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Patent Assignment Assignor Details
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Assignor Name : IKEZAWA, YUKIO
Total Assignments: 23
Assignment: 1
Reel/Frame:004325/0194   Pages: 1
Recorded: 10/10/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
09/14/1984
2
YOSHINO, HISAKAZU
Exec Dt:
09/14/1984
Assignee
1
TOKYO KOGAKU KIKAI KABUSHIKI KAISHA
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4571842
NONE
06660423
Correspondence name and address
BROWDY AND NEIMARK
419 SEVENTH ST., N. W.
WASHINGTON, DC 20004
Assignment: 2
Reel/Frame:004566/0836   Pages: 1
Recorded: 05/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ALLARD, HENRI
Exec Dt:
04/15/1986
2
DRUMMOND, ROBERT
Exec Dt:
04/15/1986
3
VILLENEUVE, CHARLES P.
Exec Dt:
04/15/1986
4
IKEZAWA, YUKIO
Exec Dt:
04/15/1986
Assignee
1
TOKYO KOGAKU KIKAI KABUSHIKI KAISHA
75-1 HASUNUMA-CHO, ITABASHI-KU,
A CORP. OF JAPAN
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4730924
NONE
06835055
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 3
Reel/Frame:006521/0011   Pages: 2
Recorded: 03/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
03/15/1993
2
KOBAYASHI, SHINICHI
Exec Dt:
03/15/1993
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN 174
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5414505
NONE
08012599
Correspondence name and address
WILLIAM B. BUNKER
KNOBBE, MARTEN, OSLON & BEAR
SIXTEENTH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 4
Reel/Frame:008472/0843   Pages: 2
Recorded: 03/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IKEZAWA, YUKIO
Exec Dt:
03/07/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5917586
NONE
08823905
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 5
Reel/Frame:008819/0775   Pages: 2
Recorded: 09/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANAGI, EIICHI
Exec Dt:
08/28/1997
2
KOBAYASHI, SHINICHI
Exec Dt:
08/28/1997
3
IKEZAWA, YUKIO
Exec Dt:
08/28/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5867259
NONE
08922443
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW,
GARRETT & DUNNER, L.L.P.
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 6
Reel/Frame:008790/0404   Pages: 4
Recorded: 11/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUMA, YASUFUMI
Exec Dt:
09/17/1997
2
MATSUMOTO, KOUICHI
Exec Dt:
09/17/1997
3
IKEZAWA, YUKIO
Exec Dt:
09/17/1997
4
YANAGI,EIICHI
Exec Dt:
09/17/1997
5
KATO,TAKEYUKI
Exec Dt:
09/17/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO 174, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5973772
NONE
08913078
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 7
Reel/Frame:008828/0256   Pages: 3
Recorded: 09/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
09/17/1997
2
YANAGI, EIICHI
Exec Dt:
09/17/1997
3
FUKUMA, YASUFUMI
Exec Dt:
09/17/1997
4
KATO, TAKEYUKI
Exec Dt:
09/17/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5910836
NONE
08937184
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL.
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 8
Reel/Frame:009017/0033   Pages: 3
Recorded: 09/25/1997
Conveyance: SEE RECORDING AT REEL 9174, FRAME 0074 (RE-RECORDED TO CORRECT THE RECORDATION DATE.)
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
09/17/1997
2
YANAGI, EIICHI
Exec Dt:
09/17/1997
3
FUKUMA, YASUFUMI
Exec Dt:
09/17/1997
4
KATO, TAKEYUKI
Exec Dt:
09/17/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6061123
NONE
08937182
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005
Assignment: 9
Reel/Frame:009174/0074   Pages: 3
Recorded: 09/29/1997
Conveyance: (ASSIGNMENT OF ASSIGNOR'S INTEREST) RE-RECORD TO CORRECT THE RECORDATION DATE OF 09/25/97 TO 09/29/97 PREVIOUSLY RECORDED AT REEL 9017, FRAME 033.
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
09/17/1997
2
YANAGI, EIICHI
Exec Dt:
09/17/1997
3
FUKUMA, YASUFUMI
Exec Dt:
09/17/1997
4
KATO, TAKEYUKI
Exec Dt:
09/17/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6061123
NONE
08937182
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL.
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 10
Reel/Frame:008950/0571   Pages: 2
Recorded: 12/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANAGI, EIICHI
Exec Dt:
11/26/1997
2
IKEZAWA, YUKIO
Exec Dt:
11/26/1997
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5896194
NONE
08993312
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW,
GARRETT & DUNNER, L.L.P.
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 11
Reel/Frame:009283/0512   Pages: 2
Recorded: 06/18/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUMA, YASUFUMI
Exec Dt:
02/20/1998
2
IKEZAWA, YUKIO
Exec Dt:
02/20/1998
3
KATO, TAKEYUKI
Exec Dt:
02/20/1998
