skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : DOWA ECO-SYSTEM CO., LTD.
Total Assignments: 17
Assignment: 1
Reel/Frame:019699/0419   Pages: 3
Recorded: 08/15/2007
Attorney Dkt #:116314
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DOWA HOLDINGS CO., LTD.
Exec Dt:
07/19/2007
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME
CHIYODA-KU, TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7235181
US20040045403
10451067
Correspondence name and address
JAMES A. OLIFF
OLIFF & BERRIDGE, PLC
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 2
Reel/Frame:021895/0004   Pages: 2
Recorded: 11/26/2008
Attorney Dkt #:12065-0062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMADA, MASAMI
Exec Dt:
08/16/2007
2
UEHARA, TAISHI
Exec Dt:
08/20/2007
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8034156
US20090054718
11886843
Correspondence name and address
CLARK & BRODY
1090 VERMONT AVENUE, N.W.
SUITE 250
WASHINGTON, DC 20005
Assignment: 3
Reel/Frame:021895/0023   Pages: 2
Recorded: 11/26/2008
Attorney Dkt #:12065-0063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMADA, MASAMI
Exec Dt:
08/16/2007
2
UEHARA, TAISHI
Exec Dt:
08/20/2007
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7910516
US20090054229
11665342
Correspondence name and address
CLARK & BRODY
1090 VERMONT AVENUE, N.W.
SUITE 250
WASHINGTON, DC 20005
Assignment: 4
Reel/Frame:029632/0945   Pages: 3
Recorded: 01/15/2013
Attorney Dkt #:KKH-0074
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOSHI, SHUNSUKE
Exec Dt:
01/04/2013
2
TOMOGUCHI, MASARU
Exec Dt:
01/04/2013
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
4-14-1, SOTOKANDA, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9421589
US20130115004
13810044
Correspondence name and address
RADER, FISHMAN & GRAUER PLLC
1233 20TH STREET, N.W., SUITE 501
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:030068/0532   Pages: 3
Recorded: 03/22/2013
Attorney Dkt #:0079665-000010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
UEHARA, TAISHI
Exec Dt:
02/12/2013
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME
CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9969631
US20130175468
13825647
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 6
Reel/Frame:030689/0821   Pages: 5
Recorded: 06/26/2013
Attorney Dkt #:27231-32A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUJITA, KOJI
Exec Dt:
05/28/2013
2
KAWAKAMI, SATOSHI
Exec Dt:
05/27/2013
3
HONMA, YOSHIHIRO
Exec Dt:
05/29/2013
4
WATANABE, RYOEI
Exec Dt:
05/29/2013
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME
CHIYODA-KU, TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9359659
US20130287621
13927428
Correspondence name and address
JOHN L. CORDANI
50 LEAVENWORTH STREET
P.O. BOX 1110
WATERBURY, CT 06721-1110
Assignment: 7
Reel/Frame:051409/0599   Pages: 9
Recorded: 01/03/2020
Attorney Dkt #:P59297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
12/12/2019
2
HONMA, YOSHIHIRO
Exec Dt:
12/12/2019
3
NAKAJIMA, NORIO
Exec Dt:
12/12/2019
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210210807
16733537
Correspondence name and address
GREENBLUM & BERNSTEIN, P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 8
Reel/Frame:051409/0638   Pages: 9
Recorded: 01/03/2020
Attorney Dkt #:P59296
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
12/12/2019
2
HONMA, YOSHIHIRO
Exec Dt:
12/12/2019
3
NAKAJIMA, NORIO
Exec Dt:
12/12/2019
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11482737
US20210210806
16733525
Correspondence name and address
GREENBLUM & BERNSTEIN, P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 9
Reel/Frame:059740/0154   Pages: 7
Recorded: 04/26/2022
Attorney Dkt #:P65170
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
04/22/2022
2
HONMA, YOSHIHIRO
Exec Dt:
04/22/2022
3
WATANABE, RYOEI
Exec Dt:
04/22/2022
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220396852
17772041
Correspondence name and address
GREENBLUM & BERNSTEIN, P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 10
