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Patent Assignment Assignee Details
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Assignee Name : DUPONT-MITSUI FLUOROCHEMICALS CO., LTD.
Total Assignments: 22
Assignment: 1
Reel/Frame:005382/0331   Pages: 3
Recorded: 07/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/11/1990
2
Exec Dt:
07/11/1990
Assignee
1
2-3, OTEMACHI 1-CHOME
A CORP. OF JAPAN
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07552765
Correspondence name and address
WEBB, BURDEN, ZIESENHEIM & WEBB, P.C.
515 OLIVER BUILDING
535 SMITHFIELD STREET
PITTSBURGH, PA 15222-2363
Assignment: 2
Reel/Frame:005389/0926   Pages: 4
Recorded: 07/25/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/11/1990
2
Exec Dt:
07/11/1990
Assignee
1
2-3, OTEMACHI 1-CHOME
A CORP. OF JAPAN
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07557478
Correspondence name and address
RUSSELL D. ORKIN
515 OLIVER BUILDING
535 SMITHFIELD STREET
PITTSBURGH, PA 15222-2363
Assignment: 3
Reel/Frame:007217/0010   Pages: 2
Recorded: 11/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/24/1994
Assignee
1
MITSUI SEIMEI BUILDING
2-3, OHTEMACHI 1-CHOME
CHIYODA-KU, TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08249585
Correspondence name and address
EDWIN TOCKER
E. I. DU PONT DE NEMOURS COMPANY
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 4
Reel/Frame:007686/0258   Pages: 3
Recorded: 08/18/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/03/1995
Assignee
1
5-18, SARUGAKU-CHO, 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08507228
Correspondence name and address
WENDEROTH, LIND & PONACK
MATTHEW JACOB, ESQ.
805 15TH STREET, N.W., STE. 700
WASHINGTON, D.C. 20005
Assignment: 5
Reel/Frame:009742/0606   Pages: 2
Recorded: 02/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/24/1998
2
Exec Dt:
09/24/1998
Assignee
1
2-3, OHTEMACHI 1-CHOME CHIYODA-KU
MITSUI SEIMEI BUILDING
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09136037
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
EDWIN TOCKER
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 6
Reel/Frame:011198/0760   Pages: 3
Recorded: 10/11/2000
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME, PREVIOUSLY RECORDED AT REEL 010730, FRAME 0086.
Assignor
1
Exec Dt:
03/13/2000
Assignee
1
2-3 OHTEMACHI 1-CHOME
MITSUI SEIMEL BLDG.
CHIYODA-KU, TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09498215
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
THOMAS W. STEINBERG
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 7
Reel/Frame:011199/0268   Pages: 3
Recorded: 10/08/2000
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT ASSIGNEE NAME SPELLED --FLORCHEMICALS TO "FLUOROCHEMICALS" PREVIOUSLY RECORDED ON REEL 010730, FRAME 0102.
Assignors
1
Exec Dt:
03/13/2000
2
Exec Dt:
03/10/2000
Assignee
1
2-3 OHTEMACHI 1-CHOME CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09504921
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
THOMAS W. STEINBERG
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 8
Reel/Frame:011668/0251   Pages: 2
Recorded: 03/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/22/2001
2
Exec Dt:
01/22/2001
3
Exec Dt:
01/22/2001
Assignee
1
2-3 OHTEMACHI, 1-CHOME, CHIYODA-KU
MITSUI SEIMEI BLDG.
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09735559
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
EDWIN TOCKER
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 9
Reel/Frame:011937/0860   Pages: 2
Recorded: 06/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/20/2001
2
Exec Dt:
02/20/2001
3
Exec Dt:
02/20/2001
Assignee
1
2-3 OHTEMACHI, 1-CHOME
MITSUI SEIME BLDG.
CHIYODA-KU, TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09767580
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
EDWIN TOCKER
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 10
Reel/Frame:011951/0151   Pages: 2
Recorded: 06/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/20/2001
Assignee
1
2-3 OHTEMACHI, 1-CHOME
MITSUI SEIME BLDG.
CHIYODA-KU, TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09213833
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
EDWIN TOCKER
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DE 19898
Assignment: 11
Reel/Frame:012013/0814   Pages: 2
Recorded: 07/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/04/2001
2
Exec Dt:
07/04/2001
Assignee
1
2-3 OHTEMACHI, 1-CHOME, CHIYODA-KU
MITSUI SEIME BLDG.
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09881220
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
EDWIN TOCKER
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 12
Reel/Frame:012908/0689   Pages: 2
Recorded: 07/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/18/2002
2
Exec Dt:
06/25/2002
3
Exec Dt:
06/18/2002
4
Exec Dt:
06/20/2002
5
Exec Dt:
06/18/2002
Assignee
1
MITSUI SEIME BLDG., 2-3 OHTEMACHI, 1-CHOME, CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10151831
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
ED TOCKER
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19880-0025
Assignment: 13
Reel/Frame:014388/0606   Pages: 2
Recorded: 03/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/11/2003
Assignee
1
2-3 OHTEMACHI, 1-CHOME, CHIYODA-KU
MITSUI SEIME BLDG.