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5971537
NONE
09016806
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL
ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 12
Reel/Frame:010612/0271   Pages: 3
Recorded: 02/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
09/01/1999
2
KATO, TAKEYUKI
Exec Dt:
09/01/1999
3
YANAGI, EIICHI
Exec Dt:
09/01/1999
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO 174-0052, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6359684
US20010001572
09381294
Correspondence name and address
OBLON, SPIVAK, MCCELLAND, ET AL.
MARVIN J. SPIVAK
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 13
Reel/Frame:010528/0025   Pages: 3
Recorded: 01/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKEZAWA, YUKIO
Exec Dt:
10/13/1999
2
YANAGI, EIICHI
Exec Dt:
10/13/1999
3
KATO, TAKEYUKI
Exec Dt:
10/13/1999
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO 174-0052, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6145989
NONE
09402480
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL
C. IRVIN MCCLELLAND
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 14
Reel/Frame:011479/0112   Pages: 3
Recorded: 01/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAHASHI, TAKASHI
Exec Dt:
12/06/2000
2
IKEZAWA, YUKIO
Exec Dt:
12/06/2000
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO 174-0052, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6555608
US20010009943
09766401
Correspondence name and address
CHAPMAN & CUTLER
ROBERT J. SCHNEIDER
11 WEST MONROE STREET
CHICAGO, IL 60603
Assignment: 15
Reel/Frame:015836/0406   Pages: 3
Recorded: 05/13/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUMA, YASUFUMI
Exec Dt:
05/12/2004
2
NISHIO, KOHJI
Exec Dt:
05/12/2004
3
HAYASHI, TAKEFUMI
Exec Dt:
05/12/2004
4
YANAGI, EIICHI
Exec Dt:
05/12/2004
5
NAGAI, NORIYUKI
Exec Dt:
05/12/2004
6
KATO, YASUO
Exec Dt:
05/12/2004
7
IKEZAWA, YUKIO
Exec Dt:
05/12/2004
8
HAYAFUJI, MINEKI
Exec Dt:
05/12/2004
9
OKAMOTO, TADASHI
Exec Dt:
05/12/2004
10
HAYASHI, MASAKAZU
Exec Dt:
05/12/2004
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1, HASUNUMA-CHO, ITABASHI-KU
TOKYO 174-0052, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7341349
US20050012896
10495467
Correspondence name and address
CHAPMAN AND CUTLER LLP
ROBERT J. SCHNEIDER
111 WEST MONROE STREET, 16TH FLOOR
CHICAGO, IL 60603
Assignment: 16
Reel/Frame:016650/0944   Pages: 3
Recorded: 05/24/2005
Attorney Dkt #:050315
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IKEZAWA, YUKIO
Exec Dt:
05/18/2005
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1 HASUNUMA-CHO, ITABASHI-KU
TOKYO 174-8580, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7458686
US20050264760
11135349
Correspondence name and address
ARMSTRONG, KRATZ, QUINTOS, HANSON & BROO
1725 K STREET, NW
SUITE 1000
WASHINGTON, DC 20006
Assignment: 17
Reel/Frame:017454/0680   Pages: 3
Recorded: 01/10/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IKEZAWA, YUKIO
Exec Dt:
12/20/2005
Assignee
1
KABUSHIKI KAISHA TOPCON
75-1 HASUNUMA-CHO
ITABASHI-KU, TOKYO 174-8580, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060164599
11328218
Correspondence name and address
ARMSTRONG, KRATZ, QUINTOS, HANSON & BROO
1725 K STREET, NW
SUITE 1000
WASHINGTON, DC 20006
Assignment: 18
Reel/Frame:031031/0778   Pages: 2
Recorded: 08/02/2013
Attorney Dkt #:157345
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AOKI, ATSUHITO
Exec Dt:
07/12/2013
2
TAKEICHI, MASATSUGU
Exec Dt:
07/12/2013
3
SETO, MASARU
Exec Dt:
07/12/2013
4
IKEZAWA, YUKIO
Exec Dt:
07/12/2013
Assignee
1
KAWASAKI JUKOGYO KABUSHIKI KAISHA
1-1, HIGASHIKAWASAKI-CHO
3-CHOME, CHUO-KU, KOBE-SHI
HYOGO 650-8670, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9468987
US20130299475
13881096
Correspondence name and address
JAMES A. OLIFF
OLIFF & BERRIDGE, PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850
Assignment: 19
Reel/Frame:040140/0243   Pages: 3
Recorded: 10/26/2016
Attorney Dkt #:478679US20
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKURADA, TOMOHIRO
Exec Dt:
10/19/2016
2
IKEZAWA, YUKIO
Exec Dt:
10/19/2016
Assignee
1
TOPCON CORPORATION
75-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN 174-8580
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9888847
US20170127942
15334817
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 20
Reel/Frame:040493/0635   Pages: 4
Recorded: 12/02/2016
Attorney Dkt #:172986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ITO, CHIAKI
Exec Dt:
10/19/2016
2
YONEMOTO, SHINGO
Exec Dt:
10/25/2016
3
KOZUKI, TAKANORI
Exec Dt:
10/19/2016
4
IKEZAWA, YUKIO
Exec Dt:
11/18/2016
5
AKAMATSU, MASAHIKO
Exec Dt:
10/14/2016
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 #
 
