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Patent Assignment Assignor Details
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Assignor Name : YAMAMOTO, KATSUMASA
Total Assignments: 21
Assignment: 1
Reel/Frame:004549/0436   Pages: 1
Recorded: 05/02/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUJII, TSUGUO
Exec Dt:
04/26/1986
2
YAMAMOTO, KATSUMASA
Exec Dt:
04/26/1986
3
ARATANI, TETSUO
Exec Dt:
04/26/1986
4
UEGAKI, YOSHINORI
Exec Dt:
04/26/1986
Assignee
1
TOYO BOSEKI KABUSHIKI KAISHA (TRADING UNDER THE NAME OF TOYOBO CO., LTD.)
2-8, DOKIMAHAMA 2-CHOME, KITA-KU, OSAKA-SHI
A CORP. OF JAPAN
OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4663431
NONE
06858988
Correspondence name and address
JONES, TULLAR & COOPER
P. O. BOX 2266, EADS STATION
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:004768/0609   Pages: 1
Recorded: 10/08/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUJII, TSUGUO
Exec Dt:
09/22/1987
2
YAMAMOTO, KATSUMASA
Exec Dt:
09/22/1987
3
UDA, JUNJI
Exec Dt:
09/22/1987
Assignee
1
TOYO BOSEKI KABUSHIKI KAISHA, (T/U TOYOBO CO., LTD.
2-8, DOJIMAHAMA 2-CHOME, KITA-KU, OSAKA-SHI,
OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5145946
NONE
07081783
Correspondence name and address
WEGNER & BRETSCHNEIDER
P.O. BOX 18218
WASHINGTON, D.C. 20036-8218
Assignment: 3
Reel/Frame:004916/0889   Pages: 1
Recorded: 08/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOBAYASHI, SHIGEO
Exec Dt:
07/01/1988
2
HIRAMATSU, TOSHIO
Exec Dt:
07/01/1988
3
YAMAMOTO, KATSUMASA
Exec Dt:
07/01/1988
4
ICHIKAWA, NOBUHIKO
Exec Dt:
07/01/1988
Assignee
1
TOYO BOSEKI KABUSHIKI KAISHA (TRADING UNDER THE NAME OF TOYOBO CO., LTD.), 2-8, DOJIMAHAMA 2-CHOME, KITA-KU, OSAKA-SHI, OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4957980
NONE
07229463
Correspondence name and address
WEGNER & BRETSCHNEIDER
P.O. BOX 18218
WASHINGTON, DC 20036-8218
Assignment: 4
Reel/Frame:005540/0759   Pages: 2
Recorded: 11/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMAMOTO, KATSUMASA
Exec Dt:
11/13/1990
2
MIZUNO, KYOICHI
Exec Dt:
11/13/1990
3
ONODERA, KOSAKU
Exec Dt:
11/13/1990
4
KAWAHARA, KEIZO
Exec Dt:
11/13/1990
5
NANPEI, MASARU
Exec Dt:
11/13/1990
Assignee
1
TOYO BOSEKI KABUSHIKI KAISHA
2-8, DOJIMA HAMA 2-CHOME,
A CORP. OF JAPAN
KITA-KU, OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5124736
NONE
07619969
Correspondence name and address
WEGNER, CANTOR, MUELLER & PLAYER
P. O. BOX 18218
WASHINGTON, DC 20036-8218
Assignment: 5
Reel/Frame:006072/0880   Pages: 6
Recorded: 04/08/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMAMOTO, KATSUMASA
Exec Dt:
03/06/1992
2
ARIKI, TAKAMITSU
Exec Dt:
03/06/1992
3
ONODERA, KOSAKU
Exec Dt:
03/06/1992
4
NAMPEI, MASARU
Exec Dt:
03/06/1992
Assignee
1
TOYO BOSEKI KABUSHIKI KAISHA, A CORPORATION OF JAPAN
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6150076
NONE
07839173
Correspondence name and address
LEYDIG, VOIT & MAYER
TWO PRUDENTIAL PLAZA STE. 4900
CHICAGO, IL 60601-6780
Assignment: 6
Reel/Frame:008560/0396   Pages: 5
Recorded: 04/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAMOTO, KATSUMASA
Exec Dt:
03/17/1997
2
NAKANO, MASAHITO,
Exec Dt:
03/17/1997
3
SUZUKI, MICHIO
Exec Dt:
03/17/1997
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO, KAKO-GUN
HYOGO 675-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5834621
NONE
08809929
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
GERALD M. MURPHY, JR.
