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Patent Assignment Assignor Details
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Assignor Name : HELMFRID, STEN
Total Assignments: 5
Assignment: 1
Reel/Frame:006301/0583   Pages: 2
Recorded: 10/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TATSUNO, KIMIO
Exec Dt:
10/09/1992
2
ANDOU, TETSUO
Exec Dt:
10/09/1992
3
MIYAI, TSUYOSHI
Exec Dt:
10/09/1992
4
HELMFRID, STEN
Exec Dt:
10/09/1992
5
TAKAHASHI, MASAHIKO
Exec Dt:
10/09/1992
6
MURAOKA, KOJI
Exec Dt:
10/09/1992
7
NAKAMURA, SHIGERU
Exec Dt:
10/09/1992
Assignees
1
HITACHI, LTD.
6 KANDA SURUGADI, 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI METALS, LTD.
1-2, 2-CHOME MARUNOUCHI, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5377212
NONE
07961648
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS
1919 PENNSYLVANIA AVENUE, N.W.
SUITE 600
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:015907/0008   Pages: 3
Recorded: 10/20/2004
Attorney Dkt #:003301-063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHLANDER, ULF
Exec Dt:
04/17/2004
2
HELMFRID, STEN
Exec Dt:
03/15/2004
3
SAHLGREN, BENGT
Exec Dt:
03/15/2004
Assignee
1
PROXIMION FIBER OPTICS AB
SKALHOLTSGATAN 10B
SE-164 40 KISTA, SWEDEN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7076133
US20040131312
10451988
Correspondence name and address
BURNS DOANE, SWECKER & MATHIS, L.L.P.
BENTON S. DUFFETT, JR.
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 3
Reel/Frame:017030/0500   Pages: 4
Recorded: 09/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAHLGREN, BENGT
Exec Dt:
08/09/2005
2
BERGMAN, MIKAEL
Exec Dt:
08/08/2005
3
PEJNEFORS, JOHAN
Exec Dt:
08/22/2005
4
STUBBE, RAOUL
Exec Dt:
08/22/2005
5
HELMFRID, STEN
Exec Dt:
08/09/2005
6
JOHANSSON, BENGT
Exec Dt:
08/09/2005
Assignee
1
PROXIMION FIBER SYSTEMS AB
SKALHOLTSGATAN 10B
SE-164 40 KISTA, SWEDEN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7260292
US20060147153
11176448
Correspondence name and address
PAUL C. LEWIS
BIRCH, STEWART, KOLASCH & BIRCH
8110 GATEHOUSE RD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 4
Reel/Frame:018598/0590   Pages: 3
Recorded: 12/07/2006
Attorney Dkt #:0104-0598PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAHLGREN, BENGT
Exec Dt:
11/09/2006
2
PEJNEFORS, JOHAN
Exec Dt:
11/09/2006
3
HELMFRID, STEN
Exec Dt:
11/09/2006
Assignee
1
PROXIMION FIBER SYSTEMS AB
SKALHOLTSGATAN 10B
KISTA, SWEDEN SE-164 40
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7373046
US20070077006
11543156
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
PO BOX 747
FALLS CHURCH, VA 22042-1248
Assignment: 5
Reel/Frame:023365/0670   Pages: 3
Recorded: 10/13/2009
Attorney Dkt #:0104-0759PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAHLGREN, BENGT
Exec Dt:
09/17/2009
2
HELMFRID, STEN
Exec Dt:
09/17/2009
Assignee
1
PROXIMION FIBER SYSTEMS AB
SKALHOLTSGATAN 10B
KISTA, SWEDEN 164 40
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8218922
US20100080499
12527810
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747

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