 
 
 
 
 
 
 
 
 
 
10166621
US20170008113
15125711
Correspondence name and address
JAMES A. OLIFF
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850
Assignment: 21
Reel/Frame:040956/0514   Pages: 3
Recorded: 01/12/2017
Attorney Dkt #:500183US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKURADA, TOMOHIRO
Exec Dt:
01/05/2017
2
IKEZAWA, YUKIO
Exec Dt:
01/05/2017
Assignee
1
TOPCON CORPORATION
75-1, HASUNUMA-CHO
ITABASHI-KU, TOKYO, JAPAN 174-8580
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11026572
US20170215723
15404552
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 22
Reel/Frame:050393/0413   Pages: 4
Recorded: 09/16/2019
Attorney Dkt #:188242
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKAMATSU, MASAHIKO
Exec Dt:
07/10/2019
2
YONEMOTO, SHINGO
Exec Dt:
07/10/2019
3
KOZUKI, TAKANORI
Exec Dt:
07/10/2019
4
HIBINO, SHINYA
Exec Dt:
08/07/2019
5
IKEZAWA, YUKIO
Exec Dt:
08/07/2019
6
NIIMI, KENICHIRO
Exec Dt:
08/02/2019
7
ARAO, AKITSUGU
Exec Dt:
07/10/2019
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 #
 
 
 
 
 
 
 
 
 
 
 
11292070
US20190351498
16469708
Correspondence name and address
JAMES A. OLIFF
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850
Assignment: 23
Reel/Frame:050393/0543   Pages: 4
Recorded: 09/16/2019
Attorney Dkt #:187243
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKAMATSU, MASAHIKO
Exec Dt:
07/10/2019
2
YONEMOTO, SHINGO
Exec Dt:
07/10/2019
3
KOZUKI, TAKANORI
Exec Dt:
07/10/2019
4
HIBINO, SHINYA
Exec Dt:
08/07/2019
5
IKEZAWA, YUKIO
Exec Dt:
08/07/2019
6
NIIMI, KENICHIRO
Exec Dt:
08/02/2019
7
ARAO, AKITSUGU
Exec Dt:
07/10/2019
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 #
 
 
 
 
 
 
 
 
 
 
 
11292073
US20200086415
16469736
Correspondence name and address
JAMES A. OLIFF
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850

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