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Patent Assignment Assignor Details
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Assignor Name : NAKATSUKA, TETSUYA
Total Assignments: 19
Assignment: 1
Reel/Frame:010058/0754   Pages: 2
Recorded: 06/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
05/21/1999
2
ISHIDA, TOSHIHARU
Exec Dt:
05/21/1999
3
NAKATSUKA, TETSUYA
Exec Dt:
05/21/1999
4
SHIMOKAWA, HANAE
Exec Dt:
05/21/1999
5
SERIZAWA, KOJI
Exec Dt:
05/21/1999
6
AMANO, YASUO
Exec Dt:
05/21/1999
7
SAKAGUCHI, SUGURU
Exec Dt:
05/21/1999
8
YAMAGUCHI HIROSHI
Exec Dt:
05/21/1999
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6204490
NONE
09323702
Correspondence name and address
FAY, SHARPE, BEALL, ET AL
THOMAS E. BEALL, JR.
104 EAST HUME AVENUE
ALEXANDRIA, VIRGINIA 22301
Assignment: 2
Reel/Frame:011877/0274   Pages: 2
Recorded: 06/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
02/27/2001
2
SHIMOKAWA, HANAE
Exec Dt:
02/27/2001
3
NAKATSUKA, TETSUYA
Exec Dt:
02/27/2001
4
NAKAMURA, MASATO
Exec Dt:
02/27/2001
5
FUJITA, YUJI
Exec Dt:
02/27/2001
6
ISHIDA, TOSHIHARAU
Exec Dt:
03/02/2001
7
OKAMOTO, MASAHIDE
Exec Dt:
02/27/2001
8
SERIZAWA, KOJI
Exec Dt:
02/27/2001
9
HACHIYA, TOSHIHIRO
Exec Dt:
02/27/2001
10
MUKUNO, IIIDEKI
Exec Dt:
02/28/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6555052
US20020066583
09799486
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
WILLIAM I. SOLOMON
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 3
Reel/Frame:011882/0637   Pages: 2
Recorded: 06/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIURA, KAZUMA
Exec Dt:
03/16/2001
2
SHIMOKAWA, HANAE
Exec Dt:
03/16/2001
3
SERIZAWA, JOJI
Exec Dt:
03/16/2001
4
SOGA, TASAO
Exec Dt:
03/16/2001
5
NAKATSUKA, TETSUYA
Exec Dt:
03/16/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6486411
US20010050181
09811445
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
GREGORY E. MONTONE
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 4
Reel/Frame:012310/0903   Pages: 3
Recorded: 11/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIURA, KAZUMA
Exec Dt:
03/16/2001
2
SHIMOKAWA, HANAE
Exec Dt:
03/16/2001
3
SERIZAWA, KOJI
Exec Dt:
03/16/2001
4
SOGA, TASAO
Exec Dt:
03/16/2001
5
NAKATSUKA, TETSUYA
Exec Dt:
03/16/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6486411
US20010050181
09811445
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
GREGORY E. MONTONE
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 5
Reel/Frame:012268/0671   Pages: 4
Recorded: 10/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
06/05/2001
2
SHIMOKAWA, HANAE
Exec Dt:
06/05/2001
3
NAKATSUKA, TETSUYA
Exec Dt:
06/05/2001
4
MIURA, KAZUMA
Exec Dt:
06/05/2001
5
NEGISHI, MIKIO
Exec Dt:
06/05/2001
6
NAKAJIMA, HIROKAZU
Exec Dt:
06/05/2001
7
ENDOH, TSUNEO
Exec Dt:
06/05/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6622162
US20010047371
09880773
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
ROBERT C. COLWELL
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CALIFORNIA 94111-3834
