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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SAMEJIMA, TADAO
Total Assignments: 20
Assignment: 1
Reel/Frame:015696/0474   Pages: 3
Recorded: 04/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
03/15/2004
2
SEKI, SUSUMU
Exec Dt:
03/15/2004
Assignee
1
MITSUBISHI RAYON CO., LTD.
6-41, KONAN 1-CHOME
MINATO-KU, TOKYO, JAPAN 108-8506
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040253445
10492414
Correspondence name and address
FITCH EVEN TABIN, ET AL.
KENDREW H. COLTON
1801 K STREET, NW
SUITE 401L
WASHINGTON, DC 20006-1201
Assignment: 2
Reel/Frame:025230/0034   Pages: 3
Recorded: 10/26/2010
Attorney Dkt #:370268US6PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAMEJIMA, TADAO
Exec Dt:
10/14/2010
Assignee
1
MITSUBISHI RAYON CO., LTD.
6-41, KONAN 1-CHOME, MINATO-KU
TOKYO, JAPAN 108-8506
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8603429
US20110033364
12988392
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:030902/0549   Pages: 3
Recorded: 07/30/2013
Attorney Dkt #:419336US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TATSUNO, HIROTO
Exec Dt:
07/12/2013
2
SUMIOKA, KAZUHIRO
Exec Dt:
07/12/2013
3
SAMEJIMA, TADAO
Exec Dt:
07/12/2013
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9705137
US20130323620
13982061
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:031072/0192   Pages: 4
Recorded: 08/23/2013
Attorney Dkt #:056819-5070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ICHINO, MASAHIRO
Exec Dt:
08/21/2013
2
KANEKO, MANABU
Exec Dt:
08/21/2013
3
KOGA, KAZUKI
Exec Dt:
08/21/2013
4
MIURA, TEPPEI
Exec Dt:
08/21/2013
5
TERANISHI, TAKUYA
Exec Dt:
08/21/2013
6
NUMATA, KIHARU
Exec Dt:
08/21/2013
7
MITANI, KAZUTAMI
Exec Dt:
08/21/2013
8
SAMEJIMA, TADAO
Exec Dt:
08/21/2013
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9481789
US20130327479
14001391
Correspondence name and address
ROBERT J. GAYBRICK
1111 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20004
Assignment: 5
Reel/Frame:033928/0922   Pages: 6
Recorded: 10/10/2014
Attorney Dkt #:442717US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKEDA, TADANOBU
Exec Dt:
10/06/2014
2
SAMEJIMA, TADAO
Exec Dt:
10/06/2014
3
HATANAKA, YOUJI
Exec Dt:
10/06/2014
4
YASUNAMI, TETSU
Exec Dt:
10/06/2014
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9738994
US20150110705
14391802
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:035077/0791   Pages: 6
Recorded: 03/03/2015
Attorney Dkt #:449526US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TERANISHI, TAKUYA
Exec Dt:
02/20/2015
2
KANEKO, MANABU
Exec Dt:
02/20/2015
3
ICHINO, MASAHIRO
Exec Dt:
02/20/2015
4
MIURA, TEPPEI
Exec Dt:
02/20/2015
5
SAMEJIMA, TADAO
Exec Dt:
02/20/2015
6
MIYAUCHI, AKIRA
Exec Dt:
02/20/2015
7
NUMATA, KIHARU
Exec Dt:
02/20/2015
8
MORI, SHOUHEI
Exec Dt:
02/20/2015
9
KUSUMI, MASAKI
Exec Dt:
02/20/2015
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10647828
US20150252160
14425543
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:038308/0375   Pages: 5
Recorded: 04/18/2016
Attorney Dkt #:470331US99 PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIYAUCHI, AKIRA
Exec Dt:
02/09/2016
2
SAMEJIMA, TADAO
Exec Dt:
02/09/2016
3
ICHINO, MASAHIRO
Exec Dt:
02/09/2016
4
TERANISHI, TAKUYA
Exec Dt:
02/09/2016
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160303777
15030284
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:044524/0600   Pages: 4
Recorded: 01/03/2018
Attorney Dkt #:056819-5139
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
12/08/2017
2
MIZUTORI, YUKIHIRO
Exec Dt:
12/08/2017
3
WATANABE, YASUSHI
Exec Dt:
12/08/2017
4
KANEHAGI, JUNJI
Exec Dt:
12/08/2017
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180194082
15741615
Correspondence name and address
GREGORY T. LOWEN
MORGAN, LEWIS & BOCKIUS LLP
1111 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20004
Assignment: 9
Reel/Frame:045283/0387   Pages: 6
Recorded: 03/20/2018
Attorney Dkt #:512004US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
03/15/2018
2
ISHIKAWA, RYUICHI
Exec Dt:
03/15/2018
3
IWATA, HIROSHI
Exec Dt:
03/15/2018
4
MIZUTORI, YUKIHIRO
Exec Dt:
03/15/2018
5
KAMATA, MASATOSHI
Exec Dt:
03/15/2018
6
WATANABE, YASUSHI
Exec Dt:
03/15/2018
7
OKUTSU, HAJIME
Exec Dt:
03/15/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10927479
US20180209076
15925849
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:045743/0765   Pages: 5
Recorded: 05/08/2018
Attorney Dkt #:513599US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIZUTORI, YUKIHIRO
Exec Dt:
04/27/2018
2
SAMEJIMA, TADAO
Exec Dt:
