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Patent Assignment Assignor Details
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Assignor Name : IGAWA, TATSUO
Total Assignments: 21
Assignment: 1
Reel/Frame:003936/0601   Pages: 1
Recorded: 10/16/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
10/05/1981
2
IGAWA, TATSUO
Exec Dt:
10/05/1981
3
SIMAZAKI, YUZURU
Exec Dt:
10/05/1981
4
MIYASHITA, TAKAO
Exec Dt:
10/05/1981
5
NAKANO, FUMIO
Exec Dt:
10/05/1981
Assignee
1
HITACHI, LTD., A CORP OF JAPAN
5-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4362771
NONE
06311971
Correspondence name and address
CRAIG & ANTONELLI
STE. 600, 1919 PA. AVE. N. W.
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:004070/0878   Pages: 1
Recorded: 11/19/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
11/04/1982
2
SIMAZAKI, YUZURU
Exec Dt:
11/04/1982
3
IGAWA, TATSUO
Exec Dt:
11/04/1982
4
TANNO, SEIKICHI
Exec Dt:
11/04/1982
5
SASAKI, KEN
Exec Dt:
11/04/1982
6
MIYASHITA, TAKAO
Exec Dt:
11/04/1982
Assignee
1
HITACHI, LTD.
5-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4505546
NONE
06443032
Correspondence name and address
ANTONELLI, TERRY AND WANDS
STE. 600
1919 PENN. AVE., NW
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:004483/0778   Pages: 1
Recorded: 12/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
01/26/1983
2
MIYASHITA, TAKAO
Exec Dt:
01/26/1983
3
SHIMAZAKI, YUZURU
Exec Dt:
01/26/1983
4
IGAWA, TATSUO
Exec Dt:
01/26/1983
5
SASAKI, KEN
Exec Dt:
01/26/1983
6
MATSUYAMA, SHIGERU
Exec Dt:
01/26/1983
Assignee
1
HITACHI, LTD., A CORP. OF JAPAN
5-1, MARUNOUCHI 1-CHOME, DHIYODA-KU
TOLKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4586790
NONE
06466488
Correspondence name and address
ANTONELLI, TERRY AND WANDS
SUITE 600
1919 PA. AVE., N. W.
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:004496/0473   Pages: 1
Recorded: 01/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
08/28/1984
2
OOISHI, KAZUYA
Exec Dt:
08/28/1984
3
IGAWA, TATSUO
Exec Dt:
08/28/1984
4
HORI, YASURO
Exec Dt:
08/28/1984
5
NAGAE, YOSHIHARU
Exec Dt:
08/28/1984
6
ISOGAI, MASATO
Exec Dt:
08/28/1984
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME,
A CORP. OF JAPAN
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4591886
NONE
06629045
Correspondence name and address
ANTONELLI, TERRY & WANDS
STE. 600
1919 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 5
Reel/Frame:004735/0787   Pages: 1
Recorded: 07/07/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
08/07/1985
2
OOISHI, KAZUYA
Exec Dt:
08/07/1985
3
IGAWA, TATSUO
Exec Dt:
08/07/1985
4
HORI, YASURO
Exec Dt:
08/07/1985
Assignee
1
HITACHI, LTD., 6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU, TOKYO, JAPAN A CORP. OF JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4712876
NONE
06751847
Correspondence name and address
ANTONELLI, TERRY & WANDS
SUITE 600
1919 PENNSYLVANIA AVE., N.W.
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:004616/0147   Pages: 1
Recorded: 10/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
09/30/1986
2
NAGATA, TETSUYA
Exec Dt:
09/30/1986
3
SIMAZAKI, YUZURU
Exec Dt:
09/30/1986
4
IGAWA, TATSUO
Exec Dt:
09/30/1986
5
HORI, YASURO
Exec Dt:
09/30/1986
Assignee
1
HITACHI, LTD., A CORP OF JAPAN
6 KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4783149
NONE
06916724
Correspondence name and address
ANTONELLI, TERRY & WANDS
SUITE 600
1919 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:004841/0842   Pages: 1
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
04/15/1987
2
NAGATA, TETSUYA
Exec Dt:
04/15/1987
3
SIMAZAKI, YUZURU
Exec Dt:
04/15/1987
4
IGAWA, TATSUO
Exec Dt:
04/15/1987
5
HORI, YASURO
Exec Dt:
04/15/1987
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO 101, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4746196
NONE
07046171
Correspondence name and address
ANTONELLI, TERRY & WANDS
1919 PA. AVE., N. W., STE. 600
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:005826/0281   Pages: 2
Recorded: 09/09/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
09/06/1988
2
NAGATA, TETSUYA
Exec Dt:
09/06/1988
3
IGAWA, TATSUO
Exec Dt:
09/06/1988
Assignee
1
HITACHI, LTD.