Assignment: 6
Reel/Frame:012105/0059   Pages: 3
Recorded: 08/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
08/02/2001
2
OKAMOTO, MASAHIDE
Exec Dt:
08/02/2001
3
OHMURA, TOMOYUKI
Exec Dt:
08/02/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6585149
US20030034381
09929215
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
ROBERT C. COLWELL
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CALIFORNIA 94111-3834
Assignment: 7
Reel/Frame:012642/0932   Pages: 2
Recorded: 02/27/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
01/21/2002
2
ISHIDA, TOSHIHARU
Exec Dt:
01/21/2002
3
MIURA, KAZUMA
Exec Dt:
01/28/2002
4
HATA, HANAE
Exec Dt:
01/21/2002
5
OKAMOTO, MASAHIDE
Exec Dt:
01/21/2002
6
NAKATSUKA, TETSUYA
Exec Dt:
01/21/2002
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6563225
US20020149114
10083543
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
WILLIAM I. SOLOMON
1300 NORTH SEVENTEENTH STREET, STE. 1800
ARLINGTON, VA 22209
Assignment: 8
Reel/Frame:014274/0350   Pages: 3
Recorded: 07/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
02/27/2003
2
HATA, HANAE
Exec Dt:
01/29/2003
3
NAKATSUKA, TETSUYA
Exec Dt:
02/17/2003
4
NEGISHI, MIKIO
Exec Dt:
02/13/2003
5
NAKAJIMA, HIROKAZU
Exec Dt:
02/11/2003
6
ENDOH, TSUNEO
Exec Dt:
02/07/2003
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6872465
US20030224197
10384931
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
ROBERT C. COLWELL
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 9
Reel/Frame:014252/0237   Pages: 3
Recorded: 07/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
02/27/2003
2
HATA, HANAE
Exec Dt:
02/27/2003
3
NAKATSUKA, TETSUYA
Exec Dt:
02/27/2003
4
NEGISHI, MIKIO
Exec Dt:
02/27/2003
5
NAKAJIMA, HIROKAZU
Exec Dt:
02/27/2003
6
ENDOH, TSUNEO
Exec Dt:
02/27/2003
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040007384
10384308
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
ROBERT C. COLWELL
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 10
Reel/Frame:015248/0612   Pages: 2
Recorded: 03/31/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOGA, TASAO
Exec Dt:
01/27/2004
2
HATA, HANAE
Exec Dt:
01/30/2004
3
ISHIDA, TOSHIHARU
Exec Dt:
02/09/2004
4
NAKATSUKA, TETSUYA
Exec Dt:
02/12/2004
5
OKAMOTO, MASAHIDE
Exec Dt:
02/20/2004
6
MIURA, KAZUMA
Exec Dt:
02/20/2004
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7722962
US20060061974
10451610
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
ROBERT C. COLWELL
TWO EMBARCADERO CENER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 11
Reel/Frame:017948/0814   Pages: 2
Recorded: 05/23/2006
Attorney Dkt #:520.45782X00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
01/17/2006
2
TAKANO, NOBUHIDE
Exec Dt:
01/30/2006
3
SUGAHARA, SADAYUKI
Exec Dt:
01/17/2006
4
OMURA, TOMOYUKI
Exec Dt:
01/17/2006
5
SAEKI, TOSHIO
Exec Dt:
01/20/2006
6
SERIZAWA, KOUJI
Exec Dt:
01/19/2006
7
ISHIHARA, SHOUSAKU
Exec Dt:
01/19/2006
Assignees
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
2
HITACHI COMMUNICATION TECHNOLOGIES, LTD.
