD-ARNE
Exec Dt:
08/28/2002
3
SHEN, BO
Exec Dt:
08/28/2002
4
LID, STEIN E.
Exec Dt:
09/11/2002
5
LI, CHANGJIANG
Exec Dt:
08/28/2002
6
JUNG, RUDOLF
Exec Dt:
08/28/2002
7
GRUIS, DARREN B.
Exec Dt:
08/28/2002
8
LORENTZEN, JENNIFER A.
Exec Dt:
08/28/2002
9
ANANICV, EVGUENI
Exec Dt:
08/28/2002
10
NICHOLS, SCOTT E.
Exec Dt:
09/04/2002
11
WANG, CUNXI
Exec Dt:
08/28/2002
Assignee
1
PIONEER HI-BRED INTERNATIONAL, INC.
400 LOCUST STREET, 800 CAPITAL SQUARE
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7189889
US20030074689
10208948
Correspondence name and address
PIONEER HI-BRED INTERNATIONAL, INC.
KATHRYN K. LAPPEGARD
7100 NW 62ND AVENUE
JOHNSTON, IA 50131-1000
Assignment: 3
Reel/Frame:013301/0150   Pages: 4
Recorded: 12/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLEN, STEPHEN M.
Exec Dt:
10/31/2002
2
CAHOON, REBECCA E.
Exec Dt:
09/26/2002
3
EPELBAUM, SABINE
Exec Dt:
12/03/2002
4
FAMODU, OMOLAYO O.
Exec Dt:
10/31/2002
5
HARVELL, LESLIE T.
Exec Dt:
10/31/2002
6
JONES, TODD J.
Exec Dt:
08/14/2002
7
KINNEY, ANTHONY J.
Exec Dt:
12/04/2002
8
KLEIN, THEODORE M.
Exec Dt:
10/04/2002
9
SAKAI, HAJIME
Exec Dt:
11/01/2002
10
ALLEN, WILLIAM B.
Exec Dt:
09/19/2002
11
LI, CHANGJIANG
Exec Dt:
09/19/2002
12
OLIVEIRA, IGOR CUNHA
Exec Dt:
09/24/2002
13
SHEN, BO
Exec Dt:
09/19/2002
14
TARCZYNSKI, MITCHELL C.
Exec Dt:
09/16/2002
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
BARLEY MILL PLAZA 25
LEGAL PATENTS
WILMINGTON, DELAWARE 19880-0025
2
PIONEER HI-BRED INTERNATIONAL, INC.
400 LOCUST STREET
800 CAPITAL SQUARE
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7157621
US20030204870
10183687
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
LYNNE M. CHRISTENBURY
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DE 19880-0025
Assignment: 4
Reel/Frame:014801/0173   Pages: 4
Recorded: 06/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLEN, STEPHEN M.
Exec Dt:
10/31/2002
2
CAHOON, REBECCA E.
Exec Dt:
09/26/2002
3
EPELBAUM, SABINE
Exec Dt:
12/03/2002
4
FAMODU, OMOLAYO O.
Exec Dt:
10/31/2002
5
HARVELL, LESLIE T.
Exec Dt:
10/31/2002
6
JONES, TODD J.
Exec Dt:
08/14/2002
7
KINNEY, ANTHONY J.
Exec Dt:
12/04/2002
8
KLEIN, THEODORE M.
Exec Dt:
10/04/2002
9
SAKAI, HAJIME
Exec Dt:
11/01/2002
10
ALLEN, WILLIAM B.
Exec Dt:
09/19/2002
11
LI, CHANGJIANG
Exec Dt:
09/19/2002
12
OLIVEREIRA, IGOR CUNHA
Exec Dt:
09/24/2002
13
SHEN, BO
Exec Dt:
09/19/2002
14
TARCZYNSKI, MITCHELL C.
Exec Dt:
09/16/2002
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL PATENTS
WILMINGTON, DELAWARE 19898
2
PIONEER HI-BRED INTERNATIONAL, INC.
400 LOCUST STREET
800 CAPITAL SQUARE
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7157621
US20030204870
10183687
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
LYNNE M. CHRISTENBURY
BARLEY MILL PLAZA 25
WILMINGTON, DE 19880-0025
Assignment: 5
Reel/Frame:015196/0224   Pages: 4
Recorded: 09/29/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLEN, STEPHEN M.
Exec Dt:
10/31/2002
2
CAHOON, REBECCA E.
Exec Dt:
09/26/2002
3
EPELBAUM, SABINE
Exec Dt:
12/03/2002
4
FAMODU, OMOLAYO O.
