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 : YOKOYAMA, SEIJI
Total Assignments: 24
Assignment: 1
Reel/Frame:015522/0089   Pages: 2
Recorded: 06/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWAGUCHI, HIROSHI
Exec Dt:
03/18/2004
2
YOKOYAMA, SEIJI
Exec Dt:
03/18/2004
Assignee
1
CANON KABUSHIKI KAISHA
3-30-2 SHIMOMARUKO, OHTA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7039337
US20040218944
10779614
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
WILLIAM M. WANNISKY
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3801
Assignment: 2
Reel/Frame:015219/0558   Pages: 2
Recorded: 04/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMAGATA, MASANORI
Exec Dt:
03/30/2004
2
KATSUMATA, TOMOHIDE
Exec Dt:
03/30/2004
3
YOKOYAMA, SEIJI
Exec Dt:
03/30/2004
Assignee
1
CANON KABUSHIKI KAISHA
3-30-2, SHIMOMARUKO, OHTA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6985677
US20040197108
10817872
Correspondence name and address
FITZPATRICK, CELLA, HARPER ET.AL.
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3801
Assignment: 3
Reel/Frame:016825/0808   Pages: 3
Recorded: 02/28/2005
Attorney Dkt #:2593-0152PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOMIYAMA, SHINJI
Exec Dt:
02/18/2005
2
NUMATA, HIROMI
Exec Dt:
02/15/2005
3
YOKOYAMA, SEIJI
Exec Dt:
02/15/2005
Assignee
1
ZEON CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO 100-8323, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050245683
10526085
Correspondence name and address
MARC S. WEINER
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE RD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 4
Reel/Frame:017377/0492   Pages: 3
Recorded: 12/23/2005
Attorney Dkt #:2593-0157PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOMIYAMA, SHINJI
Exec Dt:
11/30/2005
2
NUMATA, HIROMI
Exec Dt:
12/02/2005
3
YOKOYAMA, SEIJI
Exec Dt:
12/02/2005
Assignee
1
ZEON CORPORATION
6-2, MANUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO 100-8246, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060281865
10562146
Correspondence name and address
MARC S. WEINER
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
P.O. BOX 747
FALL CHURCH, VA 22040-0747
Assignment: 5
Reel/Frame:018620/0956   Pages: 3
Recorded: 12/12/2006
Attorney Dkt #:00862.123585.
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SEIJI
Exec Dt:
12/01/2006
Assignee
1
CANON KABUSHIKI KAISHA
3-30-2, SHIMOMARUKO,
OHTA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7590363
US20070134010
11567542
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3800
Assignment: 6
Reel/Frame:018882/0831   Pages: 3
Recorded: 02/06/2007
Attorney Dkt #:01272.131371
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
02/01/2007
2
YAMAGUCHI, ATSUHIKO
Exec Dt:
02/01/2007
Assignee
1
CANON KABUSHIKI KAISHA
3-30-2, SHIMOMARUKO, OHTA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7979021
US20070201925
11671677
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3800
Assignment: 7
Reel/Frame:022076/0060   Pages: 4
Recorded: 01/08/2009
Attorney Dkt #:SPSN-AF02170
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
11/20/2008
2
SEKIMOTO, YUUICHIRO
Exec Dt:
11/21/2008
3
IMADA, SHINICHI
Exec Dt:
11/21/2008
Assignee
1
SPANSION LLC
915 DEGUIGNE DRIVE
P.O. BOX 3453
SUNNYVALE, CALIFORNIA 94088-3453
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7781320
US20090269864
12253035
Correspondence name and address
MURABITO , HAO & BARNES
TWO NORTH MARKET STREET
THRID FLOOR
SAN JOSE, CA 95113
Assignment: 8
Reel/Frame:022624/0220   Pages: 3
Recorded: 05/01/2009
Attorney Dkt #:10059226US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
04/27/2009
2
TESHIMA, EIICHIRO
Exec Dt:
04/27/2009
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8282095
US20090243203
12412173
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 9
Reel/Frame:026297/0038   Pages: 3
Recorded: 05/18/2011
Attorney Dkt #:10090346US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TESHIMA, EIICHIRO