26-3, MINAMIOOL 6-CHOME
SHINAGAWA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060239855
10562725
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 16TH STREET-SUITE 1800
ARLINGTON, VA 22209
Assignment: 12
Reel/Frame:018873/0748   Pages: 2
Recorded: 02/02/2007
Attorney Dkt #:520.46985xoo
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
01/11/2007
2
SERIZAWA, KOJI
Exec Dt:
01/12/2007
3
ISHIHARA, SHOSAKU
Exec Dt:
01/12/2007
4
SAEKI, TOSHIO
Exec Dt:
01/10/2007
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080261001
11572030
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 17TH STREET-SUITE 1800
ARLINGTON, VA 22209
Assignment: 13
Reel/Frame:019234/0409   Pages: 2
Recorded: 04/25/2007
Attorney Dkt #:500.47176XOO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
03/09/2007
2
SERIZAWA, KOJI
Exec Dt:
03/09/2007
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7911062
US20070210139
11670499
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 17TH STREET, SUITE 1800
ARLINGTON, VIRGINIA 22209
Assignment: 14
Reel/Frame:019960/0766   Pages: 2
Recorded: 10/09/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
07/25/2007
2
SERIZAWA, KOJI
Exec Dt:
07/26/2007
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080062665
11829301
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
1300 NORTH 17TH STREET, SUITE 1800
ARLINGTON, VA 22209
Assignment: 15
Reel/Frame:021872/0830   Pages: 6
Recorded: 11/21/2008
Attorney Dkt #:16869Q-226300US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AOYAGI, AKIHIKO
Exec Dt:
04/16/2008
2
NAKAMIYA, TERUHIRO
Exec Dt:
04/16/2008
3
KOUNO, TAKASHI
Exec Dt:
04/16/2008
4
SHINDO, HITOSHI
Exec Dt:
04/18/2008
5
NAKATSUKA, TETSUYA
Exec Dt:
04/17/2008
Assignee
1
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
LOCATELLIKADE 1, PARNASSUSTOREN
1076 AZ AMSTERDAM, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8179631
US20080259503
12148697
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, EIGHTH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 16
Reel/Frame:023275/0290   Pages: 2
Recorded: 09/18/2009
Attorney Dkt #:091715-0105
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
07/02/2009
2
NAKAMURA, MASATO
Exec Dt:
07/03/2009
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8020747
US20100006624
12498909
Correspondence name and address
FOLEY AND LARDNER LLP
SUITE 500
3000 K STREET NW
WASHINGTON, DC 20007
Assignment: 17
Reel/Frame:027832/0188   Pages: 4
Recorded: 03/08/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAMURA, TETSUYA
Exec Dt:
01/20/2010
2
AKAI, TAKAHIRO
Exec Dt:
01/22/2010
3
KATOH, MASAHIKO
Exec Dt:
01/22/2010
4
INOUE, YASUSHI
Exec Dt:
01/22/2010
5
NAKATSUKA, TETSUYA
Exec Dt:
01/22/2010
6
KANEKO, SATOSHI
Exec Dt:
01/25/2010
7
OKUBO, MASASHI
Exec Dt:
02/01/2010
Assignee
1
HITACHI GLOBAL STORAGE TECHNOLOGIES, NETHERLANDS B.V.
LOCATELLIKADE 1, PARNASSUSTOREN
AMSTERDAM, NETHERLANDS 1076 AZ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8699187
US20110109996
12642683
Correspondence name and address
WAGNER BLECHER, LLP
123 WESTRIDGE DR.
WATSONVILLE, CA 95076
Assignment: 18
Reel/Frame:024831/0316   Pages: 2
Recorded: 08/12/2010
Attorney Dkt #:056203.62664US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
06/25/2010
2
NAKAMURA, MASATO
Exec Dt:
07/02/2010
3
KANEKO, SATOSHI
Exec Dt:
06/28/2010
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100328815
12811673
Correspondence name and address
CROWELL & MORING LLP
P.O. BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 19
Reel/Frame:046965/0116   Pages: 4
Recorded: 09/25/2018
Attorney Dkt #:056210.PB575US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKATSUKA, TETSUYA
Exec Dt:
09/10/2018
2
KAWAKITA, SHINYA
Exec Dt:
09/10/2018
3
ISHIDA, SUSUMU
Exec Dt:
09/10/2018
4
YOSHIDA, ISAMU
Exec Dt:
09/10/2018
5
IKEDA, OSAMU
Exec Dt:
09/10/2018
Assignee
1
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 1008280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11244877
US20200303272
16088263
Correspondence name and address
CROWELL & MORING LLP
1001 PENNSYLVANIA AVENUE, NW
WASHINGTON, DC 20004

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