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Patent Assignment Assignor Details
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Assignor Name : IZUMI, KEIJI
Total Assignments: 18
Assignment: 1
Reel/Frame:005772/0192   Pages: 3
Recorded: 07/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NOZAKI, MITSUYUKI
Exec Dt:
06/27/1991
2
OOI, KAZUSHIGE
Exec Dt:
06/27/1991
3
IZUMI, KEIJI
Exec Dt:
06/27/1991
Assignee
1
KABUSHIKI KAISHA TOSHIBA
A CORPORAITON OF JAPAN
72, HORIKAWA-CHO, SAIWAI-KU, KAWASAKI-SHI
KANAGAWA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
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5267044
NONE
07727907
Correspondence name and address
BANNER, BIRCH, MCKIE & BECKETT
1001 G STREET, N.W.
WASHINGTON, DC 20001-4597
Assignment: 2
Reel/Frame:011736/0671   Pages: 3
Recorded: 03/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKETSU, HIROFUMI
Exec Dt:
11/10/2000
2
YAMAMOTO, MASAYA
Exec Dt:
11/10/2000
3
IZUMI, KEIJI
Exec Dt:
11/10/2000
4
SUDO, SHUNTARO
Exec Dt:
11/10/2000
Assignees
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO 100-8366, JAPAN
2
TOYOTA JIDOSHA KABUSHIKI KAISHA
1, TOYOTA-CHO, TOYOTA-SHI
AICHI-KEN, 471-8571, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6905041
NONE
09787998
Correspondence name and address
WEBB ZIESENHEIM LOGSDON ET AL
RUSSELL D. ORKIN
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH PA 15219-1818
Assignment: 3
Reel/Frame:012440/0367   Pages: 3
Recorded: 11/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UEDA, KOUICHIRO
Exec Dt:
10/19/2001
2
MORIKAWA, SHIGEYASU
Exec Dt:
10/19/2001
3
NAKANO, TADASHI
Exec Dt:
10/19/2001
4
ARIYOSHI, YASUMI
Exec Dt:
10/19/2001
5
IZUMI, KEIJI
Exec Dt:
10/19/2001
6
MATSUNO, MASANORI
Exec Dt:
10/19/2001
7
TAKETSU, HIROFUMI
Exec Dt:
10/19/2001
Assignee
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO 100-8366, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6544666
US20020090529
10035554
Correspondence name and address
WEBB ZIESENHEIM LOGSDON OKRIN & ET AL
RUSSELL D. ORKIN
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219-1818
Assignment: 4
Reel/Frame:012693/0656   Pages: 3
Recorded: 03/07/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKAWA, KENICHI
Exec Dt:
03/05/2002
2
IZUMI, KEIJI
Exec Dt:
03/05/2002
Assignee
1
OLYPMPUS OPTICAL CO., LTD.
43-2, HATAGAYA 2-CHOME, SHIBUYA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6561615
US20020130922
10092797
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN, ET AL.
BARBARA VILLANI
767 THIRD AVENUE, 25TH FLOOR
NEW YORK, NEW YORK 10017-2023
Assignment: 5
Reel/Frame:012696/0097   Pages: 3
Recorded: 03/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
03/07/2002
2
OKAWA, KENICHI
Exec Dt:
03/07/2002
Assignee
1
OLYMPUS OPTICAL CO., LTD.
SHIBUYA-KU
43-2 HATAGAYA 2-CHOME
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6568784
US20020130915
10096009
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN & ET AL
BARBARA VILLANI
767 THIRD AVENUE 25TH FLOOR
NEW YORK, NEW YORK 10017-2023
Assignment: 6
Reel/Frame:013816/0368   Pages: 3
Recorded: 12/19/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIYANO, TSUTOMU
Exec Dt:
11/19/2002
2
SHIMIZU, TAKESHI
Exec Dt:
11/19/2002
3
IZUMI, KEIJI
Exec Dt:
11/19/2002
4
MORITA, YOSHIKAZU
Exec Dt:
11/19/2002
5
KAMOSHIDA, SHINICHI
Exec Dt:
11/19/2002
6
KINGETSU, TOSHIKI
Exec Dt:
11/19/2002
Assignee
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME
CHIYODA-KU
TOKYO 100-8366, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7608119
US20030170523
10312158
Correspondence name and address
WEBB ZIESENHEIM LOGSDON ET AL.
