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Patent Assignment Assignor Details
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Assignor Name : IWAMOTO, MICHIHIKO
Total Assignments: 13
Assignment: 1
Reel/Frame:006480/0101   Pages: 3
Recorded: 03/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OKADA, YOSHITORA
Exec Dt:
03/05/1993
2
YAKUGAWA, SHOUJI
Exec Dt:
03/05/1993
3
IWAMOTO, MICHIHIKO
Exec Dt:
03/12/1993
Assignee
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33 KITAHAMA 4-CHOME
CHUO-KU, OSAKA-SHI, OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5402688
NONE
08032650
Correspondence name and address
PLATON N. MANDROS
BURNS, DOANE, SWECKER & MATHIS
THE GEORGE MASON BLDG., P.O. BOX 1404
WASHINGTON & PRINCE STREETS
ALEXANDRIA, VA 22313-1404
Assignment: 2
Reel/Frame:007740/0124   Pages: 3
Recorded: 12/15/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANCRY, ALAIN
Exec Dt:
11/20/1995
2
IWAMOTO, MICHIHIKO
Exec Dt:
11/09/1995
Assignees
1
VALLOUREC OIL & GAS
54 RUE ANATOLE FRANCE 59620
AULNOYE-AYMERIES, FRANCE
2
SUMITOMO METAL INDUSTRIES
CHUO-KU
5-33 KITAHAMA 4-CHOME
OSAKA-SHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5687999
NONE
08538436
Correspondence name and address
OBLON, SPIVIK, MCCLELLAND, MAIER ET. AL.
C. IRVIN MCCLELLAND
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:010692/0708   Pages: 2
Recorded: 04/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IWAMOTO, MICHIHIKO
Exec Dt:
03/29/2000
Assignee
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6286223
NONE
09542948
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
PLATON N. MANDROS
P.O. BOX 1404
ALEXANDRIA, VIRGINIA 22313-1404
Assignment: 4
Reel/Frame:016260/0204   Pages: 6
Recorded: 07/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUGINO, MASAAKI
Exec Dt:
06/08/2005
2
YAMAMOTO, MIYUKI
Exec Dt:
06/08/2005
3
IWAMOTO, MICHIHIKO
Exec Dt:
06/11/2005
4
NAGASAKU, SHIGEO
Exec Dt:
06/10/2005
5
DUTILLEUL, PIERRE
Exec Dt:
06/15/2005
6
ROUSSIE, GABRIEL
Exec Dt:
06/21/2005
7
VERGER, ERIC
Exec Dt:
06/15/2005
Assignees
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME
CHUO-KU, OSAKA, JAPAN 541-0041
2
VALLOUREC MANNESMANN OIL & GAS FRANCE
54 RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE 59620
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7997627
US20050248153
11117286
Correspondence name and address
CLARK & BRODY
1090 VERMONT AVENUE, NW
SUITE 250
WASHINGTON, DC 20005
Assignment: 5
Reel/Frame:019552/0426   Pages: 4
Recorded: 07/12/2007
Attorney Dkt #:12014-0053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUGINO, MASAAKI
Exec Dt:
05/08/2007
2
YAMAMOTO, MIYUKI
Exec Dt:
05/08/2007
3
IWAMOTO, MICHIHIKO
Exec Dt:
05/14/2007
4
NAGASAKU, SHIGEO
Exec Dt:
05/14/2007
Assignees
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI
OSAKA, JAPAN 541-0041
2
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE 59620
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7494159
US20070236015
11710060
Correspondence name and address
CLARK AND BRODY
1090 VERMONT AVENUE, NW
SUITE 250
WASHINGTON, DC 20005
Assignment: 6
Reel/Frame:022716/0156   Pages: 8
Recorded: 05/21/2009
Attorney Dkt #:12014-0077
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAMAMOTO, TAKAHIRO
Exec Dt:
03/30/2009
2
SUMITANI, KATSUTOSHI
Exec Dt:
03/27/2009
3
SUGINO, MASAAKI
Exec Dt:
03/23/2009
4
IWAMOTO, MICHIHIKO
Exec Dt:
03/31/2009
5
YAMAMOTO, MIYUKI
Exec Dt:
03/23/2009
6
CHARVET-QUEMIN, JEAN-FRANCOIS
Exec Dt:
03/31/2009
7
LE CHEVALIER, BENOIT
Exec Dt:
03/31/2009
8
VERGER, ERIC
Exec Dt:
03/31/2009
Assignees
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI
OSAKA, JAPAN 541-0041
2
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE 59620
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7823931
US20090200798
12232362
Correspondence name and address
CLARK & BRODY
1090 VERMONT AVENUE, N.W.
SUITE 250
WASHINGTON, DC 20005
Assignment: 7
Reel/Frame:024861/0497   Pages: 11
Recorded: 08/19/2010
Attorney Dkt #:357894US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEIGNEUX, SYLVAIN
Exec Dt:
04/27/2010
2
DALY, DALY
Exec Dt:
04/27/2010
3
MAILLON, BERTRAND
Exec Dt:
04/29/2010
4
PATUREAU, CLAIRE
Exec Dt:
04/27/2010
5
VERGER, ERIC
Exec Dt:
04/27/2010
6
IWAMOTO, MICHIHIKO
Exec Dt:
04/20/2010
7
NAKAMURA, KEIICHI
Exec Dt:
04/27/2010
8
SUGINO, MASAAKI
Exec Dt:
04/27/2010
9
YAMAGUCHI, SUGURU
Exec Dt:
04/27/2010
Assignees
1
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE F-59620
2
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4 CHOME, CHUO-KU
OSAKA-SHI, OSAKA, JAPAN 541-0041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9605781
US20100301603
12741054
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:025200/0268   Pages: 8
Recorded: 10/27/2010
Attorney Dkt #:12014-0099
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAGUCHI, SUGURU
Exec Dt:
05/24/2010
2
NAKAMURA, KEIICHI
Exec Dt:
05/24/2010
3
SUGINO, MASAAKI
Exec Dt:
05/24/2010
4
IWAMOTO, MICHIHIKO
Exec Dt:
05/24/2010
5
BRIQUET, GABRIEL
Exec Dt:
09/30/2010
6
PATUREAU, CLAIRE
Exec Dt:
09/15/2010
7
DALY, DALY
Exec Dt:
09/15/2010
8
MAILLON, BERTRAND
Exec Dt:
09/13/2010
9
BEIGNEUX, SYLVAIN
Exec Dt:
09/15/2010
Assignees
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33 KITAHAMA, 4-CHOME, CHUO-KU, OSAKA-SHI
OSAKA, JAPAN 541-0041
2
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE 59620
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9568125
US20110025051
12774909
Correspondence name and address
CLARK & BRODY
1700 DIAGONAL RD.
SUITE 510
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:024853/0637   Pages: 6
Recorded: 08/18/2010
Attorney Dkt #:12014-0101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOTO, KUNIO
Exec Dt:
06/16/2010
2
KAMIMURA, TAKAYUKI
Exec Dt:
06/17/2010
3
TAKAHASHI, MASARU
Exec Dt:
06/18/2010
4
MATSUMOTO, KEISHI
Exec Dt:
06/16/2010
5
IWAMOTO, MICHIHIKO
Exec Dt:
06/13/2010
6
IMAI, RYUICHI
Exec Dt:
06/24/2010
7
RAI, STEPHANIE
Exec Dt:
06/15/2010
Assignees
1
SUMITOMO METAL INDUSTRIES, LTD.
5-33 KITAHAMA, 4-CHOME
CHUO-KU, OSAKA-SHI, OSAKA, JAPAN 541-0041
2
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE
AULNOYE-AYMERIES, FRANCE 59620
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9321982
US20100301600
12793867
Correspondence name and address
CLARK & BRODY
1700 DIAGONAL ROAD, SUITE 510
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:047866/0585   Pages: 3
Recorded: 12/28/2018
Attorney Dkt #:008810.00012\US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARUTA, SATOSHI
Exec Dt:
12/12/2018
2
IWAMOTO, MICHIHIKO
Exec Dt:
12/10/2018
Assignee
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11248725
US20210231240
16314030
Correspondence name and address
BANNER & WITCOFF, LTD.
28 STATE STREET
SUITE 1800
BOSTON, MA 02109
Assignment: 11
Reel/Frame:047868/0274   Pages: 3
Recorded: 12/28/2018
Attorney Dkt #:008810.00013\US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARUTA, SATOSHI
Exec Dt:
12/12/2018
2
IWAMOTO, MICHIHIKO
Exec Dt:
12/10/2018
Assignee
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11149882
US20190203857
16314133
Correspondence name and address
BANNER & WITCOFF, LTD.
28 STATE STREET
SUITE 1800
BOSTON, MA 02109
Assignment: 12
Reel/Frame:050426/0626   Pages: 4
Recorded: 09/19/2019
Attorney Dkt #:008810.00021\US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IWAMOTO, MICHIHIKO
Exec Dt:
08/22/2019
2
TAKEDA, YUSUKE
Exec Dt:
08/23/2019
3
KOCHI, YASUHIRO
Exec Dt:
08/29/2019
4
MARUTA, SATOSHI
Exec Dt:
08/29/2019
5
TOYOTA, YUSUKE
Exec Dt:
08/26/2019
Assignee
1
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11067205
US20200025315
16495420
Correspondence name and address
BANNER & WITCOFF, LTD.
28 STATE STREET
SUITE 1800
BOSTON, MA 02109
Assignment: 13
Reel/Frame:056792/0105   Pages: 4
Recorded: 07/08/2021
Attorney Dkt #:6356.146076
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IWAMOTO, MICHIHIKO
Exec Dt:
06/17/2021
2
TOYOTA, YUSUKE
Exec Dt:
06/22/2021
3
KOCHI, YASUHIRO
Exec Dt:
06/09/2021
Assignee
1
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11703163
US20220082189
17421500
Correspondence name and address
GREER, BURNS & CRAIN, LTD
300 S. WACKER DR.
SUITE 2500
CHICAGO, IL 60606

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