6, KANDA SURGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5095376
NONE
07556580
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS
STE. 600
1919 PENN. AVE., N.W.
WASHINGTON, DC 20006
Assignment: 9
Reel/Frame:005257/0850   Pages: 1
Recorded: 03/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAGATA, TETSUYA
Exec Dt:
03/02/1990
2
UMEDA, TAKAO
Exec Dt:
03/02/1990
3
IGAWA, TATSUO
Exec Dt:
03/02/1990
Assignee
1
HITACHI, LTD.,
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
A CORP. OF JAPAN
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5252954
NONE
07492588
Correspondence name and address
ANTONELLI, TERRY & WANDS
SUITE 600
1919 PENNSYLVANIA AVENUE, N. W..
WASHINGTON, DC 20006
Assignment: 10
Reel/Frame:005574/0415   Pages: 2
Recorded: 01/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
01/11/1991
2
NAGATA, TETSUYA
Exec Dt:
01/11/1991
3
IGAWA, TATSUO
Exec Dt:
01/11/1991
4
NAKAMURA, KIMIO
Exec Dt:
01/11/1991
5
NISHINO, SHINICHI
Exec Dt:
01/11/1991
6
OGAWA, TOSHITAKA
Exec Dt:
01/11/1991
Assignees
1
HITACHI, LTD., A CORP. OF JAPAN
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI KOKI CO., LTD., A CORP. OF JAPAN
6-2, OHTEMACHI-2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5128719
NONE
07641918
Correspondence name and address
ANTONELLI, TERRY,
STOUT & KRAUS
SUITE 600
1919 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 11
Reel/Frame:005680/0333   Pages: 2
Recorded: 04/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MIYASAKA, TORU
Exec Dt:
04/03/1991
2
UMEDA, TAKAO
Exec Dt:
04/03/1991
3
NAGATA, TETSUYA
Exec Dt:
04/03/1991
4
IGAWA, TATSUO
Exec Dt:
04/03/1991
Assignee
1
HITACHI, LTD., 6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU, TOKYO, JAPAN A CORP OF JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5177531
NONE
07685195
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS
1919 PENNSYLVANIA AVE., N. W., STE. 600
WASHINGTON, DC 20006
Assignment: 12
Reel/Frame:006044/0283   Pages: 6
Recorded: 03/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAGATA, TETSUYA
Exec Dt:
02/18/1992
2
UMEDA, TAKAO
Exec Dt:
02/18/1992
3
TAKUMA, YASUO
Exec Dt:
02/18/1992
4
IGAWA, TATSUO
Exec Dt:
02/18/1992
5
YAMADA, MASATO
Exec Dt:
02/18/1992
Assignees
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO 101, JAPAN
2
HITACHI KOKI CO., LTD.
6-2, OTE-MACHI 2-CHOME, CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5291228
NONE
07845328
Correspondence name and address
KENYON & KENYON
EDWARD W. GREASON
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 13
Reel/Frame:006200/0712   Pages: 2
Recorded: 07/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UMEDA, TAKAO
Exec Dt:
06/15/1992
2
NAGATA, TETSUYA
Exec Dt:
06/15/1992
3
TAKUMA, YASUO
Exec Dt:
06/15/1992
4
IGAWA, TATSUO
Exec Dt:
06/15/1992
Assignees
1
HITACHI, LTD.
A CORP. OF JAPAN
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU,
TOKYO, JAPAN
2
HITACHI KOKI CO., LTD.
A CORP. OF JAPAN
6-2, OHTEMACHI-2-CHOME, CHIYODA-KU,
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5373351
NONE
07917709
Correspondence name and address
KENYON & KENYON
PATRICK J. BIRDE
ONE BROADWAY
NEW YORK, NY 10004
Assignment: 14
Reel/Frame:006532/0729   Pages: 3
Recorded: 11/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGATA, TETUYA
Exec Dt:
11/11/1992
2
UMEDA, TAKAO
Exec Dt:
11/11/1992
3
TAKUMA, YASUO
Exec Dt:
11/11/1992
4
IGAWA, TATSUO
Exec Dt:
11/11/1992
5
MIWA, MASATO
Exec Dt:
11/11/1992
Assignees
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
2
HITACHI KOKI CO., LTD.