Exec Dt:
01/24/2011
2
YOKOYAMA, SEIJI
Exec Dt:
01/24/2011
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8571451
US20110193922
13020092
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 10
Reel/Frame:033916/0920   Pages: 3
Recorded: 10/09/2014
Attorney Dkt #:10131005US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SEIJI
Exec Dt:
05/29/2014
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9244418
US20140369702
14302266
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 11
Reel/Frame:035636/0123   Pages: 3
Recorded: 05/12/2015
Attorney Dkt #:10131587US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGASAKI, OSAMU
Exec Dt:
09/24/2014
2
MONDE, MASAFUMI
Exec Dt:
09/24/2014
3
SUGIYAMA, YUKI
Exec Dt:
09/24/2014
4
YOKOYAMA, SEIJI
Exec Dt:
09/29/2014
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9213280
US20150110513
14503701
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 12
Reel/Frame:034961/0951   Pages: 2
Recorded: 02/13/2015
Attorney Dkt #:11610-06500
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATSUDA, YOSHIHARU
Exec Dt:
11/18/2014
2
NARUOKA, SHOHEI
Exec Dt:
11/20/2014
3
ARIMA, HISATOYO
Exec Dt:
11/19/2014
4
YOKOYAMA, SEIJI
Exec Dt:
11/18/2014
Assignee
1
KAWASAKI JUKOGYO KABUSHIKI KAISHA
1-1, HIGASHIKAWASAKI-CHO 3-CHOME, CHUO-KU, KOBE-SHI
HYOGO, JAPAN 650-8670
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9951661
US20150114336
14592655
Correspondence name and address
JOSEPH W. PRICE
600 ANTON BOULEVARD, SUITE 1400
COSTA MESA, CA 92626
Assignment: 13
Reel/Frame:037866/0702   Pages: 3
Recorded: 03/01/2016
Attorney Dkt #:10141403US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAHASHI, GENKI
Exec Dt:
12/04/2015
2
SATO, KAZUHISA
Exec Dt:
12/04/2015
3
YOKOYAMA, SEIJI
Exec Dt:
12/04/2015
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9933743
US20160187830
14967681
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 14
Reel/Frame:038299/0275   Pages: 3
Recorded: 03/30/2016
Attorney Dkt #:10142486US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
01/25/2016
2
SATO, KAZUHISA
Exec Dt:
01/25/2016
3
TAKAHASHI, GENKI
Exec Dt:
01/25/2016
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9602690
US20160205279
14989940
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 15
Reel/Frame:045201/0859   Pages: 3
Recorded: 03/14/2018
Attorney Dkt #:4030-0657US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAMA, YASUTAKA
Exec Dt:
03/09/2018
2
YOKOYAMA, SEIJI
Exec Dt:
03/09/2018
Assignee
1
TOKYO ELECTRON LIMITED
3-1, AKASAKA 5-CHOME, MINATO-KU
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10297496
US20180269101
15920607
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH STREET, N.W.
SUITE 800
WASHINGTON, DC 20005
Assignment: 16
Reel/Frame:046222/0151   Pages: 3
Recorded: 06/27/2018
Attorney Dkt #:10171709US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SEIJI
Exec Dt:
04/09/2018
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10663905
US20180314200
15961662
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 17
Reel/Frame:046596/0636   Pages: 2
Recorded: 08/09/2018
Attorney Dkt #:182675
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
07/05/2018
2
NAGAMORI, HIROYASU
Exec Dt:
07/05/2018
Assignee
1
ZEON CORPORATION
6-2, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8246
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10793704
US20190040237
16076761
Correspondence name and address
JAMES A. OLIFF
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850
Assignment: 18
Reel/Frame:046513/0572   Pages: 3
Recorded: 07/31/2018
Attorney Dkt #:4030-0693US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
07/25/2018
2
HAMA, YASUTAKA
Exec Dt:
07/25/2018
Assignee
1
TOKYO ELECTRON LIMITED
3-1, AKASAKA 5-CHOME, MINATO-KU
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10998223
US20190043753
16050525
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH STREET, N.W.
SUITE 800
WASHINGTON, DC 20005
Assignment: 19
Reel/Frame:051694/0989   Pages: 3
Recorded: 02/02/2020
Attorney Dkt #:10192683US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SEIJI
Exec Dt:
10/25/2019
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10926971
NONE
16677499
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 20
Reel/Frame:052593/0905   Pages: 5
Recorded: 05/06/2020
Attorney Dkt #:4030-0786
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, SEIJI
Exec Dt:
10/28/2019
2
OKANO, TAICHI
Exec Dt:
10/29/2019
3
OIKAWA, SHO
Exec Dt:
11/06/2019
4
KAWASAKI, SHUNICHI
Exec Dt:
10/29/2019
5
NAGAIWA, TOSHIFUMI
Exec Dt:
10/25/2019
Assignee
1
TOKYO ELECTRON LIMITED
3-1 AKASAKA 5-CHOME, MINATO-KU
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11610766
US20200144034
16674401
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH STREET, N.W.
SUITE 800
WASHINGTON, DC 20005
Assignment: 21
Reel/Frame:051695/0007   Pages: 3
Recorded: 02/02/2020
Attorney Dkt #:10192754US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKABA, RYO
Exec Dt:
11/11/2019
2
YOKOYAMA, SEIJI
Exec Dt:
11/11/2019
3
TAKAHASHI, GENKI
Exec Dt:
11/11/2019
Assignee
1
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, JAPAN 146-8501
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11163254
NONE
16688959
Correspondence name and address
CANON KABUSHIKI KAISHA
30-2, SHIMOMARUKO 3-CHOME, OHTA-KU
TOKYO, 146-8501 JAPAN
Assignment: 22
Reel/Frame:051434/0092   Pages: 7
Recorded: 01/07/2020
Attorney Dkt #:19EL-031
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OIKAWA, SHO
Exec Dt:
12/25/2019
2
YOKOYAMA, SEIJI
Exec Dt:
01/06/2020
3
OKANO, TAICHI
Exec Dt:
12/26/2019
4
KAWASAKI, SHUNICHI
Exec Dt:
12/26/2019
Assignee
1
TOKYO ELECTRON LIMITED
3-1, AKASAKA 5-CHOME, MINATO-KU,
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11211229
US20200227241
16735858
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 23
Reel/Frame:051450/0699   Pages: 7
Recorded: 01/08/2020
Attorney Dkt #:19EL-032
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OIKAWA, SHO
Exec Dt:
12/25/2019
2
YOKOYAMA, SEIJI
Exec Dt:
01/06/2020
3
OKANO, TAICHI
Exec Dt:
12/26/2019
4
KAWASAKI, SHUNICHI
Exec Dt:
12/26/2019
Assignee
1
TOKYO ELECTRON LIMITED
3-1, AKASAKA 5-CHOME, MINATO-KU,
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11721595
US20200227326
16737168
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 24
Reel/Frame:059688/0287   Pages: 3
Recorded: 04/24/2022
Attorney Dkt #:NINO-018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NINOMIYA, KENICHI
Exec Dt:
03/04/2020
2
YOKOYAMA, SEIJI
Exec Dt:
03/04/2020
3
YUMIGETA, SHUNICHIRO
Exec Dt:
03/04/2020
Assignee
1
DOMANS, INC.
28-6, YOYOGI 3-CHOME, SHIBUYA-KU
TOKYO, JAPAN 1510053
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11372390
US20200174439
16634519
Correspondence name and address
T. CHYAU LIANG
6020 ANNAPOLIS STREET
HOUSTON, TX 77005

Search Results as of: 04/19/2024 03:07 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