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Patent Assignment Assignor Details
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Assignor Name : KUMAGAI, TOMOHIRO
Total Assignments: 20
Assignment: 1
Reel/Frame:006077/0010   Pages: 3
Recorded: 04/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KUMAGAI, TOMOHIRO
Exec Dt:
12/10/1991
2
HASEGAWA, AKIRA
Exec Dt:
12/10/1991
Assignee
1
GC DENTAL PRODUCTS CORP.
NO. 285, TORIIMATSUCHO 2-CHOME
KASUGAI-SHI, AICHI-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5250641
NONE
07863416
Correspondence name and address
NORMAN F. OBLON
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
1755 JEFFERSON DAVIS HWY., 4TH FLR.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:008003/0929   Pages: 3
Recorded: 06/26/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UENO, TAKAYUKI
Exec Dt:
02/21/1996
2
KUMAGAI, TOMOHIRO
Exec Dt:
02/21/1996
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5770638
NONE
08622384
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
NORMON F. OBLON
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:011431/0290   Pages: 3
Recorded: 01/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKUMA, TETSURO
Exec Dt:
07/15/1999
2
KATSU, MAKOTO
Exec Dt:
07/15/1999
3
UENO, TAKAYUKI
Exec Dt:
07/15/1999
4
NAKAGAKI, NORIKAZU
Exec Dt:
07/15/1999
5
KUMAGAI, TOMOHIRO
Exec Dt:
07/15/1999
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6221931
NONE
09375508
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
JOSEPH A. SCAFETTA, JR.
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 4
Reel/Frame:012405/0018   Pages: 3
Recorded: 12/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAYAMA, MIZUKI
Exec Dt:
07/06/2001
2
KUMAGAI, TOMOHIRO
Exec Dt:
07/06/2001
3
SEKIGUCHI, TOSHIHIRO
Exec Dt:
07/06/2001
Assignee
1
GC CORPORATION
NO.76-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6642286
US20020058727
09948776
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL
NORMAN F. OBLON
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 5
Reel/Frame:012371/0986   Pages: 3
Recorded: 12/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOBAYASHI, KENICHI
Exec Dt:
07/09/2001
2
KUMAGAI, TOMOHIRO
Exec Dt:
07/09/2001
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6576711
US20020061937
09948775
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 6
Reel/Frame:012371/0696   Pages: 3
Recorded: 12/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHINOZAKI, YUTAKA
Exec Dt:
07/24/2001
2
KUMAGAI, TOMOHIRO
Exec Dt:
07/24/2001
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6506815
US20020065338
09948663
Correspondence name and address
OBLON SPIVAK ET AL
1755 J. DAVIS HWY.
ARLINGTON VA 22202
Assignment: 7
Reel/Frame:013568/0067   Pages: 3
Recorded: 12/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUSHIMA, SHOICHI
Exec Dt:
07/09/2002
2
KUMAGAI, TOMOHIRO
Exec Dt:
07/09/2002
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6818679
US20030060534
10246534
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL.
NORMAN F. OBLON
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:014197/0020   Pages: 3
Recorded: 06/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAYAMA, MIZUKI
Exec Dt:
08/21/2002
2
KUMAGAI, TOMOHIRO
Exec Dt:
08/21/2002
Assignee
1
GC CORPORATION
NO.76-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6784224
US20040068041
10263843
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:013666/0723   Pages: 3
Recorded: 01/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHINOZAKI, YUTAKA
Exec Dt:
11/07/2002
2
KUMAGAI, TOMOHIRO
Exec Dt:
11/07/2002
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030091959
10272829
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:014068/0307   Pages: 3
Recorded: 05/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMAGAI, TOMOHIRO
Exec Dt:
02/10/2003
2
FUSEJIMA, FUTOSHI
Exec Dt:
02/10/2003
3
TAKADA, MITSUAKI
Exec Dt:
02/10/2003
4
KOBAYASHI, AIICHI
Exec Dt:
02/10/2003
5
YAMAGUCHI, KAORU
Exec Dt:
02/10/2003
Assignee
1
GC CORPORATION
76-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040152038
10365440
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:015674/0639   Pages: 3
Recorded: 08/11/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKABAYASHI, NOBUO
Exec Dt:
09/01/2003
2
MIYANO, TATSUNOSUKE
Exec Dt:
09/01/2003
3
KUMAGAI, TOMOHIRO
Exec Dt:
09/01/2003
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040122128
10732520
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
ROLAND E. MARTIN
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:020757/0021   Pages: 3