6-2, OHTEMACHI 2-CHOME
CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5321477
NONE
07952732
Correspondence name and address
KENYON & KENYON
EDWARD W. GREASON
ONE BROADWAY
NEW YORK, NY 10004
Assignment: 15
Reel/Frame:007537/0619   Pages: 2
Recorded: 07/05/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UMEDA, TAKAO
Exec Dt:
03/01/1994
2
MIYASAKA, TORU
Exec Dt:
03/01/1994
3
NAMIKAWA, OSAMU
Exec Dt:
02/22/1994
4
KOMATSU, ISAMU
Exec Dt:
03/01/1994
5
NAGATA, TETSUYA
Exec Dt:
03/01/1994
6
TAKUMA, YASUO
Exec Dt:
03/01/1994
7
IGAWA, TATSUO
Exec Dt:
03/01/1994
Assignees
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI KOKI CO., LTD.
6-2, OHTEMACHI-2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5559578
NONE
08175867
Correspondence name and address
MELVIN KRAUS
ANTONELLI, TERRY, STOUT & KRAUS
1300 NORTH 17TH ST., #1800
ARLINGTON, VA 22209
Assignment: 16
Reel/Frame:007608/0083   Pages: 3
Recorded: 07/20/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMASAKA, TAKAO
Exec Dt:
07/03/1995
2
TAKUMA, YASUO
Exec Dt:
07/03/1995
3
IGAWA, TATSUO
Exec Dt:
07/03/1995
4
SUGAYA, TOMIO
Exec Dt:
07/03/1995
5
KIKUCHI, YASUO
Exec Dt:
07/03/1995
Assignees
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HITACHI KOKI CO., LTD.
6-2, OHTEMACHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5574546
NONE
08504314
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS
MELVIN KRAUS
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VIRGINIA 22209
Assignment: 17
Reel/Frame:008404/0643   Pages: 3
Recorded: 01/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMASAKA, TAKAO
Exec Dt:
12/19/1996
2
FUKUCHI, KUNIO
Exec Dt:
12/19/1996
3
ANZAI, MASAYASU
Exec Dt:
12/19/1996
4
IGAWA, TATSUO
Exec Dt:
12/19/1996
Assignees
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
2
HITACHI KOKI CO., LTD.
6-2, OTEMACHI 2 CHOME, CHIYODA KU
TOYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5832350
NONE
08778577
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
MELVIN KRAUS
1300 NORTH 17TH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 18
Reel/Frame:008589/0924   Pages: 2
Recorded: 05/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMASAKA, TAKAO
Exec Dt:
05/13/1997
2
IGAWA, TATSUO
Exec Dt:
05/13/1997
3
FUJIWARA, SHIGETAKA
Exec Dt:
05/13/1997
4
HOSHI, NOBUYOSHI
Exec Dt:
05/13/1997
Assignee
1
HITACHI LTD.
6, KANDA SURUGADAI 4-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5860049
NONE
08863125
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
CARL I. BRUNDIDGE
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 19
Reel/Frame:011070/0427   Pages: 2
Recorded: 09/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKANO, MAMORU
Exec Dt:
08/23/2000
2
FUKANO, YOSHINOBU
Exec Dt:
08/23/2000
3
YONEKURA, SEIJI
Exec Dt:
08/23/2000
4
IGAWA, TATSUO
Exec Dt:
08/23/2000
5
MASUDA, KAZUHITO
Exec Dt:
08/23/2000
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6443560
NONE
09654890
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
MELVIN KRAUS
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VA 22209
Assignment: 20
Reel/Frame:012293/0584   Pages: 2
Recorded: 09/18/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKANO, YOSHINOBU
Exec Dt:
02/14/2001
2
YONEKURA, SEIJI
Exec Dt:
02/14/2001
3
OKANO, MAMORU
Exec Dt:
02/14/2001
4
IGAWA, TATSUO
Exec Dt:
02/14/2001
5
MASUDA, KAZUHITO
Exec Dt:
02/19/2001
Assignee
1
HITACHI, LTD.
CHIYODA-KU
6, KANDA SURUGADAI 4-CHOME
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6557981
NONE
09936838
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
ALAN E. SCHIAVELLI
1300 NORTH SEVENTEENTH STREET
SFUITE 1800
ARLINGTON, VA 22209
Assignment: 21
Reel/Frame:012617/0904   Pages: 2
Recorded: 12/28/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YONEKURA, SEIJI
Exec Dt:
02/14/2001
2
FUKANO, YASHINOBU
Exec Dt:
02/15/2001
3
OKANO, MAMORU
Exec Dt:
02/19/2001
4
IGAWA, TATSUO
Exec Dt:
02/14/2001
5
MASUDA, KAZUHITO
Exec Dt:
02/19/2001
Assignee
1
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6604816
NONE
10019266
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
MELVIN KRAUS
1300 N. SEVENTEENTH ST.
SUITE 1800
ARLINGTON, VA 22209

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