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Patent Assignment Assignor Details
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Assignor Name : SEINO, YOSHIKATSU
Total Assignments: 17
Assignment: 1
Reel/Frame:008750/0891   Pages: 3
Recorded: 10/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUZE, SHIGEKI
Exec Dt:
06/06/1997
2
TANAKA, KENJI
Exec Dt:
06/06/1997
3
SUGA, KOUICHI
Exec Dt:
06/06/1997
4
SEINO, YOSHIKATSU
Exec Dt:
06/06/1997
5
SHISHIKURA, AKIHIRO
Exec Dt:
06/06/1997
6
KUNISHI, NORIYUKI
Exec Dt:
06/06/1997
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5922826
NONE
08875402
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
ATTORNEYS AT LAW
WILLIAM E. BEAUMONT
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 2
Reel/Frame:012123/0564   Pages: 3
Recorded: 08/30/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATSUO, SHIGERU
Exec Dt:
04/12/2000
2
SEINO, YOSHIKATSU
Exec Dt:
04/12/2000
Assignee
1
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, SHIBA 5-CHOME, MINATO-KU
TOKYO 108-0014, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6310030
NONE
09622917
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
JOSEPH A. SCAFETTA, JR.
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 3
Reel/Frame:011678/0997   Pages: 3
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATSUO, SHIGERU
Exec Dt:
11/17/2000
2
SEINO, YOSHIKATSU
Exec Dt:
11/17/2000
Assignee
1
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, SHIBA 5-CHOME, MINATO-KU
TOKYO 108-0014, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6699830
NONE
09700727
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
NORMAN F. OBLON
1755 JEFFERSON DAVIS HIGHWA, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:027287/0548   Pages: 3
Recorded: 11/28/2011
Attorney Dkt #:290087US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
04/18/2006
2
SENGA, MINORU
Exec Dt:
04/18/2006
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8084160
US20070196739
10576721
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:020623/0282   Pages: 4
Recorded: 02/29/2008
Attorney Dkt #:291923US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SENGA, MINORU
Exec Dt:
05/19/2006
2
SEINO, YOSHIKATSU
Exec Dt:
05/19/2006
3
TATSUMISAGO, MASAHIRO
Exec Dt:
06/02/2006
4
HAYASHI, AKITOSHI
Exec Dt:
06/02/2006
Assignees
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
2
MASAHIRO TATSUMISAGO
128-16, OMINO, SAKAI-SHI
OSAKA, JAPAN 599-8126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8962194
US20070160911
10586924
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:019747/0102   Pages: 4
Recorded: 08/27/2007
Attorney Dkt #:299949US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
10/30/2006
2
TAKAKA, KAZUNORI
Exec Dt:
11/02/2006
Assignees
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
NATIONAL INSTITUTE FOR MATERIALS SCIENCE
2-1, SENGEN 1-CHOME
TSUKUBA-SHI, IBARAKI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070248888
11628030
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:019810/0591   Pages: 6
Recorded: 09/11/2007
Attorney Dkt #:299949US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE 2ND ASSIGNOR'S NAME PREVIOUSLY RECORDED ON REEL 019747 FRAME 0102. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
10/30/2006
2
TAKADA, KAZUNORI
Exec Dt:
11/02/2006
Assignees
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
NATIONAL INSTITUTE FOR MATERIALS SCIENCE
2-1, SENGEN 1-CHOME,
TSUKUBA-SHI, IBARAKI,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070248888
11628030
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:019948/0134   Pages: 4
Recorded: 10/11/2007
Attorney Dkt #:311257US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
07/05/2007
2
TAKADA, KAZUNORI
Exec Dt:
07/05/2007
Assignees
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
NATIONAL INSTITUTE FOR MATERIALS SCIENCE
2-1, SENGEN 1-CHOME, TSUKUBA-SHI
IBARAKI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8053116
US20090011339
11813710
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:020982/0381   Pages: 3
Recorded: 05/22/2008
Attorney Dkt #:319627US2PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SENGA, MINORU
Exec Dt:
03/21/2008
2
SEINO, YOSHIKATSU
Exec Dt:
03/21/2008
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100151335
11997026
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:021708/0193   Pages: 4
Recorded: 10/20/2008
Attorney Dkt #:326543US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
06/09/2008
2
NAKAGAWA, MASARU
Exec Dt:
05/29/2008
3
SENGA, MINORU
Exec Dt:
06/16/2008
4
SHIBATA, MASATOSHI
Exec Dt:
06/16/2008
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8012631
US20090159839
12096481
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:026924/0540   Pages: 2
Recorded: 09/19/2011
Attorney Dkt #:Q126689
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
08/24/2011
2
MUROTA, TADATOSHI
Exec Dt:
08/24/2011
3
FUJIWARA, TETSU
Exec Dt:
08/24/2011
Assignee
1
SANTOKU CORPORATION
14-34, FUKAE-KITAMACHI 4-CHOME, HIGASHINADA-KU
KOBE-SHI, HYOGO, JAPAN 658-0013
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120028128
13257219
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:032801/0539   Pages: 9
Recorded: 05/01/2014
Attorney Dkt #:434175US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMBARA, TAKAYOSHI
Exec Dt:
03/24/2014
2
JUNKE, TADANORI
Exec Dt:
03/24/2014
3
ABURATANI, RYO
Exec Dt:
03/24/2014
4
HIGUCHI, HIROYUKI
Exec Dt:
03/24/2014
5
NAKAGAWA, MASARU
Exec Dt:
03/31/2014
6
OTA, TSUYOSHI
Exec Dt:
03/24/2014
7
SEINO, YOSHIKATSU
Exec Dt:
03/24/2014
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9620811
US20140302382
14355715
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:035059/0404   Pages: 4
Recorded: 02/20/2015
Attorney Dkt #:PK2110829
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUROTA, TADATOSHI
Exec Dt:
01/13/2015
2
KUSATSU, MASATOSHI
Exec Dt:
01/09/2015
3
SEINO, YOSHIKATSU
Exec Dt:
01/22/2015
4
KIMURA, MASAKATSU
Exec Dt:
01/22/2015
5
OTA, TSUYOSHI
Exec Dt:
01/22/2015
Assignee
1
SANTOKU CORPORATION
4-14-34 FUKAEKITAMACHI, HIGASHINADA-KU, KOBE-SHI
HYOGO, JAPAN 6580013
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9362591
US20150221978
14422952
Correspondence name and address
NOVICK, KIM & LEE, PLLC
1604 SPRING HILL ROAD, SUITE 320
VIENNA, VA 22182
Assignment: 14
Reel/Frame:036869/0849   Pages: 8
Recorded: 10/23/2015
Attorney Dkt #:461960US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEINO, YOSHIKATSU
Exec Dt:
06/08/2015
2
KAMBARA, TAKAYOSHI
Exec Dt:
06/08/2015
3
SENGA, MINORU
Exec Dt:
06/08/2015
4
ABURATANI, RYO
Exec Dt:
07/18/2015
5
JUNKE, TADANORI
Exec Dt:
06/08/2015
6
KIMURA, MASAKATSU
Exec Dt:
06/08/2015
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9793574
US20160104916
14786808
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:037121/0871   Pages: 4
Recorded: 11/23/2015
Attorney Dkt #:463224US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SATO, KOICHI
Exec Dt:
08/12/2015
2
SENGA, MINORU
Exec Dt:
08/04/2015
3
SEINO, YOSHIKATSU
Exec Dt:
07/31/2015
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10116002
US20160104917
14893424
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:057611/0209   Pages: 3
Recorded: 09/27/2021
Attorney Dkt #:539507US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOMAI, SHIGEKAZU
Exec Dt:
09/02/2021
2
SEINO, YOSHIKATSU
Exec Dt:
09/02/2021
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220154013
17598588
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 17
Reel/Frame:065146/0929   Pages: 8
Recorded: 10/06/2023
Attorney Dkt #:81056973
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAKI, TARO
Exec Dt:
09/25/2023
2
SEINO, YOSHIKATSU
Exec Dt:
09/25/2023
3
TOTSUKA, SHOTA
Exec Dt:
09/29/2023
4
TANAKA, MANABU
Exec Dt:
09/22/2023
5
KIMPARA, HIRONARI
Exec Dt:
09/22/2023
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240030486
18202747
Correspondence name and address
ELEMENT IP, PLC
2331 MILL ROAD
SUITE 610
ALEXANDRIA, VA 22314

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