Reel/Frame:060720/0950   Pages: 9
Recorded: 08/04/2022
Attorney Dkt #:P66756
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YODOSE, TATSUYA
Exec Dt:
07/11/2022
2
WATANABE, RYOEI
Exec Dt:
07/11/2022
3
SASAKI, HITOSHI
Exec Dt:
07/11/2022
4
NISHIKAWA, CHIHIRO
Exec Dt:
07/11/2022
5
HONMA, YOSHIHIRO
Exec Dt:
07/11/2022
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230083016
17797548
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 11
Reel/Frame:060968/0564   Pages: 9
Recorded: 09/01/2022
Attorney Dkt #:P66975
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATANABE, RYOEI
Exec Dt:
08/19/2022
2
HONMA, YOSHIHIRO
Exec Dt:
08/19/2022
3
NISHIKAWA, CHIHIRO
Exec Dt:
08/19/2022
4
YAMASHITA, MASATAKA
Exec Dt:
08/19/2022
5
LIU, JIAHAO
Exec Dt:
08/19/2022
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230119544
17908740
Correspondence name and address
GREENBLUM & BERNSTEIN, P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 12
Reel/Frame:061016/0179   Pages: 8
Recorded: 09/07/2022
Attorney Dkt #:P67028
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
08/19/2022
2
HONMA, YOSHIHIRO
Exec Dt:
08/22/2022
3
WATANABE, RYOEI
Exec Dt:
08/19/2022
4
YAMASHITA, MASATAKA
Exec Dt:
08/19/2022
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230107938
17909898
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 13
Reel/Frame:061028/0775   Pages: 10
Recorded: 09/08/2022
Attorney Dkt #:P67038
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
08/19/2022
2
HONMA, YOSHIHIRO
Exec Dt:
08/22/2022
3
WATANABE, RYOEI
Exec Dt:
08/19/2022
4
YAMASHITA, MASATAKA
Exec Dt:
08/19/2022
5
ITO, YOSHIKI
Exec Dt:
08/19/2022
6
YOSHIWARA, YOSHITAKA
Exec Dt:
08/19/2022
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230104457
17910214
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C.
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 14
Reel/Frame:062934/0682   Pages: 12
Recorded: 03/09/2023
Attorney Dkt #:P68406
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
02/13/2023
2
HONMA, YOSHIHIRO
Exec Dt:
02/20/2023
3
WATANABE, RYOEI
Exec Dt:
02/13/2023
4
YAMASHITA, MASATAKA
Exec Dt:
02/10/2023
5
FUKUCHI, YOUICHI
Exec Dt:
02/13/2023
6
IZUMI, TOMOTAKA
Exec Dt:
02/13/2023
7
ITO, YOSHIKI
Exec Dt:
02/09/2023
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230323506
18025485
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 15
Reel/Frame:062934/0739   Pages: 8
Recorded: 03/09/2023
Attorney Dkt #:P68414
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
02/13/2023
2
HONMA, YOSHIHIRO
Exec Dt:
02/20/2023
3
WATANABE, RYOEI
Exec Dt:
02/13/2023
4
YAMASHITA, MASATAKA
Exec Dt:
02/10/2023
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230366061
18025490
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 16
Reel/Frame:062935/0473   Pages: 9
Recorded: 03/09/2023
Attorney Dkt #:P68415
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIKAWA, CHIHIRO
Exec Dt:
02/13/2023
2
HONMA, YOSHIHIRO
Exec Dt:
02/20/2023
3
WATANABE, RYOEI
Exec Dt:
02/13/2023
4
YAMASHITA, MASATAKA
Exec Dt:
02/10/2023
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230411719
18025498
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C
1950 ROLAND CLARKE PLACE
RESTON, VA 20191
Assignment: 17
Reel/Frame:062892/0216   Pages: 11
Recorded: 03/06/2023
Attorney Dkt #:P68394
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUGANUMA, YOJI
Exec Dt:
02/17/2023
2
NAGAHARA, HIROKI
Exec Dt:
02/07/2023
3
YOSHIHARA, MINORU
Exec Dt:
02/15/2023
4
NISHIKAWA, CHIHIRO
Exec Dt:
02/13/2023
5
WATANABE, RYOEI
Exec Dt:
02/13/2023
6
HONMA, YOSHIHIRO
Exec Dt:
02/20/2023
7
YAMASHITA, MASATAKA
Exec Dt:
02/10/2023
Assignee
1
DOWA ECO-SYSTEM CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN 101-0021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230318063
18024825
Correspondence name and address
GREENBLUM & BERNSTEIN P.L.C
1950 ROLAND CLARKE PLACE
RESTON, VA 20191

Search Results as of: 04/29/2024 04:29 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT