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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 : SAKATA, KOUICHI
Total Assignments: 23
Assignment: 1
Reel/Frame:016448/0788   Pages: 2
Recorded: 09/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATSUSHIMA, MITSUNORI
Exec Dt:
09/02/2004
2
SAKATA, KOUICHI
Exec Dt:
09/02/2004
3
TAKAYAMA, KATSUNORI
Exec Dt:
09/02/2004
Assignee
1
WIN TECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050165176
10508876
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
1100 NORTH GLEBE ROAD, 8TH FLOOR
ARLINGTON, VIRGINIA 22201
Assignment: 2
Reel/Frame:017741/0121   Pages: 2
Recorded: 04/04/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
03/08/2006
2
TAKAYAMA, KATSUNORI
Exec Dt:
03/08/2006
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8052830
US20070129475
10574574
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD
11TH FLOOR
ARLINGTON, VA 22203
Assignment: 3
Reel/Frame:024506/0850   Pages: 2
Recorded: 06/09/2010
Attorney Dkt #:1009760-000044
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
05/18/2010
2
AMANO, HIROYUKI
Exec Dt:
05/18/2010
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8142888
US20100267891
12746953
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 4
Reel/Frame:024510/0132   Pages: 2
Recorded: 06/09/2010
Attorney Dkt #:1009760-000046
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
06/01/2010
2
AMANO, HIROYUKI
Exec Dt:
06/01/2010
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8734956
US20100266857
12747052
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 5
Reel/Frame:025451/0904   Pages: 2
Recorded: 12/06/2010
Attorney Dkt #:1009760-000049
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
11/25/2010
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9884953
US20110092626
12996450
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 6
Reel/Frame:025452/0319   Pages: 2
Recorded: 12/06/2010
Attorney Dkt #:1009760-000050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
11/25/2010
2
OHTAKE, FUMIYUKI
Exec Dt:
11/25/2010
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8445570
US20110098388
12996461
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 7
Reel/Frame:025455/0992   Pages: 2
Recorded: 12/06/2010
Attorney Dkt #:1009760-000051
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
11/25/2010
2
OHTAKE, FUMIYUKI
Exec Dt:
11/25/2010
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8404763
US20110092616
12996490
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 8
Reel/Frame:027063/0809   Pages: 2
Recorded: 10/14/2011
Attorney Dkt #:1009760-000053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
09/28/2011
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120028063
13264491
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 9
Reel/Frame:028175/0661   Pages: 4
Recorded: 05/08/2012
Attorney Dkt #:1608-190 PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTAKE, FUMIYUKI
Exec Dt:
01/30/2012
2
SAKATA, KOUICHI
Exec Dt:
01/30/2012
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8530555
US20120232200
13508653
Correspondence name and address
DANIEL A. SCOLA, JR.
6900 JERICHO TURNPIKE
HOFFMANN & BARON, LLP
SYOSSET, NY 11791
Assignment: 10
Reel/Frame:029818/0043   Pages: 4
Recorded: 02/15/2013
Attorney Dkt #:1608-241 PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
01/21/2013
Assignee
1
WINTECH POLYMER LTD.
18-1, KONAN 2 CHOME, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11124602
US20130177774
13702885
Correspondence name and address
DANIEL A. SCOLA, JR.
6900 JERICHO TURNPIKE
HOFFMANN & BARON LLP
SYOSSET, NY 11791
Assignment: 11
Reel/Frame:030636/0006   Pages: 4
Recorded: 06/18/2013
Attorney Dkt #:1608-251 PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
04/16/2013
Assignee
1
POLYPLASTICS CO., LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9249296
US20130274390
13823711
Correspondence name and address
DANIEL A. SCOLA, JR.
6900 JERICHO TURNPIKE
HOFFMANN & BARON, LLP
SYOSSET, NY 11791
Assignment: 12
Reel/Frame:030938/0905   Pages: 4
Recorded: 08/05/2013
Attorney Dkt #:1608-256 PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOI, KUMIKO
Exec Dt:
07/19/2013
2
SAKATA, KOUICHI
Exec Dt:
07/10/2013
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8906988
US20130324649
13880996
Correspondence name and address
DANIEL A. SCOLA, JR.
6900 JERICHO TURNPIKE
HOFFMANN & BARON LLP
SYOSSET, NY 11791
Assignment: 13
Reel/Frame:031459/0923   Pages: 4
Recorded: 10/23/2013
Attorney Dkt #:1608-262 PCT/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMADA, SHINYA
Exec Dt:
09/27/2013
2
SAKATA, KOUICHI
Exec Dt:
09/27/2013
3
OHTAKE, FUMIYUKI
Exec Dt:
09/27/2013
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140058015
14113440
Correspondence name and address
HOFFMANN & BARON LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791
Assignment: 14
Reel/Frame:033614/0613   Pages: 4
Recorded: 08/26/2014
Attorney Dkt #:SHOBA19.004APC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
08/06/2014
Assignee
1
WINTECH POLYMER LTD.
