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 : KAWASHIMA, EMI
Total Assignments: 22
Assignment: 1
Reel/Frame:030672/0977   Pages: 4
Recorded: 06/24/2013
Attorney Dkt #:097898-0149
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NISHIMURA, MAMI
Exec Dt:
04/25/2013
2
KAWASHIMA, EMI
Exec Dt:
04/25/2013
3
KASAMI, MASASHI
Exec Dt:
04/25/2013
4
MATSUURA, MASAHIDE
Exec Dt:
04/26/2013
5
ITOSE, MASAYUKI
Exec Dt:
04/26/2013
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME,
CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130264565
13878937
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY AND LARDNER LLP SUITE 500
3000 K STREET NW
WASHINGTON, DC 20007
Assignment: 2
Reel/Frame:037769/0006   Pages: 4
Recorded: 02/18/2016
Attorney Dkt #:097898-0208
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOMAI, SHIGEKAZU
Exec Dt:
02/05/2016
2
SHIBATA, MASATOSHI
Exec Dt:
02/05/2016
3
KAWASHIMA, EMI
Exec Dt:
02/09/2016
4
YANO, KOKI
Exec Dt:
02/10/2016
5
HAYASAKA, HIROMI
Exec Dt:
02/09/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9570631
US20160211386
14912800
Correspondence name and address
FOLEY & LARDNER LLP
3000 K STREET, N.W.
SUITE 600
WASHINGTON, DC 20007
Assignment: 3
Reel/Frame:037769/0271   Pages: 4
Recorded: 02/18/2016
Attorney Dkt #:097898-0209
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOMAI, SHIGEKAZU
Exec Dt:
02/05/2016
2
SHIBATA, MASATOSHI
Exec Dt:
02/05/2016
3
KAWASHIMA, EMI
Exec Dt:
02/09/2016
4
YANO, KOKI
Exec Dt:
02/10/2016
5
HAYASAKA, HIROMI
Exec Dt:
02/09/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9691910
US20160197202
14912815
Correspondence name and address
FOLEY & LARDNER LLP
3000 K STREET, N.W.
SUITE 600
WASHINGTON, DC 20007
Assignment: 4
Reel/Frame:046144/0521   Pages: 7
Recorded: 06/20/2018
Attorney Dkt #:HEIWA-0065
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSURUMA, YUKI
Exec Dt:
03/12/2018
2
SEKIYA, TAKASHI
Exec Dt:
03/12/2018
3
TOMAI, SHIGEKAZU
Exec Dt:
03/12/2018
4
KAWASHIMA, EMI
Exec Dt:
03/12/2018
5
UEOKA, YOSHIHIRO
Exec Dt:
03/15/2018
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10374045
US20190006473
16064210
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN - AMB
2200 CLARENDON BLVD.
SUITE 1400
ARLINGTON, VA 22201
Assignment: 5
Reel/Frame:046192/0840   Pages: 8
Recorded: 06/25/2018
Attorney Dkt #:HEIWA-0067
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
03/12/2018
2
SEKIYA, TAKASHI
Exec Dt:
03/12/2018
3
TSURUMA, YUKI
Exec Dt:
03/12/2018
4
UEOKA, YOSHIHIRO
Exec Dt:
03/15/2018
5
TOMAI, SHIGEKAZU
Exec Dt:
03/12/2018
6
TAKESHIMA, MOTOHIRO
Exec Dt:
03/12/2018
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10340356
US20190013389
16065943
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN-AEW
2200 CLARENDON BLVD.
SUITE 1400
ARLINGTON, VA 22201
Assignment: 6
Reel/Frame:046415/0667   Pages: 8
Recorded: 06/22/2018
Attorney Dkt #:HEIWA-0066
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UEOKA, YOSHIHIRO
Exec Dt:
03/15/2018
2
SEKIYA, TAKASHI
Exec Dt:
03/12/2018
3
TOMAI, SHIGEKAZU
Exec Dt:
03/12/2018
4
KAWASHIMA, EMI
Exec Dt:
03/12/2018
5
TSURUMA, YUKI
Exec Dt:
03/12/2018
6
TAKESHIMA, MOTOHIRO
Exec Dt:
03/12/2018
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11189737
US20200266304
16065239
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN - AMB
2200 CLARENDON BLVD.
SUITE 1400
ARLINGTON, VA 22201
Assignment: 7
Reel/Frame:055439/0159   Pages: 4
Recorded: 02/28/2021
Attorney Dkt #:097898-0247
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSURUMA, YUKI
Exec Dt:
04/15/2019
2
KAWASHIMA, EMI
Exec Dt:
04/15/2019
3
NAGASAKI, YOSHIKAZU
Exec Dt:
04/15/2019
4
SEKIYA, TAKASHI
Exec Dt:
04/15/2019
5
UEOKA, YOSHIHIRO
Exec Dt:
04/15/2019
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11018238
US20190237556
16341055
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 8
Reel/Frame:050706/0715   Pages: 5
Recorded: 10/14/2019
Attorney Dkt #:097915-0155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
INOUE, KAZUYOSHI
Exec Dt:
08/08/2019
2
SHIBATA, MASATOSHI
Exec Dt:
08/08/2019
3
KAWASHIMA, EMI
Exec Dt:
08/08/2019
4
TSURUMA, YUKI
Exec Dt:
08/08/2019
5
TOMAI, SHIGEKAZU
Exec Dt:
08/08/2019
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11447421
US20200140337
16499143
Correspondence name and address
FOLEY & LARDNER LLP
3000 K STREET N.W.
SUITE 600
WASHINGTON, DC 20007-5109
Assignment: 9
Reel/Frame:055082/0718   Pages: 5
Recorded: 01/29/2021
Attorney Dkt #:097915-0169
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SASAKI, KENICHI
Exec Dt:
12/23/2020
2
KAWASHIMA, EMI
Exec Dt:
12/23/2020
3
INOUE, KAZUYOSHI
Exec Dt:
12/24/2020
4
SHIBATA, MASATOSHI
Exec Dt:
12/26/2020
5
YAO, ATSUSHI
Exec Dt:
12/23/2020
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11760650
US20210309535
17264622
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 10
Reel/Frame:055083/0515   Pages: 5
Recorded: 01/29/2021
Attorney Dkt #:097915-0170
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
INOUE, KAZUYOSHI
Exec Dt:
12/24/2020
2
SHIBATA, MASATOSHI
Exec Dt:
12/26/2020
3
KAWASHIMA, EMI
Exec Dt:
12/23/2020
4
SASAKI, KENICHI
Exec Dt:
12/23/2020
5
YAO, ATSUSHI
Exec Dt:
12/23/2020
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210343876
17264650
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 11
Reel/Frame:057614/0707   Pages: 10
Recorded: 09/27/2021
Attorney Dkt #:097915-0176
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
08/06/2021
2
INOUE, KAZUYOSHI
Exec Dt:
08/06/2021
3
OYAMA, MASASHI
Exec Dt:
08/10/2021
4
SHIBATA, MASATOSHI
Exec Dt:
08/06/2021
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12205992
US20220199784
17598817
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 12
Reel/Frame:067087/0604   Pages: 10
Recorded: 04/12/2024
Attorney Dkt #:097898-0355
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAGUCHI, KOJI
Exec Dt:
03/12/2024
2
TSURUMA, YUKI
Exec Dt:
03/12/2024
3
KAWASHIMA, EMI
Exec Dt:
03/12/2024
4
INOUE, KAZUYOSHI
Exec Dt:
03/13/2024
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250151354
18700706
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 13
Reel/Frame:068551/0921   Pages: 5
Recorded: 09/11/2024
Attorney Dkt #:26274US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
07/21/2024
2
TSURUMA, YUKI
Exec Dt:
07/19/2024
3
SASAKI, DAICHI
Exec Dt:
07/19/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250006783
18830651
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:068684/0602   Pages: 4
Recorded: 09/24/2024
Attorney Dkt #:26310US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
07/21/2024
2
TSURUMA, YUKI
Exec Dt:
07/19/2024
3
SASAKI, DAICHI
Exec Dt:
07/19/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250015198
18894269
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:068631/0669   Pages: 5
Recorded: 09/19/2024
Attorney Dkt #:26314US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
07/22/2024
2
TSURUMA, YUKI
Exec Dt:
07/23/2024
3
SASAKI, DAICHI
Exec Dt:
07/22/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250015196
18889394
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:068587/0735   Pages: 6
Recorded: 09/13/2024
Attorney Dkt #:097915-0239
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
07/25/2024
2
ITOSE, MAMI
Exec Dt:
08/14/2024
3
KAIJO, AKIRA
Exec Dt:
08/06/2024
4
INOUE, KAZUYOSHI
Exec Dt:
08/02/2024
5
IWASE, NOBUHIRO
Exec Dt:
07/25/2024
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250188591
18847175
Correspondence name and address
MICHAEL D. KAMINSKI
FOLEY & LARDNER LLP
3000 K STREET, N.W., SUITE 600
WASHINGTON, DC 20007
Assignment: 17
Reel/Frame:069381/0769   Pages: 9
Recorded: 11/18/2024
Attorney Dkt #:26866US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATAKABE, HAJIME
Exec Dt:
09/27/2024
2
TSUBUKU, MASASHI
Exec Dt:
10/15/2024
3
SASAKI, TOSHINARI
Exec Dt:
10/24/2024
4
TAMARU, TAKAYA
Exec Dt:
09/27/2024
5
KAWASHIMA, EMI
Exec Dt:
09/30/2024
6
TSURUMA, YUKI
Exec Dt:
09/30/2024
7
SASAKI, DAICHI
Exec Dt:
09/30/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250081540
18950230
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 18
Reel/Frame:071031/0765   Pages: 5
Recorded: 05/06/2025
Attorney Dkt #:26866US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
09/30/2024
2
TSURUMA, YUKI
Exec Dt:
09/30/2024
3
SASAKI, DAICHI
Exec Dt:
09/30/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250081540
18950230
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 19
Reel/Frame:070025/0271   Pages: 5
Recorded: 01/28/2025
Attorney Dkt #:28180US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
11/01/2024
2
TSURUMA, YUKI
Exec Dt:
11/01/2024
3
SASAKI, DAICHI
Exec Dt:
11/04/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU,
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250176219
19038754
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD, SUITE 402
ALEXANDRIA, VA 22314
Assignment: 20
Reel/Frame:070075/0347   Pages: 5
Recorded: 01/31/2025
Attorney Dkt #:28220US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SASAKI, DAICHI
Exec Dt:
11/04/2024
2
KAWASHIMA, EMI
Exec Dt:
11/01/2024
3
TSURUMA, YUKI
Exec Dt:
11/01/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250176222
19042008
Correspondence name and address
MR. BRYANT CARRILLO
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 21
Reel/Frame:070018/0022   Pages: 4
Recorded: 01/27/2025
Attorney Dkt #:28138US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
11/11/2024
2
TSURUMA, YUKI
Exec Dt:
11/11/2024
3
SASAKI, DAICHI
Exec Dt:
11/13/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 1008321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250176237
19037308
Correspondence name and address
MR. BRYANT CARRILLO
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314
Assignment: 22
Reel/Frame:070034/0296   Pages: 5
Recorded: 01/28/2025
Attorney Dkt #:28204US01CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWASHIMA, EMI
Exec Dt:
11/22/2024
2
TSURUMA, YUKI
Exec Dt:
11/22/2024
3
SASAKI, DAICHI
Exec Dt:
11/23/2024
Assignee
1
IDEMITSU KOSAN CO., LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250176220
19039202
Correspondence name and address
XSENSUS LLP
100 DAINGERFIELD ROAD
SUITE 402
ALEXANDRIA, VA 22314

Search Results as of: 09/30/2025 05:44 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