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

Assignor Name : KOUKA, HIROTO
Total Assignments: 12
Assignment: 1
Reel/Frame:021996/0250   Pages: 3
Recorded: 12/17/2008
Attorney Dkt #:Q93092
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOUKA, HIROTO
Exec Dt:
07/03/2008
2
OKUMURA, YOSHIKUNI
Exec Dt:
07/03/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7728181
US20090227818
12162531
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVENUE, NW
WASHINGTON, DC 20037-3213
Assignment: 2
Reel/Frame:024367/0778   Pages: 4
Recorded: 05/11/2010
Attorney Dkt #:Q118843
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKUMURA, YOSHIKUNI
Exec Dt:
04/12/2010
2
KOUKA, HIROTO
Exec Dt:
04/12/2010
3
AOKI, TAKANORI
Exec Dt:
04/12/2010
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 1058518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8791307
US20100261936
12742371
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 3
Reel/Frame:033131/0960   Pages: 2
Recorded: 06/18/2014
Attorney Dkt #:Q212400
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
04/14/2014
2
KOUKA, HIROTO
Exec Dt:
04/14/2014
3
SUZUKI, KAI
Exec Dt:
04/14/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150005406
14366566
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 4
Reel/Frame:033548/0214   Pages: 3
Recorded: 08/15/2014
Attorney Dkt #:Q213789
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
07/15/2014
2
KOUKA, HIROTO
Exec Dt:
07/15/2014
3
NAKANISHI, KENICHI
Exec Dt:
07/15/2014
4
ITO, DAIGO
Exec Dt:
07/15/2014
5
SASAKI, KAZUHIRO
Exec Dt:
07/15/2014
6
TAKEUCHI, YUTA
Exec Dt:
07/15/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 1058518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150030836
14379216
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 5
Reel/Frame:034039/0768   Pages: 2
Recorded: 10/27/2014
Attorney Dkt #:Q215154
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUZUKI, KAI
Exec Dt:
07/30/2014
2
KOUKA, HIROTO
Exec Dt:
07/30/2014
3
OOGA, KAZUHIKO
Exec Dt:
07/30/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150079379
14397259
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 6
Reel/Frame:033785/0668   Pages: 3
Recorded: 09/22/2014
Attorney Dkt #:14SHD-004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
09/16/2014
2
KOUKA, HIROTO
Exec Dt:
09/16/2014
3
SUZUKI, KAI
Exec Dt:
09/16/2014
4
NAKANISHI, KENICHI
Exec Dt:
09/16/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU,
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150050432
14386867
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 7
Reel/Frame:040969/0282   Pages: 6
Recorded: 01/13/2017
Attorney Dkt #:Q229052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOUKA, HIROTO
Exec Dt:
10/18/2016
2
FUKASE, KAZUNARI
Exec Dt:
10/18/2016
3
MURATA, NAOKI
Exec Dt:
10/18/2016
4
LI, HUI
Exec Dt:
10/18/2016
5
NAKAGAWA, YASUHIRO
Exec Dt:
10/18/2016
6
DOI, MITSURU
Exec Dt:
10/18/2016
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170207427
15326137
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 8
Reel/Frame:044198/0530   Pages: 5
Recorded: 11/22/2017
Attorney Dkt #:Q234763
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKASE, KAZUNARI
Exec Dt:
10/10/2017
2
KOUKA, HIROTO
Exec Dt:
10/10/2017
3
NAKAGAWA, YASUHIRO
Exec Dt:
10/10/2017
4
DOI, MITSURU
Exec Dt:
10/10/2017
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 1058518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180162100
15576337
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 9
Reel/Frame:046361/0298   Pages: 4
Recorded: 07/16/2018
Attorney Dkt #:Q238592
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOUKA, HIROTO
Exec Dt:
03/20/2018
2
FUKASE, KAZUNARI
Exec Dt:
03/23/2018
3
NAKAGAWA, YASUHIRO
Exec Dt:
03/20/2018
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10703944
US20190023954
16070432
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 10
Reel/Frame:049502/0709   Pages: 4
Recorded: 06/18/2019
Attorney Dkt #:Q246556
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOUKA, HIROTO
Exec Dt:
04/24/2019
2
NAKAGAWA, YASUHIRO
Exec Dt:
04/24/2019
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11804631
US20190326564
16470625
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, NW
SUITE 900
WASHINGTON, DC 20006
Assignment: 11
Reel/Frame:050842/0321   Pages: 5
Recorded: 10/28/2019
Attorney Dkt #:Q250839
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAHASHI, KENTAROU
Exec Dt:
10/17/2019
2
KOUKA, HIROTO
Exec Dt:
10/17/2019
3
NAKAGAWA, YASUHIRO
Exec Dt:
10/17/2019
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10766229
US20200189236
16608973
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006
Assignment: 12
Reel/Frame:054110/0918   Pages: 4
Recorded: 10/20/2020
Attorney Dkt #:Q257091
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOUKA, HIROTO
Exec Dt:
08/21/2020
2
NAKAGAWA, YASUHIRO
Exec Dt:
08/21/2020
Assignee
1
SHOWA DENKO K. K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210238402
17049164
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006

Search Results as of: 04/29/2024 12:28 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