Exec Dt:
10/31/2002
5
HARVELL, LESLIE T.
Exec Dt:
10/31/2002
6
JONES, TODD J.
Exec Dt:
08/14/2002
7
KINNEY, ANTHONY J.
Exec Dt:
12/04/2002
8
KLEIN, THEODORE M.
Exec Dt:
10/04/2002
9
SAKAI, HAJIME
Exec Dt:
11/01/2002
10
ALLEN, WILLIAM B.
Exec Dt:
09/19/2002
11
LI, CHANGJIANG
Exec Dt:
09/19/2002
12
OLIVEIRA, IGOR CUNHA
Exec Dt:
09/24/2002
13
SHEN, BO
Exec Dt:
09/19/2002
14
TARCZYNSKI, MITCHELL C.
Exec Dt:
09/16/2002
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
2
PIONEER HI-BRED INTERNATIONAL, INC.
800 CAPITAL SQUARE
400 LOCUST STREET
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7157621
US20030204870
10183687
Correspondence name and address
LYNNE M. CHRISTENBURY
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 6
Reel/Frame:015686/0851   Pages: 6
Recorded: 07/26/2004
Conveyance: RE-RECORD TO CORRECT THE NAME OF THE TWELFTH ASSIGNOR, PREVIOUSLY RECORDED ON REEL 014801 FRAME 0173, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
ALLEN, STEPHEN M.
Exec Dt:
10/31/2002
2
CAHOON, REBECCA E.
Exec Dt:
09/26/2002
3
EPELBAUM, SABINE
Exec Dt:
12/03/2002
4
FAMODU, OMOLAYO O.
Exec Dt:
10/31/2002
5
HARVELL, LESLIE T.
Exec Dt:
10/31/2002
6
JONES, TODD J.
Exec Dt:
08/14/2002
7
KINNEY, ANTHONY J.
Exec Dt:
12/04/2002
8
KLEIN, THEODORE M.
Exec Dt:
10/04/2002
9
SAKAI, HAJIME
Exec Dt:
11/01/2002
10
ALLEN, WILLIAM B.
Exec Dt:
09/19/2002
11
LI, CHANGJIANG
Exec Dt:
09/19/2002
12
OLIVEIRA, IGOR CUNHA
Exec Dt:
09/24/2002
13
SHEN, BO
Exec Dt:
09/19/2002
14
TAREZYNSKI, MITCHELL C.
Exec Dt:
09/16/2002
Assignees
1
E.I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL PATENTS
WILMINGTON, DELAWARE 19898
2
PIONEER HI-BRED INTERNATIONAL, INC.
800 CAPITAL SQUARE
400 LOCUST STREET
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7157621
US20030204870
10183687
Correspondence name and address
E. I. DU PONT DE NEMOUS AND COMPANY
LYNNE M. CHRISTENBURY
LEGAL PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19880-0025
Assignment: 7
Reel/Frame:019003/0453   Pages: 8
Recorded: 03/13/2007
Attorney Dkt #:1390EC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TARCZYNSKI, MITCHELL C.
Exec Dt:
03/08/2007
2
SHEN, BO
Exec Dt:
03/08/2007
3
LI, CHANGJIANG
Exec Dt:
03/08/2007
4
JUNG, RUDOLF
Exec Dt:
03/08/2007
5
GRUIS, DARREN B.
Exec Dt:
03/08/2007
Assignee
1
PIONEER HI-BRED INTERNATIONAL, INC.
7100 NW 62ND AVENUE, PO BOX 1014
JOHNSTON, IOWA 50131-1014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070231905
11676319
Correspondence name and address
SHERI BILLER
7250 NW 62ND AVENUE, PO BOX 552
JOHNSTON, IA 50131-0552
Assignment: 8
Reel/Frame:023240/0001   Pages: 6
Recorded: 09/16/2009
Attorney Dkt #:BB1635USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROESLER, KEITH
Exec Dt:
06/25/2009
2
BERMUDEZ, ERICKA
Exec Dt:
06/25/2009
3
MEYER, KNUT
Exec Dt:
06/25/2009
4
LI, CHANGJIANG
Exec Dt:
06/30/2009
5
DAMUDE, HOWARD GLENN
Exec Dt:
06/24/2009
6
TARCZYNSKI, MITCHELL C.
Exec Dt:
06/25/2009
7
SHEN, BO
Exec Dt:
06/25/2009
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19809
2
PIONEER HI-BRED INTERNATIONAL, INC.
800 CAPITAL SQUARE
400 LOCUST STREET
DES MOINES, IOWA 50309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8101819
US20090293152
12470569
Correspondence name and address
LILA AKRAD
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 9
Reel/Frame:046226/0139   Pages: 7
Recorded: 06/28/2018
Attorney Dkt #:BB1635-US-CNT4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIONEER HI-BRED INTERNATIONAL, INC.
Exec Dt:
06/19/2016
2
MEYER, KNUT
Exec Dt:
06/25/2009
3
DAMUDE, HOWARD GLENN
Exec Dt:
06/24/2009
4
ROESLER, KEITH
Exec Dt:
06/25/2009
5
SHEN, BO
Exec Dt:
06/25/2009
6
TARCZYNSKI, MITCHELL C.
Exec Dt:
06/25/2009
7
LI, CHANGJIANG
Exec Dt:
06/30/2009
8
BERMUDEZ, ERICKA
Exec Dt:
06/25/2009
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA
974 CENTRE ROAD, P.O. 2915
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10633666
US20180291391
16005018
Correspondence name and address
PIONEER HI-BRED INTERNATIONAL, INC.
7250 N.W. 62ND AVENUE
P.O. BOX 552
JOHNSTON, IA 50131-0552
Assignment: 10
Reel/Frame:047411/0962   Pages: 4
Recorded: 11/05/2018
Attorney Dkt #:0138/0454PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHANGSONG
Exec Dt:
10/23/2018
2
LI, CHANGJIANG
Exec Dt:
10/23/2018
3
CHENG, GUOYONG
Exec Dt:
10/23/2018
4
LI, RONGSHU
Exec Dt:
10/23/2018
Assignee
1
WEIHAI ZHUOCHENG GAS SAFETY DEVICE CO., LTD.
A-525, INNOVATION BASE, TORCH HIGH-TECH INDUSTRY DEVELOPMENT AREA
WEIHAI, SHANDONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10942059
US20200003606
16180367
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PC
4000 LEGATO RD., SUITE 310
FAIRFAX, VA 22033
Assignment: 11
Reel/Frame:048014/0884   Pages: 4
Recorded: 01/15/2019
Attorney Dkt #:08688.1410US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, CHANGJIANG
Exec Dt:
01/03/2019
2
SHOU, CHANGJIAN
Exec Dt:
01/03/2019
Assignee
1
AMPEREX TECHNOLOGY CO., LIMITED
NO. 1, XINGANG ROAD, ZHANGWAN TOWN
JIAOCHENG DISTRICT
NINGDE CITY, FUJIAN PROVINCE, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11177544
US20200028146
16202807
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:061174/0628   Pages: 5
Recorded: 08/15/2022
Attorney Dkt #:315624-00012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIAO, WENSHENG
Exec Dt:
07/18/2022
2
MEI, LIANPENG
Exec Dt:
07/18/2022
3
CUI, JUNGUO
Exec Dt:
07/18/2022
4
ZHANG, QINGXUE
Exec Dt:
07/18/2022
5
WANG, HONGYAN
Exec Dt:
07/18/2022
6
WU, LEI
Exec Dt:
07/18/2022
7
LI, CHANGJIANG
Exec Dt:
07/18/2022
8
TAN, LIPING
Exec Dt:
07/18/2022
9
LIU, CHAO
Exec Dt:
07/18/2022
Assignee
1
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
NO. 66, WEST CHANGJIANG ROAD,
HUANGDAO DISTRICT, QINGDAO,
SHANDONG, CHINA 266580
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11624238
NONE
17819645
Correspondence name and address
ECKERT SEAMANS CHERIN & MELLOTT, LLC
TWO LIBERTY PLACE, 50 S. 16TH STREET
22ND FLOOR
PHILADELPHIA, PA 19102
Assignment: 13
Reel/Frame:064418/0960   Pages: 5
Recorded: 07/28/2023
Attorney Dkt #:14850209US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, TIANBAO
Exec Dt:
07/15/2023
2
HU, CHUANPENG
Exec Dt:
07/15/2023
3
LI, CHANGJIANG
Exec Dt:
07/15/2023
Assignee
1
DONGGUAN POWERAMP TECHNOLOGY LIMITED
NO.1 XINGHUI ROAD, SONGSHAN LAKE PARK
DONGGUAN, GUANGDONG, CHINA 523000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230369693
18361060
Correspondence name and address
MAIER & MAIER, PLLC
345 SOUTH PATRICK STREET
ALEXANDRIA, VA 22314

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