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Patent Assignment Assignor Details
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Assignor Name : YOKOYAMA, ITARU
Total Assignments: 10
Assignment: 1
Reel/Frame:012578/0252   Pages: 3
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIBASHI, YOSHIAKI
Exec Dt:
01/16/2002
2
YOKOYAMA, ITARU
Exec Dt:
01/28/2002
3
SEKI, MASANOBU
Exec Dt:
01/22/2002
Assignees
1
KAWASAKI KASEI CHEMICALS LTD.
3-8-2, NIHONBASHI, CHUO-KU
TOKYO, JAPAN
2
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG. 3-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO 101-0005, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6638356
US20030150363
10067949
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
C. IRVIN MCCLELLAND
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 2
Reel/Frame:014747/0238   Pages: 4
Recorded: 04/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABE, YOSHINOBU
Exec Dt:
04/01/2003
2
NISHI, MICHIO
Exec Dt:
04/01/2003
3
YOKOYAMA, ITARU
Exec Dt:
04/01/2003
Assignees
1
OTSUKA KAGAKU KABUSHIKI KAISYA
2-27, OTEDORI 3-CHOME
CHUO-KU, OSAKA-SHI
OSAKA 540-0021, JAPAN
2
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME,
CHIYODA-KU, TOKYO 101-0005, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7604853
US20040101695
10398539
Correspondence name and address
LADDAS & PARRY
RICHARD J. STREIT
224 SOUTH MICHIGAN AVENUE
CHICAGO, IL 60604
Assignment: 3
Reel/Frame:020912/0074   Pages: 4
Recorded: 05/07/2008
Attorney Dkt #:CU-6732 RJS/NK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TADA, KATSUMI
Exec Dt:
05/01/2008
2
YAMAKATA, KOUJI
Exec Dt:
05/01/2008
3
YOKOYAMA, ITARU
Exec Dt:
05/01/2008
4
KATSUMOTO, KOJI
Exec Dt:
05/01/2008
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHINTOKYO BUILDING., 3-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100043344
12092853
Correspondence name and address
RICHARD J. STREIT
LADAS & PARRY, 224 SOUTH MICHIGAN AVE.
CHICAGO, IL 60604
Assignment: 4
Reel/Frame:025695/0466   Pages: 3
Recorded: 01/25/2011
Attorney Dkt #:20344.0001USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, ITARU
Exec Dt:
12/20/2010
2
KATSUMOTO, KOUJI
Exec Dt:
12/20/2010
3
KAWAMURA, YASUO
Exec Dt:
12/20/2010
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG.. 3-1, MARUNOUCHI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8529863
US20110135930
13055891
Correspondence name and address
DOUGLAS P. MUELLER
225 SOUTH SIXTH STREET, SUITE 2650
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:045671/0923   Pages: 3
Recorded: 04/30/2018
Attorney Dkt #:20344.0105USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, ITARU
Exec Dt:
03/07/2018
2
TANAKA, YOSHIKAZU
Exec Dt:
03/07/2018
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10654754
US20180319709
15772369
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402
Assignment: 6
Reel/Frame:046012/0843   Pages: 8
Recorded: 06/07/2018
Attorney Dkt #:18YS-002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIIMI, KATSUMI
Exec Dt:
05/15/2018
2
YOKOYAMA, ITARU
Exec Dt:
05/15/2018
3
UMEHARA, KAZUYUKI
Exec Dt:
05/15/2018
4
ATAKA, YUJI
Exec Dt:
05/15/2018
5
OHKI, KEIICHI
Exec Dt:
05/15/2018
6
YOSHIDA, SHINJI
Exec Dt:
05/15/2018
7
YAMATO, SABUROU
Exec Dt:
05/15/2018
8
NAKAGAKI, TADASHI
Exec Dt:
05/15/2018
9
TANIGUCHI, AYAKA
Exec Dt:
05/15/2018
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10968624
US20180355605
16060091
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 7
Reel/Frame:048892/0862   Pages: 7
Recorded: 04/16/2019
Attorney Dkt #:18YS-005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATANABE, KEN
Exec Dt:
02/27/2019
2
SHIMAZAKI, JUNETSU
Exec Dt:
03/12/2019
3
YOKOYAMA, ITARU
Exec Dt:
03/18/2019
4
SATO, YOSUKE
Exec Dt:
02/26/2019
5
KANEKO, TAKAO
Exec Dt:
03/05/2019
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190323234
16342266
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 8
Reel/Frame:049439/0722   Pages: 3
Recorded: 06/11/2019
Attorney Dkt #:20344.0120USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, ITARU
Exec Dt:
04/25/2019
2
WATANABE, KEN
Exec Dt:
04/02/2019
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME,
CHIYODA-KU
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200080320
16468561
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402
Assignment: 9
Reel/Frame:055619/0818   Pages: 8
Recorded: 03/17/2021
Attorney Dkt #:20YS-006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, ITARU
Exec Dt:
02/05/2021
2
SATO, YOSUKE
Exec Dt:
02/04/2021
3
FUJIKURA, DAICHI
Exec Dt:
01/29/2021
4
TOITA, HIDETOSHI
Exec Dt:
02/04/2021
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME, CHIYODA-KU,
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220112716
17276934
Correspondence name and address
IPUSA, P.L.L.C
1054 31ST STREET, N.W.
SUITE 400
WASHINGTON, DC 20007
Assignment: 10
Reel/Frame:065651/0221   Pages: 3
Recorded: 11/22/2023
Attorney Dkt #:20344.0120USI1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOKOYAMA, ITARU
Exec Dt:
09/20/2023
2
WATANABE, KEN
Exec Dt:
09/15/2023
Assignee
1
YOSHINO GYPSUM CO., LTD.
SHIN-TOKYO BLDG., 3-1, MARUNOUCHI 3-CHOME,
CHIYODA-KU
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240076868
18459980
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET
SUITE 2700
MINNEAPOLIS, MN 55402

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