RUSSELL D. ORKIN
436 SEVENTH AVENUE
700 KOPPERS BUILDING
PITTSBURGH, PA 15219-1818
Assignment: 7
Reel/Frame:022119/0739   Pages: 5
Recorded: 01/16/2009
Attorney Dkt #:2950-090052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIYANO, TSUTOMU
Exec Dt:
11/19/2002
2
SHIMIZU, TAKESHI
Exec Dt:
11/19/2002
3
IZUMI, KEIJI
Exec Dt:
11/19/2002
4
MORITA, YOSHIKAZU
Exec Dt:
11/19/2002
5
KAMOSHIDA, SHINICHI
Exec Dt:
11/19/2002
6
KINGETSU, TOSHIKI
Exec Dt:
11/19/2002
Assignee
1
NISSHIN STEEL CO., LTD.
4-1 MARUNOUCHI 3-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7879508
US20090130535
12353644
Correspondence name and address
WEBB LAW FIRM
436 SEVENTH AVENUE
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:014325/0657   Pages: 5
Recorded: 07/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORITA, YOSHIKAZU
Exec Dt:
03/13/2003
2
KAMOSHIDA, SHINICHI
Exec Dt:
03/13/2003
3
SHIMIZU, TAKESHI
Exec Dt:
03/13/2003
4
MIYANO, TSUTOMU
Exec Dt:
03/13/2003
5
IZUMI, KEIJI
Exec Dt:
03/13/2003
6
YAGAMI, YUICHI
Exec Dt:
03/13/2003
7
TAKAHASHI, TSUYOSHI
Exec Dt:
03/13/2003
8
KAJIKAWA, YOSHIAKI
Exec Dt:
03/13/2003
9
KODAMA, KOUTA
Exec Dt:
03/13/2003
Assignees
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO 100-8366, JAPAN
2
TOYOTA JIDOSHA KABUSHIKI KAISHA
1, TOYOTA-CHO, TOYOTA-SHI
AICHI-KEN 471-8571, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7070877
US20030224236
10405895
Correspondence name and address
WEBB ZIESENHEIM LOGSDON ORKIN & HANSON,
P.C., RUSSELL D. ORKIN
700 KOPPERS BUILDING
436 SVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:015064/0790   Pages: 3
Recorded: 08/17/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMADA, TAKAHISA
Exec Dt:
06/24/2004
2
MATSUYAMA, TAKASHI
Exec Dt:
06/23/2004
3
SHIMIZU, MASANOBU
Exec Dt:
06/28/2004
4
HORIE, KAORU
Exec Dt:
06/23/2004
5
IZUMI, KEIJI
Exec Dt:
07/02/2004
6
HASHI, HIROSHI
Exec Dt:
06/23/2004
7
KITAHARA, TOSHIHIRO
Exec Dt:
06/23/2004
8
MIYAZAWA, TAKASHI
Exec Dt:
07/02/2004
Assignee
1
OLYMPUS CORPORATION
43-2, HATAGAYA 2-CHOME, SHIBUYA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7008052
US20040257410
10870851
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN & CHICK, PC
767 THIRD AVENUE
25TH FLOOR
NEW YORK, NY 10017-2023
Assignment: 10
Reel/Frame:020621/0643   Pages: 3
Recorded: 03/10/2008
Attorney Dkt #:492322037100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IZUMI, KEIJI
Exec Dt:
02/21/2008
Assignee
1
IZUMI, AYA
4-17-14, ABIKO, SUMIYOSHI-KU
OSAKA-SHI, OSAKA, JAPAN 558-0014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080169747
11964536
Correspondence name and address
ADAM KESER
C/O MORRISON & FOERSTER, LLP
1650 TYSONS BLVD. SUITE 400
MCLEAN, VA 22102
Assignment: 11
Reel/Frame:026045/0734   Pages: 2
Recorded: 03/30/2011
Attorney Dkt #:12065-0094
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIDA, YOSHIKATU
Exec Dt:
03/02/2011
2
FUJII, TAKAHIRO
Exec Dt:
02/28/2011
3
IZUMI, KEIJI
Exec Dt:
02/24/2011
4
ARAKAWA, HIRONORI
Exec Dt:
03/03/2011
5
YAMAGUCHI, TAKESHI
Exec Dt:
03/11/2011
Assignee
1
NISSHIN STEEL CO., LTD.
4-1 MARUNOUCHI 3-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110180141
13121686
Correspondence name and address
CLARK & BRODY
1700 DIAGONAL ROAD, SUITE 510
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:040278/0594   Pages: 4
Recorded: 11/10/2016
Attorney Dkt #:476739US125DES
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
10/19/2016
2
OOTA, YUUGO
Exec Dt:
10/19/2016
3
NAGATSU, TOMOYUKI
Exec Dt:
10/19/2016
Assignee
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D841192
NONE
29579059
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:043738/0560   Pages: 3
Recorded: 09/29/2017
Attorney Dkt #:1596-220
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
09/07/2017
2
OOTA, YUUGO
Exec Dt:
09/14/2017
3
NAGATSU, TOMOYUKI
Exec Dt:
09/14/2017
4
MIURA, NORIMASA
Exec Dt:
09/07/2017
5
NORITA, KATSUNARI
Exec Dt:
09/08/2017
6
OKUBO, KENICHI
Exec Dt:
09/14/2017
Assignee
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233645
US20180080228
15560223
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH STREET, N.W.
SUITE 800
WASHINGTON, DC 20005
Assignment: 14
Reel/Frame:043989/0743   Pages: 3
Recorded: 10/31/2017
Attorney Dkt #:1596-223
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
10/19/2017
2
OOTA, YUUGO
Exec Dt:
10/23/2017
3
NAGATSU, TOMOYUKI
Exec Dt:
10/24/2017
4
MIURA, NORIMASA
Exec Dt:
10/19/2017
5
NORITA, KATSUNARI
Exec Dt:
10/19/2017
6
OKUBO, KENICHI
Exec Dt:
10/24/2017
Assignee
1
NISSHIN STEEL CO., LTD.
4-1, MARUNOUCHI 3-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10400455
US20180066432
15562064
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH STREET, N.W.
SUITE 800
WASHINGTON, DC 20005
Assignment: 15
Reel/Frame:045378/0246   Pages: 5
Recorded: 03/28/2018
Attorney Dkt #:2115-0001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKUBO, KENICHI
Exec Dt:
03/06/2018
2
KUROTAKI, MOTONORI
Exec Dt:
03/12/2018
3
SUGITA, SHUICHI
Exec Dt:
03/09/2018
4
IZUMI, KEIJI
Exec Dt:
03/02/2018
5
NAGATSU, TOMOYUKI
Exec Dt:
03/12/2018
6
OOTA, YUUGO
Exec Dt:
03/12/2018
7
NORITA, KATSUNARI
Exec Dt:
03/05/2018
8
NOGUCHI, KEITA
Exec Dt:
03/05/2018
9
MIURA, NORIMASA
Exec Dt:
03/05/2018
Assignee
1
NISSHIN STEEL CO., LTD.
SHIN KOKUSAI BUILDING, 4-1,
MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10724242
US20190119917
15764192
Correspondence name and address
COOK ALEX LTD
200 WEST ADAMS STREET
SUITE 2850
CHICAGO, IL 60606
Assignment: 16
Reel/Frame:045875/0019   Pages: 4
Recorded: 05/22/2018
Attorney Dkt #:2115-0002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
05/17/2018
2
OOTA, YUUGO
Exec Dt:
05/17/2018
3
NAGATSU, TOMOYUKI
Exec Dt:
05/17/2018
4
MIURA, NORIMASA
Exec Dt:
05/17/2018
5
NORITA, KATSUNARI
Exec Dt:
05/17/2018
6
OKUBO, KENICHI
Exec Dt:
05/17/2018
7
KUROTAKI, MOTONORI
Exec Dt:
05/17/2018
Assignee
1
NISSHIN STEEL CO., LTD.
SHIN KOKUSAI BUILDING, 4-1,
MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10597874
US20190264448
15778100
Correspondence name and address
COOK ALEX LTD
200 WEST ADAMS STREET
SUITE 2850
CHICAGO, IL 60606
Assignment: 17
Reel/Frame:047841/0292   Pages: 3
Recorded: 12/21/2018
Attorney Dkt #:2115-0007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
12/19/2018
2
OOTA, YUUGO
Exec Dt:
12/19/2018
3
NAGATSU, TOMOYUKI
Exec Dt:
12/19/2018
Assignee
1
NISSHIN STEEL CO., LTD.
SHIN KOKUSAI BUILDING, 4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10519661
US20190203473
16311361
Correspondence name and address
COOK ALEX LTD
200 WEST ADAMS STREET
SUITE 2850
CHICAGO, IL 60606
Assignment: 18
Reel/Frame:051148/0370   Pages: 4
Recorded: 12/02/2019
Attorney Dkt #:2115-0010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIJI
Exec Dt:
11/26/2019
2
OOTA, YUUGO
Exec Dt:
11/26/2019
3
NAGATSU, TOMOYUKI
Exec Dt:
11/26/2019
4
MIURA, NORIMASA
Exec Dt:
11/26/2019
5
NORITA, KATSUNARI
Exec Dt:
11/26/2019
Assignee
1
NIPPON STEEL NISSHIN CO., LTD.
4-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11261603
US20200199875
16614995
Correspondence name and address
COOK ALEX LTD
200 WEST ADAMS STREET
SUITE 2004
CHICAGO, IL 60606

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