2-18-1 KONAN, MINATO-KU
TOKYO, JAPAN 1088280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9434839
US20140322551
14348084
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 15
Reel/Frame:035611/0166   Pages: 6
Recorded: 05/11/2015
Attorney Dkt #:SHOBA19.005APC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMADA, SHINYA
Exec Dt:
10/22/2014
2
SAKATA, KOUICHI
Exec Dt:
10/22/2014
3
GOSHIMA, KAZUYA
Exec Dt:
10/22/2014
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 1088280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9522987
US20150126658
14400532
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 16
Reel/Frame:035100/0549   Pages: 5
Recorded: 03/06/2015
Attorney Dkt #:Q212843
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NONOKAWA, RYUJI
Exec Dt:
12/01/2014
2
SHOJI, SHINICHIRO
Exec Dt:
12/01/2014
3
YAMADA, SHINYA
Exec Dt:
12/01/2014
4
SAKATA, KOUICHI
Exec Dt:
12/01/2014
5
GOSHIMA, KAZUYA
Exec Dt:
12/01/2014
Assignees
1
TEIJIN LIMITED
6-7, MINAMIHOMMACHI 1-CHOME
CHUO-KU
OSAKA-SHI, OSAKA, JAPAN 541-0054
2
WINTECH POLYMER LTD.
18-1, KONAN 2-CHOME
MINATO-KU, TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9957375
US20150051324
14386141
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVE NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 17
Reel/Frame:042825/0250   Pages: 8
Recorded: 06/27/2017
Attorney Dkt #:P170687US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
06/21/2017
2
YAMADA, SHINYA
Exec Dt:
06/21/2017
3
YAMAMOTO, NOBUHIRO
Exec Dt:
06/11/2017
4
YAMAMOTO, TETSURO
Exec Dt:
06/13/2017
5
MATSUOKA, YOSHIAKI
Exec Dt:
06/08/2017
6
FUJIMOTO, TOYOHISA
Exec Dt:
06/08/2017
Assignees
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
2
KANEKA CORPORATION
2-3-18, NAKANOSHIMA, KITA-KU
OSAKA-SHI, OSAKA, JAPAN 530-8288
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10655007
US20170342260
15539958
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP
1250 CONNECTICUT AVENUE, N.W., SUITE 700
WASHINGTON, DC 20036
Assignment: 18
Reel/Frame:044598/0010   Pages: 3
Recorded: 01/11/2018
Attorney Dkt #:P180003US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORIYA, SHOTARO
Exec Dt:
12/27/2017
2
SAKATA, KOUICHI
Exec Dt:
12/27/2017
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10336899
US20180201778
15743715
Correspondence name and address
WESTERN, HATTORI, DANIELS & ADRIAN LLP
8500 LEESBURG PIKE
TYSONS, VA 22182
Assignment: 19
Reel/Frame:046504/0142   Pages: 4
Recorded: 07/30/2018
Attorney Dkt #:SHOBA19.014APC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMADA, SHINYA
Exec Dt:
04/20/2018
2
SAKATA, KOUICHI
Exec Dt:
04/20/2018
Assignee
1
WINTECH POLYMER LTD.
2-18-1 KONAN, MINATO-KU
TOKYO, JAPAN 1088280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10526482
US20180319976
15770026
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 20
Reel/Frame:048534/0312   Pages: 3
Recorded: 03/07/2019
Attorney Dkt #:P190258US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OSANO, KEIICHI
Exec Dt:
02/18/2019
2
SAKATA, KOUICHI
Exec Dt:
02/18/2019
Assignee
1
WINTECH POLYMER LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11214680
US20190249003
16331389
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LL
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182
Assignment: 21
Reel/Frame:052881/0298   Pages: 3
Recorded: 06/09/2020
Attorney Dkt #:P200545US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAKATA, KOUICHI
Exec Dt:
05/19/2020
Assignee
1
POLYPLASTICS CO., LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210170696
16771046
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LL
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182
Assignment: 22
Reel/Frame:057636/0314   Pages: 3
Recorded: 09/29/2021
Attorney Dkt #:P210733US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, KOUICHI
Exec Dt:
09/06/2021
2
MATSUZAKI, RYUSEI
Exec Dt:
09/03/2021
Assignee
1
POLYPLASTICS CO., LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220195179
17599636
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182
Assignment: 23
Reel/Frame:060137/0861   Pages: 3
Recorded: 06/08/2022
Attorney Dkt #:P220409US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISOMURA, TAKATO
Exec Dt:
04/27/2022
2
GOSHIMA, KAZUYA
Exec Dt:
04/27/2022
3
SAKATA, KOUICHI
Exec Dt:
04/27/2022
Assignee
1
POLYPLASTICS CO., LTD.
2-18-1, KONAN, MINATO-KU
TOKYO, JAPAN 108-8280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230041838
17783326
Correspondence name and address
WHDA, LLP
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182

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