Recorded: 04/04/2008
Attorney Dkt #:324633US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSAKA, YUGO
Exec Dt:
12/27/2007
2
SHINOZAKI, YUTAKA
Exec Dt:
12/27/2007
3
KUMAGAI, TOMOHIRO
Exec Dt:
12/27/2007
Assignee
1
GC CORPORATION
NO. 76-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8367745
US20080242756
12058090
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:027696/0446   Pages: 4
Recorded: 02/13/2012
Attorney Dkt #:374628-000533
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KUMAGAI, TOMOHIRO
Exec Dt:
01/27/2012
Assignee
1
SEIKO EPSON CORPORATION
4-1, NISHI-SHINJUKU 2-CHOME, SHINJUKU-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120206541
13372289
Correspondence name and address
DLA PIPER US LLP
2000 AVENUE OF THE STARS
SUITE 400 NORTH TOWER
LOS ANGELES, CA 90067-4704
Assignment: 14
Reel/Frame:029425/0118   Pages: 4
Recorded: 12/07/2012
Attorney Dkt #:407029US99XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINAKUCHI, SHUNSUKE
Exec Dt:
10/18/2012
2
KANAZAWA, MANABU
Exec Dt:
10/17/2012
3
NAKAYAMA, MIZUKI
Exec Dt:
10/18/2012
4
KUMAGAI, TOMOHIRO
Exec Dt:
10/18/2012
Assignees
1
GC CORPORATION
3-2-14 HONGO, BUNKYO-KU
TOKYO, JAPAN 1130033
2
NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
5-45, YUSHIMA 1-CHOME, BUNKYO-KU
TOKYO, JAPAN 1138510
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130101778
13695512
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:037690/0997   Pages: 2
Recorded: 02/09/2016
Attorney Dkt #:CU-72684 TNJ/SL
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHII, TAKAYUKI
Exec Dt:
01/29/2016
2
KAMOHARA, HIROSHI
Exec Dt:
01/29/2016
3
KUMAGAI, TOMOHIRO
Exec Dt:
01/29/2016
Assignee
1
GC CORPORATION
3-2-14, HONGO, BUNKYO-KU
TOKYO, JAPAN 113-0033
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10039623
US20160184060
14910927
Correspondence name and address
RICHARD J. STREIT
LADAS & PARRY, 224 SOUTH MICHIGAN AVE.
CHICAGO, IL 60604
Assignment: 16
Reel/Frame:039456/0478   Pages: 2
Recorded: 08/16/2016
Attorney Dkt #:CU-72904-2 LKT/CS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHII, TAKAYUKI
Exec Dt:
08/10/2016
2
KUMAGAI, TOMOHIRO
Exec Dt:
08/10/2016
Assignee
1
GC CORPORATION
3-2-14, HONGO, BUNKYO-KU
TOKYO, JAPAN 113-0033
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170007381
15119248
Correspondence name and address
RICHARD J. STREIT
LADAS & PARRY, 224 SOUTH MICHIGAN AVE.
CHICAGO, IL 60604
Assignment: 17
Reel/Frame:040397/0985   Pages: 2
Recorded: 11/22/2016
Attorney Dkt #:CU-73030 TNJ/CS-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHII, TAKAYUKI
Exec Dt:
10/31/2016
2
KUMAGAI, TOMOHIRO
Exec Dt:
10/31/2016
Assignee
1
GC CORPORATION
3-2-14, HONGO, BUNKYO-KU
TOKYO, JAPAN 113-0033
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170189145
15313112
Correspondence name and address
RICHARD J. STREIT
LADAS & PARRY, 224 SOUTH MICHIGAN AVE.
CHICAGO, IL 60604
Assignment: 18
Reel/Frame:043993/0740   Pages: 3
Recorded: 10/31/2017
Attorney Dkt #:9319S-005462-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOTA, MASATO
Exec Dt:
09/29/2017
2
KUMAGAI, TOMOHIRO
Exec Dt:
09/19/2017
3
KOTANI, NORIAKI
Exec Dt:
09/20/2017
Assignee
1
SEIKO EPSON CORPORATION
1-6, SHINJUKU 4-CHOME
SHINJUKU-KU
TOKYO, JAPAN 160-8801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180117767
15799008
Correspondence name and address
HARNESS, DICKEY & PIERCE, P.L.C.
P.O. BOX 828
BRYANT E. WADE
BLOOMFIELD HILLS, MI 48303
Assignment: 19
Reel/Frame:046862/0782   Pages: 6
Recorded: 09/13/2018
Attorney Dkt #:18GC-007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
USUKI, DAISUKE
Exec Dt:
08/09/2018
2
NIIZEKI, NAOFUMI
Exec Dt:
08/09/2018
3
KUMAGAI, TOMOHIRO
Exec Dt:
08/09/2018
Assignee
1
GC CORPORATION
584-1, NAKAHINATA, OYAMA-CHO, SUNTO-GUN,
SHIZUOKA, JAPAN 410-1307
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10744071
US20190076336
16084631
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 20
Reel/Frame:060474/0366   Pages: 3
Recorded: 07/11/2022
Attorney Dkt #:2020-0624A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UCHIDA, JUN
Exec Dt:
03/25/2020
2
KUMAGAI, TOMOHIRO
Exec Dt:
03/25/2020
3
HIRATSUKA, KEN
Exec Dt:
03/25/2020
Assignee
1
SHOFU INC.
11 FUKUINE-KAMITAKAMATSU-CHO,
HIGASHIYAMA-KU, KYOTO-SHI,
KYOTO, JAPAN 605-0983
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11478408
US20210000698
16829226
Correspondence name and address
WENDEROTH, LIND & PONACK, L.L.P.
1025 CONNECTICUT AVENUE NW
SUITE 500
WASHINGTON, DC 20036

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