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10717161
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
JOHN S. HENDRICKSON
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19880-0025
Assignment: 14
Reel/Frame:016143/0542   Pages: 2
Recorded: 06/15/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/08/2004
Assignee
1
1-5-18, SARUGAKU-CHO
CHIYODA-KU
TOKYO, JAPAN 101-0064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10924354
Correspondence name and address
JANE O. HAMBY
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 15
Reel/Frame:016995/0610   Pages: 2
Recorded: 01/10/2006
Attorney Dkt #:FL0287USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/31/2005
Assignee
1
MITSUI SEIME BLDG.
2-3 OHTEMACHI, 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11247044
Correspondence name and address
JOHN S. HENDRICKSON
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 16
Reel/Frame:030679/0391   Pages: 2
Recorded: 06/25/2013
Attorney Dkt #:FL0577USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/10/2013
Assignee
1
4TH FLOOR, CHIYODA BUILDING
1-5-18, SARUGAKU-CHO, 1-CHOME
TOKYO, JAPAN 101-0064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13837371
Correspondence name and address
ANDREW BUNN
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 17
Reel/Frame:033007/0802   Pages: 6
Recorded: 06/02/2014
Attorney Dkt #:1033634-000020
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/27/2014
2
Exec Dt:
05/27/2014
3
Exec Dt:
05/27/2014
4
Exec Dt:
05/27/2014
5
Exec Dt:
05/27/2014
6
Exec Dt:
05/27/2014
7
Exec Dt:
05/27/2014
Assignees
1
1-5-18, SARUGAKU-CHO
CHIYODA-KU, TOKYO, JAPAN 101-0064
2
6-1, HATCHOBORI 1-CHOME
CHUO-KU, TOKYO, JAPAN 104-8555
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14348286
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 18
Reel/Frame:043840/0651   Pages: 2
Recorded: 10/11/2017
Attorney Dkt #:FL0604-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/22/2017
2
Exec Dt:
09/22/2017
3
Exec Dt:
09/20/2017
Assignee
1
KAMIYACHO PRIME PLACE 4-1-17
TORANOMON, MINATO-KU
TOKYO, JAPAN 105-0001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15539568
Correspondence name and address
GWEN A. WILSON
1007 MARKET STREET
PATENT LEGAL GROUP, 8072
WILMINGTON, DE 19801
Assignment: 19
Reel/Frame:044100/0196   Pages: 4
Recorded: 11/13/2017
Attorney Dkt #:FL0610-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/13/2017
2
Exec Dt:
11/10/2017
3
Exec Dt:
11/13/2017
4
Exec Dt:
11/10/2017
Assignee
1
KAMIYACHO PRIME PLACE 4-1-17
TORANOMON, MINATO-KU
TOKYO, JAPAN 105-0001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15528213
Correspondence name and address
THE CHEMOURS COMPANY FC, LLC
1007 MARKET STREET
PATENT LEGAL GROUP, 8072
WILMINGTON, DE 19801
Assignment: 20
Reel/Frame:044277/0704   Pages: 2
Recorded: 12/01/2017
Attorney Dkt #:FL1830-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2017
2
Exec Dt:
11/21/2017
3
Exec Dt:
11/21/2017
Assignee
1
KAMIYACHO PRIME PLACE 4-1-17
TORANOMON, MINATO-KU
TOKYO, JAPAN 105-0001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15557162
Correspondence name and address
GWEN A. WILSON
1007 MARKET STREET
PATENT LEGAL GROUP, 8072
WILMINGTON, DE 19801
Assignment: 21
Reel/Frame:044388/0488   Pages: 5
Recorded: 12/13/2017
Attorney Dkt #:1033634-000023
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/07/2017
2
Exec Dt:
12/07/2017
3
Exec Dt:
12/07/2017
4
Exec Dt:
12/07/2017
5
Exec Dt:
12/07/2017
6
Exec Dt:
12/07/2017
Assignees
1
1509, OKUBO-CHO, NISHI-KU
HAMAMATSU-SHI, SHIZUOKA, JAPAN 4328006
2
4-1-17, TORANOMON
MINATO-KU, TOKYO, JAPAN 1050001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15736180
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 22
Reel/Frame:045112/0441   Pages: 5
Recorded: 03/06/2018
Attorney Dkt #:AP0375-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/24/2018
2
Exec Dt:
02/08/2018
3
Exec Dt:
01/24/2018
4
Exec Dt:
02/26/2018
Assignees
1
1007 MARKET STREET
WILMINGTON, DELAWARE 19801
2
KAMIYACHO PRIME PLACE 4-1-17
TORANOMON, MINATO-KU
TOKYO, JAPAN 105-0001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15826955
Correspondence name and address
THE CHEMOURS COMPANY FC, LLC
1007 MARKET STREET
PATENT LEGAL GROUP, 8072
WILMINGTON, DE 19801

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