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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : IMAGAWA, SEIJI
Total Assignments: 12
Assignment: 1
Reel/Frame:014334/0917   Pages: 2
Recorded: 07/29/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMAGAWA, SEIJI
Exec Dt:
05/12/1999
2
ONO, HIROAKI
Exec Dt:
05/12/1999
3
HIGUCHI, SHIGEMITSU
Exec Dt:
05/12/1999
4
NAKAGAWA, ISAO
Exec Dt:
05/12/1999
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6657666
NONE
09332446
Correspondence name and address
MATTINGLY STANGER & MALUR, P.C.
JOHN R. MATTINGLY
1800 DIAGONAL ROAD, SUITE 370
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:017324/0810   Pages: 2
Recorded: 12/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMAGAWA, SEIJI
Exec Dt:
12/05/2005
2
NISHIMURA, KOICHIRO
Exec Dt:
12/05/2005
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
2
HITACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME
MINATO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060126466
11299669
Correspondence name and address
ANTONELLI, TERRY & STOUT & KRAUS, LLP
1300 NORTH 17TH STREET - SUITE 1800
ARLINGTON, VA 22209
Assignment: 3
Reel/Frame:017629/0192   Pages: 2
Recorded: 02/27/2006
Attorney Dkt #:500.45977x00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMAGAWA, SEIJI
Exec Dt:
02/06/2006
2
SUZUKI, MOTOYUKI
Exec Dt:
02/06/2006
3
FUKUSHIMA, AKIO
Exec Dt:
02/06/2006
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
2
HTACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME
MINATO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070008836
11362169
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 17TH STREET - SUITE 1800
ARLINGTON, VA 22209
Assignment: 4
Reel/Frame:018389/0926   Pages: 2
Recorded: 10/10/2006
Attorney Dkt #:500.46419XOO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
08/21/2006
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7933175
US20070177469
11488616
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 17TH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 5
Reel/Frame:018801/0498   Pages: 3
Recorded: 01/11/2007
Attorney Dkt #:16869P-200800US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
12/19/2006
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN
2
HITACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8223602
US20070274166
11652938
Correspondence name and address
ROBERT C. COLWELL
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER
EIGHTH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 6
Reel/Frame:022254/0497   Pages: 3
Recorded: 02/13/2009
Attorney Dkt #:500.49509X00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATAOKA, TAKEYOSHI
Exec Dt:
12/05/2008
2
IMAGAWA, SEIJI
Exec Dt:
12/10/2008
3
YONEZAWA, MUNEHIRO
Exec Dt:
12/04/2008
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN
2
HITACHI - LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME
MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8325574
US20090207708
12336555
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209-3873
Assignment: 7
Reel/Frame:022986/0610   Pages: 2
Recorded: 07/16/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMAGAWA, SEIJI
Exec Dt:
06/17/2009
2
ISHIKAWA, YOSHINORI
Exec Dt:
06/17/2009
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8547809
US20090296544
12477538
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
600 13TH STREET, N.W.
WASHINGTON, D.C. 20005-3096
Assignment: 8
Reel/Frame:027794/0532   Pages: 2
Recorded: 03/02/2012
Attorney Dkt #:520.52283X00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
02/14/2012
Assignees
1
HITACHI-LG DATA STORAGE, INC.
22-23, KAIGAN 3-CHOME, MINATO-KU,
TOKYO, JAPAN
2
HITACHI CONSUMER ELECTRONICS CO., LTD.
2-1, OTEMACHI 2-CHOME, CHIYODA-KU,
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8634281
US20120230171
13410322
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209-3873
Assignment: 9
Reel/Frame:028714/0736   Pages: 2
Recorded: 08/03/2012
Attorney Dkt #:500.52614X00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
07/08/2012
Assignee
1
HITACHI CONSUMER ELECTRONICS CO., LTD.
2-1, OTEMACHI 2-CHOME, CHIYODA-KU,
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8559285
US20130064058
13565831
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209-3873
Assignment: 10
Reel/Frame:042793/0671   Pages: 2
Recorded: 06/23/2017
Attorney Dkt #:HITACHI8-211400734US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
03/07/2017
Assignee
1
HITACHI MAXELL, LTD.
1-88, USHITORA 1-CHOME
IBARAKI-SHI
OSAKA, JAPAN 567-8567
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10613826
US20180011687
15538830
Correspondence name and address
VOLPE AND KOENIG, P.C.
UNITED PLAZA
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 11
Reel/Frame:044232/0661   Pages: 2
Recorded: 11/28/2017
Attorney Dkt #:SEI-11277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
11/06/2017
Assignee
1
MAXELL, LTD.
1, KOIZUMI, OYAMAZAKI, OYAMAZAKI-CHO OTOKUNI-GUN,
KYOTO, JAPAN 618-8525
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10877298
US20180173017
15577388
Correspondence name and address
MATTINGLY & MALUR, PC
1800 DIAGONAL ROAD
SUITE 210
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:061033/0968   Pages: 2
Recorded: 08/01/2022
Attorney Dkt #:011050.PF809US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IMAGAWA, SEIJI
Exec Dt:
06/09/2022
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230103773
17796161
Correspondence name and address
CROWELL & MORING LLP
1001 PENNSYLVANIA AVENUE, NW
WASHINGTON, DC 20004

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