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 7
Reel/Frame:024377/0990   Pages: 2
Recorded: 05/13/2010
Attorney Dkt #:100677
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAMOTO, KATSUMASA
Exec Dt:
04/05/2010
2
YAMAGUCHI, HIROFUMI
Exec Dt:
04/06/2010
3
SUZUKI, MICHIO
Exec Dt:
04/05/2010
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO, KAKO-GUN
HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8216768
US20100233621
12741325
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LL
1250 CONNECTICUT AVENUE, NW
SUITE-700
WASHINGTON, DC 20036-2657
Assignment: 8
Reel/Frame:028853/0543   Pages: 2
Recorded: 08/27/2012
Attorney Dkt #:120784
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MASUHARA, YUSAKU
Exec Dt:
07/30/2012
2
MYOKEN, HIDEHIKO
Exec Dt:
07/27/2012
3
YAMAMOTO, KATSUMASA
Exec Dt:
07/27/2012
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8540904
US20120313058
13522790
Correspondence name and address
WESTERMAN HATTORI DANIELS & ADRIAN LL
1250 CONNECTICUT AVE
SUITE 700
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:035810/0993   Pages: 3
Recorded: 06/09/2015
Attorney Dkt #:20162.0122USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
05/26/2015
2
SANADA, SHOHEI
Exec Dt:
05/26/2015
3
YAMAMOTO, KATSUMASA
Exec Dt:
05/26/2015
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO, KAKO-GUN
HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9181400
US20150284515
14438499
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
P. O. BOX 2902
MINNEAPOLIS, MN 55402
Assignment: 10
Reel/Frame:038156/0678   Pages: 3
Recorded: 03/31/2016
Attorney Dkt #:20162.0177USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
03/15/2016
2
SANADA, SHOHEI
Exec Dt:
03/17/2016
3
YAMAMOTO, KATSUMASA
Exec Dt:
03/16/2016
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9783717
US20160194537
14911412
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
P.O. BOX 2902
MINNEAPOLIS, MN 55402
Assignment: 11
Reel/Frame:038156/0728   Pages: 3
Recorded: 03/31/2016
Attorney Dkt #:20162.0178USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
03/15/2016
2
YAMAMOTO, KATSUMASA
Exec Dt:
03/16/2016
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9963552
US20160194454
14911621
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:044580/0650   Pages: 8
Recorded: 01/10/2018
Attorney Dkt #:Q237199
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
10/30/2017
2
HARISAKI, RYOTA
Exec Dt:
10/30/2017
3
YAMAMOTO, KATSUMASA
Exec Dt:
10/30/2017
4
NEMOTO, NOBUKATSU
Exec Dt:
10/29/2017
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO, KAKO-GUN
HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190119434
15743189
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVE. NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:045820/0281   Pages: 8
Recorded: 05/16/2018
Attorney Dkt #:Q239700
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
03/15/2018
2
HARISAKI, RYOTA
Exec Dt:
03/19/2018
3
YAMAMOTO, KATSUMASA
Exec Dt:
03/19/2018
4
NEMOTO, NOBUKATSU
Exec Dt:
03/13/2018
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180327595
15776501
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 14
Reel/Frame:049702/0168   Pages: 5
Recorded: 07/09/2019
Attorney Dkt #:Q248130
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARISAKI, RYOTA
Exec Dt:
04/17/2019
2
FUKUDA, NORIAKI
Exec Dt:
04/16/2019
3
YAMAMOTO, KATSUMASA
Exec Dt:
04/17/2019
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11292872
US20190352448
16476714
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 900
WASHINGTON, DC 20006
Assignment: 15
Reel/Frame:049702/0355   Pages: 5
Recorded: 07/09/2019
Attorney Dkt #:Q248132
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
04/16/2019
2
HARISAKI, RYOTA
Exec Dt:
04/17/2019
3
YAMAMOTO, KATSUMASA
Exec Dt:
04/17/2019
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11111382
US20190359822
16476721
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 900
WASHINGTON, DC 20006
Assignment: 16
Reel/Frame:049702/0396   Pages: 4
Recorded: 07/09/2019
Attorney Dkt #:Q248128
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
04/16/2019
2
HARISAKI, RYOTA
Exec Dt:
04/17/2019
3
YAMAMOTO, KATSUMASA
Exec Dt:
04/17/2019
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200385514
16476679
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20006
Assignment: 17
Reel/Frame:049702/0491   Pages: 4
Recorded: 07/09/2019
Attorney Dkt #:Q248129
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
04/16/2019
2
HARISAKI, RYOTA
Exec Dt:
04/17/2019
3
YAMAMOTO, KATSUMASA
Exec Dt:
04/17/2019
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11091627
US20190322858
16476681
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20006
Assignment: 18
Reel/Frame:049702/0526   Pages: 4
Recorded: 07/09/2019
Attorney Dkt #:Q248131
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUDA, NORIAKI
Exec Dt:
04/16/2019
2
HARISAKI, RYOTA
Exec Dt:
04/17/2019
3
YAMAMOTO, KATSUMASA
Exec Dt:
04/17/2019
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11603466
US20200385565
16476695
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20006
Assignment: 19
Reel/Frame:056951/0562   Pages: 3
Recorded: 07/22/2021
Attorney Dkt #:20539.0061USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MASUHARA, YUSAKU
Exec Dt:
06/30/2021
2
ASABA, TAKURO
Exec Dt:
07/14/2021
3
YAMAMOTO, KATSUMASA
Exec Dt:
06/30/2021
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 675-0145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220106420
17425104
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET
SUITE 2700
MINNEAPOLIS, MN 55402-1683
Assignment: 20
Reel/Frame:058156/0698   Pages: 3
Recorded: 11/18/2021
Attorney Dkt #:LEX007.039APC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAKUTAKA, KAIRI
Exec Dt:
08/16/2021
2
YAMAMOTO, KATSUMASA
Exec Dt:
08/16/2021
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI
HARIMA-CHO, KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220267653
17595553
Correspondence name and address
KNOBBE MARTENS OLSON AND BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 21
Reel/Frame:058473/0224   Pages: 4
Recorded: 12/23/2021
Attorney Dkt #:Q270993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARISAKI, RYOTA
Exec Dt:
11/09/2021
2
YAMAMOTO, KATSUMASA
Exec Dt:
11/09/2021
Assignee
1
SUMITOMO SEIKA CHEMICALS CO., LTD.
346-1, MIYANISHI, HARIMA-CHO
KAKO-GUN, HYOGO, JAPAN 6750145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220243001
17597063
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006

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