04/27/2018
3
WATANABE, YASUSHI
Exec Dt:
04/27/2018
4
KANEHAGI, JUNJI
Exec Dt:
04/27/2018
5
KOBAYASHI, TAKAYUKI
Exec Dt:
04/27/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10933563
US20180257265
15973919
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:045713/0479   Pages: 5
Recorded: 05/04/2018
Attorney Dkt #:513535US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
05/01/2018
2
MIZUTORI, YUKIHIRO
Exec Dt:
05/01/2018
3
WATANABE, YASUSHI
Exec Dt:
05/01/2018
4
KANEHAGI, JUNJI
Exec Dt:
05/01/2018
5
KAMATA, MASATOSHI
Exec Dt:
05/01/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10889025
US20180250849
15970935
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:046824/0292   Pages: 5
Recorded: 09/10/2018
Attorney Dkt #:515742US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIKAWA, RYUICHI
Exec Dt:
07/09/2018
2
MURANO, YASUNORI
Exec Dt:
07/09/2018
3
KAMATA, MASATOSHI
Exec Dt:
07/09/2018
4
YAMAMOTO, NOBUYUKI
Exec Dt:
07/09/2018
5
SAMEJIMA, TADAO
Exec Dt:
07/09/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180354243
16104198
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:046906/0973   Pages: 5
Recorded: 09/19/2018
Attorney Dkt #:516655US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
09/07/2018
2
MIZUTORI, YUKIHIRO
Exec Dt:
09/07/2018
3
KANEHAGI, JUNJI
Exec Dt:
09/07/2018
4
WATANABE, YASUSHI
Exec Dt:
09/07/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190016102
16135098
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:047875/0302   Pages: 4
Recorded: 12/31/2018
Attorney Dkt #:519171US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIYAUCHI, AKIRA
Exec Dt:
12/14/2018
2
SAMEJIMA, TADAO
Exec Dt:
12/14/2018
3
OKUTSU, HAJIME
Exec Dt:
12/14/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190134928
16236805
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:052681/0699   Pages: 4
Recorded: 05/18/2020
Attorney Dkt #:530495US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KANEHAGI, JUNJI
Exec Dt:
05/14/2020
2
SAMEJIMA, TADAO
Exec Dt:
05/14/2020
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11643513
US20200277455
16876173
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:053916/0575   Pages: 6
Recorded: 09/29/2020
Attorney Dkt #:81050897
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KANEHAGI, JUNJI
Exec Dt:
06/25/2020
2
MIZUTORI, YUKIHIRO
Exec Dt:
06/25/2020
3
SAMEJIMA, TADAO
Exec Dt:
06/25/2020
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210017670
17036333
Correspondence name and address
ELEMENT IP, PLC
2331 MILL ROAD
SUITE 610
ALEXANDRIA, VA 22314
Assignment: 17
Reel/Frame:060538/0152   Pages: 4
Recorded: 07/18/2022
Attorney Dkt #:045093-5026
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIZUTORI, YUKIHIRO
Exec Dt:
06/08/2022
2
KANEHAGI, JUNJI
Exec Dt:
06/08/2022
3
WATANABE, YASUSHI
Exec Dt:
06/08/2022
4
SAMEJIMA, TADAO
Exec Dt:
06/08/2022
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220347890
17865288
Correspondence name and address
JANICE H. LOGAN
1111 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004
Assignment: 18
Reel/Frame:061122/0284   Pages: 4
Recorded: 09/16/2022
Attorney Dkt #:045093-5029
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATANABE, YASUSHI
Exec Dt:
09/09/2022
2
SAMEJIMA, TADAO
Exec Dt:
09/09/2022
3
MIZUTORI, YUKIHIRO
Exec Dt:
09/09/2022
4
KANEHAGI, JUNJI
Exec Dt:
09/09/2022
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230020921
17945185
Correspondence name and address
JANICE H. LOGAN
1111 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004
Assignment: 19
Reel/Frame:061127/0456   Pages: 4
Recorded: 09/16/2022
Attorney Dkt #:045093-5033
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAO, HIROYUKI
Exec Dt:
09/15/2022
2
WATANABE, YASUSHI
Exec Dt:
09/15/2022
3
SAMEJIMA, TADAO
Exec Dt:
09/15/2022
4
MIZUTORI, YUKIHIRO
Exec Dt:
09/15/2022
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230021189
17946395
Correspondence name and address
JANICE H. LOGAN
1111 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004
Assignment: 20
Reel/Frame:064543/0625   Pages: 4
Recorded: 08/09/2023
Attorney Dkt #:045093-5042
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ODA, KENTARO
Exec Dt:
04/25/2023
2
WATANABE, YASUSHI
Exec Dt:
04/25/2023
3
SAMEJIMA, TADAO
Exec Dt:
04/25/2023
4
MIZUTORI, YUKIHIRO
Exec Dt:
04/25/2023
5
KANEHAGI, JUNJI
Exec Dt:
04/25/2023
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230390967
18231701
Correspondence name and address
JANICE H. LOGAN
1111 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004

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