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Patent Assignment Assignor Details
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Assignor Name : UTAKA, TOSHIMASA
Total Assignments: 12
Assignment: 1
Reel/Frame:010429/0518   Pages: 3
Recorded: 11/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EGUCHI, KOICHI
Exec Dt:
07/15/1999
2
SEKIZAWA, KOSHI
Exec Dt:
07/17/1999
3
YANO, SEI-ICHI
Exec Dt:
07/26/1999
4
UTAKA, TOSHIMASA
Exec Dt:
07/26/1999
5
ARAI, HIROMICHI (DECEASED)
Exec Dt:
07/26/1999
6
ARAI, YUKIKO
Exec Dt:
07/26/1999
7
ARAI, MIWA (LEGAL HEIR, CHILD OF DECEASED)
Exec Dt:
07/26/1999
8
ARAI, KANTA (LEGAL HEIR, CHILD OF DECEASED)
Exec Dt:
07/26/1999
Assignee
1
YUKIO MIZUKI
24-4 ANESAKIKAIGAN, ICHIHARA-SHI
IDEMITSU KOSAN CO., LTD
CHIBA, JAPAN 299-0
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6238640
NONE
09306800
Correspondence name and address
OBLON, SPIVAK, MCCLELAND, MAIER ET AL
WILLIAM E. BEAUMONT
1755 JEFFERSON DAVIS HWY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:011101/0076   Pages: 4
Recorded: 09/06/2000
Conveyance: CORRECTIVE ASSIGNMENT, PREVIOUSLY RECORDED AT REEL 010429 FRAME 0518.
Assignors
1
EGUCHI, KOICHI
Exec Dt:
07/15/2000
2
SEKIZAWA, KOSHI
Exec Dt:
07/15/2000
3
YANO, SEI-ICHI
Exec Dt:
07/17/2000
4
UTAKA, TOSHIMASA
Exec Dt:
07/15/2000
5
ARAI, HIROMICHI (DECEASED), ARAI, YUKIKO (LEGAL HEIR, SPOUSE, OF DECEASED)
Exec Dt:
07/26/2000
6
ARAI, MIWA ( LEGAL HEIR, CHILD, OF DECEASED)
Exec Dt:
07/26/2000
7
ARAI, KANTA (LEGAL HEIR, CHILD, OF DECEASED)
Exec Dt:
07/26/2000
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, 100-0005, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6238640
NONE
09306800
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
NORMAN F. OBLON
FOURTH FLOOR, 1755 JEFFERSON DAVIS HWY.
ARLINGTON, VIRGINIA 22202
Assignment: 3
Reel/Frame:020124/0072   Pages: 3
Recorded: 11/15/2007
Attorney Dkt #:311046US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAITO, KAZUHITO
Exec Dt:
07/05/2007
2
UTAKA, TOSHIMASA
Exec Dt:
07/05/2007
3
TAKIZAWA, CHIAKI
Exec Dt:
07/05/2007
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080090115
11722753
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:034828/0809   Pages: 3
Recorded: 01/28/2015
Attorney Dkt #:440643US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UTAKA, TOSHIMASA
Exec Dt:
10/01/2014
2
KAMANO, HIDEKI
Exec Dt:
10/01/2014
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9587200
US20150175927
14417874
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:038687/0914   Pages: 6
Recorded: 05/23/2016
Attorney Dkt #:465274US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAMURA, KAZUSHI
Exec Dt:
03/09/2016
2
UTAKA, TOSHIMASA
Exec Dt:
03/09/2016
3
KAMANO, HIDEKI
Exec Dt:
03/09/2016
4
IIJIMA, AKIRA
Exec Dt:
03/09/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160304802
15038662
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:039245/0270   Pages: 2
Recorded: 07/25/2016
Attorney Dkt #:470095US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
UTAKA, TOSHIMASA
Exec Dt:
05/26/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9938482
US20160348027
15113931
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:039865/0603   Pages: 2
Recorded: 09/27/2016
Attorney Dkt #:472416US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
UTAKA, TOSHIMASA
Exec Dt:
07/21/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170183601
15129528
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:040735/0260   Pages: 2
Recorded: 12/14/2016
Attorney Dkt #:474314US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
UTAKA, TOSHIMASA
Exec Dt:
09/08/2016
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10472583
US20170137732
15318837
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:043641/0050   Pages: 6
Recorded: 09/20/2017
Attorney Dkt #:505181US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UTAKA, TOSHIMASA
Exec Dt:
09/15/2017
2
TAMURA, KAZUSHI
Exec Dt:
09/15/2017
3
KAMANO, HIDEKI
Exec Dt:
09/15/2017
4
IIJIMA, AKIRA
Exec Dt:
09/15/2017
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180072961
15560035
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:046927/0644   Pages: 4
Recorded: 09/20/2018
Attorney Dkt #:513089US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UTAKA, TOSHIMASA
Exec Dt:
05/24/2018
2
TAMURA, KAZUSHI
Exec Dt:
05/28/2018
3
IIJIMA, AKIRA
Exec Dt:
05/30/2018
Assignee
1
IDEMITSU KOSAN CO., LTD.
1-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10865360
US20190100713
16086800
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:053752/0699   Pages: 3
Recorded: 09/10/2020
Attorney Dkt #:531114US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KASAI, MORITSUGU
Exec Dt:
08/03/2020
2
UTAKA, TOSHIMASA
Exec Dt:
08/07/2020
Assignee
1
IDEMITSU KOSAN CO.,LTD.
1-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210047581
16979675
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:057587/0508   Pages: 2
Recorded: 09/24/2021
Attorney Dkt #:537965US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
UTAKA, TOSHIMASA
Exec Dt:
09/09/2021
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220186137
17442722
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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