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Patent Assignment Assignor Details
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Assignor Name : ISHITSUKA, TETSUO
Total Assignments: 10
Assignment: 1
Reel/Frame:005960/0761   Pages: 3
Recorded: 12/20/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, HIROYUKI
Exec Dt:
12/17/1991
2
ISHITSUKA, TETSUO
Exec Dt:
12/17/1991
3
DENPO, KOZO
Exec Dt:
12/17/1991
4
MIYASAKA, AKIHIRO
Exec Dt:
12/17/1991
5
ITO, MICHIHISA
Exec Dt:
12/17/1991
6
SAKAKIBARA, MIZUO
Exec Dt:
12/17/1991
Assignee
1
NIPPON STEEL CORPORATION
NO. 6-3, 2-CHOME, OTEMACHI, CHIYODAKU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5194222
NONE
07810882
Correspondence name and address
WENDEROTH, LIND & PONACK
SOUTHERN BLDG., - SUITE 700
805 FIFTEENTH STREET, N. W.
WASHINGTON, DC 20005
Assignment: 2
Reel/Frame:005960/0766   Pages: 3
Recorded: 12/20/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, HIROYUKI
Exec Dt:
12/17/1991
2
ISHITSUKA, TETSUO
Exec Dt:
12/17/1991
3
DENPO, KOZO
Exec Dt:
12/17/1991
4
MIYASAKA, AKIHIRO
Exec Dt:
12/17/1991
5
TAKEDA, KOICHI
Exec Dt:
12/17/1991
6
ARAKI, SATOSHI
Exec Dt:
12/17/1991
Assignee
1
NIPPON STEEL CORPORATION
NO. 6-3, 2-CHOME, OTEMACHI, CHIYODAKU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5190832
NONE
07811066
Correspondence name and address
WENDEROTH, LIND & PONACK
SOUTHERN BUILD. - STE. 700
805 15TH ST., N.W.
WASHINGTON, DC 20005
Assignment: 3
Reel/Frame:007702/0153   Pages: 2
Recorded: 10/26/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OGAWA, HIROYUKI
Exec Dt:
09/20/1995
2
ISHITSUKA, TETSUO
Exec Dt:
09/20/1995
3
NOSE, KOICHI
Exec Dt:
09/20/1995
Assignee
1
NIPPON STEEL CORPORATION
6-3, OTEMACHI 1-CHOME CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5620805
NONE
08535120
Correspondence name and address
EDWARD W. GREASON
KENYON & KENYON
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 4
Reel/Frame:009053/0190   Pages: 2
Recorded: 12/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHITSUKA, TETSUO
Exec Dt:
10/30/1997
2
NOSE, KOICHI
Exec Dt:
10/30/1997
Assignee
1
NIPPON STEEL CORPORATION
6-3, OTEMACHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6060180
NONE
08973356
Correspondence name and address
KENYON & KENYON
EDWARD W. GREASON
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 5
Reel/Frame:020568/0913   Pages: 2
Recorded: 02/13/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHITSUKA, TETSUO
Exec Dt:
01/21/2008
2
MIMURA, HIROYUKI
Exec Dt:
01/21/2008
3
KOYUBA, MOTOFUMI
Exec Dt:
01/21/2008
4
TAKASUGI, NAOKI
Exec Dt:
01/21/2008
5
ICHIYAMA, TAKAHIRO
Exec Dt:
01/21/2008
Assignee
1
NIPPON STEEL CORPORATION
6-3, OTEMACHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090250146
11990477
Correspondence name and address
JOHN J. KELLY, JR., ESQ.
KENYON & KENYON LLP
ONE BROADWAY
NEW YORK, NEW YORK 10004-5288
Assignment: 6
Reel/Frame:021626/0333   Pages: 3
Recorded: 09/25/2008
Attorney Dkt #:0210-0192PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHINOHARA, YASUHIRO
Exec Dt:
08/20/2008
2
ISHITSUKA, TETSUO
Exec Dt:
08/20/2008
3
INOUE, KAZUHIRO
Exec Dt:
08/20/2008
4
KATO, BUNSHI
Exec Dt:
08/20/2008
5
TAKAMOTO, TERUHISA
Exec Dt:
08/20/2008
6
OKAMOTO, JUNICHI
Exec Dt:
08/20/2008
Assignee
1
NIPPON STEEL CORPORATION
6-3, OTEMACHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090065102
12225579
Correspondence name and address
MARC S. WEINER
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, VIRGINIA 22040-0747
Assignment: 7
Reel/Frame:023845/0690   Pages: 2
Recorded: 01/20/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASAHI, HITOSHI
Exec Dt:
01/06/2010
2
ISHITSUKA, TETSUO
Exec Dt:
01/06/2010
3
KOYUBA, MOTOFUMI
Exec Dt:
01/06/2010
4
OGATA, TOSHIYUKI
Exec Dt:
01/06/2010
Assignee
1
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8920583
US20100119860
12452765
Correspondence name and address
WEINING WANG
KENYON & KENYON LLP
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 8
Reel/Frame:034227/0978   Pages: 8
Recorded: 11/21/2014
Attorney Dkt #:16323/1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHITSUKA, TETSUO
Exec Dt:
10/09/2014
2
KOYUBA, MOTOFUMI
Exec Dt:
10/09/2014
3
IWAMURA, MASAMICHI
Exec Dt:
10/09/2014
4
TANGE, AKIRA
Exec Dt:
11/05/2014
5
TAKAHASHI, KEN
Exec Dt:
11/05/2014
6
KURIMOTO, KIYOSHI
Exec Dt:
11/05/2014
7
WAKABAYASHI, YUTAKA
Exec Dt:
11/05/2014
Assignees
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
2
NHK SPRING CO., LTD.
3-10, FUKUURA, KANAZAWA-KU, YOKOHAMA-CITY
KANAGAWA, JAPAN 236-0004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150176101
14402745
Correspondence name and address
KENYON & KENYON LLP
ONE BROADWAY
NEW YORK, NY 10004
Assignment: 9
Reel/Frame:043695/0842   Pages: 4
Recorded: 09/26/2017
Attorney Dkt #:0210-0443PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHITSUKA, TETSUO
Exec Dt:
06/06/2017
2
IWAMOTO, SHUJI
Exec Dt:
06/06/2017
3
TSUSUE, TAKASHI
Exec Dt:
06/06/2017
4
KOBAYASHI, SHUNICHI
Exec Dt:
06/06/2017
5
YOSHIDA, OSAMU
Exec Dt:
06/06/2017
6
KAWANO, HIDETO
Exec Dt:
06/06/2017
Assignee
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10640843
US20180105893
15561337
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100E
FALLS CHURCH, VA 22042
Assignment: 10
Reel/Frame:045557/0213   Pages: 10
Recorded: 04/17/2018
Attorney Dkt #:1982-1049PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHITSUKA, TETSUO
Exec Dt:
02/21/2018
2
TSUSUE, TAKASHI
Exec Dt:
02/27/2018
3
IWAMOTO, SHUJI
Exec Dt:
02/27/2018
4
KOBAYASHI, SHUNICHI
Exec Dt:
02/27/2018
5
OGATA, TOSHIYUKI
Exec Dt:
02/27/2018
6
YOSHIDA, OSAMU
Exec Dt:
03/05/2018
7
KAWANO, HIDETO
Exec Dt:
03/05/2018
Assignee
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10738371
US20180298475
15768691
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100E
FALLS CHURCH, VA 22042

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