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Patent Assignment Assignor Details
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Assignor Name : SEI, TSUYOSHI
Total Assignments: 6
Assignment: 1
Reel/Frame:004140/0569   Pages: 1
Recorded: 06/13/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAMIKOSHI, HAJIME
Exec Dt:
06/06/1983
2
OKUMURA, YOSHIAKI
Exec Dt:
06/06/1983
3
SEI, TSUYOSHI
Exec Dt:
06/06/1983
Assignee
1
DACEL CHEMICAL INDUSTRIES LTD.
1, TEPPO-CHO, SAAI-SHI
A CORP. OF JAPAN
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4443595
NONE
06503677
Correspondence name and address
HUBBELL, COHEN, STIEFEL & GROSS
551 FIFTH AVE.
NEW YORK, NY 10176
Assignment: 2
Reel/Frame:004676/0665   Pages: 1
Recorded: 03/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MATSUMOTO, TAKESHI
Exec Dt:
03/04/1987
2
SEI, TSUYOSHI
Exec Dt:
03/04/1987
Assignee
1
DAICEL CHEMICAL INDUSTRIES, LTD., 1-BANCHI, TEPPO-CHO, SAKAI-SHI, OSAKA, JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4753929
NONE
07024223
Correspondence name and address
FLYNN, THIEL, BOUTELL & TANIS
2026 RAMBLING ROAD
KALAMAZOO, MI 49008
Assignment: 3
Reel/Frame:004798/0579   Pages: 1
Recorded: 12/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KANNO, TATSUYA
Exec Dt:
11/20/1987
2
TAKAHASHI, IKUO
Exec Dt:
11/20/1987
3
SASAKI, KENICHI
Exec Dt:
11/20/1987
4
HABE, TSUYOSHI
Exec Dt:
11/20/1987
5
SEI, TSUYOSHI
Exec Dt:
11/20/1987
Assignee
1
DAICEL CHEMICAL INDUSTRIES, LTD., 1-BANCHI, TEPPO-CHO, SAKAI-SHI, OSAKA, JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4831110
NONE
07128497
Correspondence name and address
FLYNN, THIEL, BOUTELL & TANIS
2026 RAMBLING ROAD
KALAMAZOO, MI 49008
Assignment: 4
Reel/Frame:044451/0624   Pages: 5
Recorded: 12/20/2017
Attorney Dkt #:P171304US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SEI, TSUYOSHI
Exec Dt:
11/02/2017
Assignee
1
PURPOSE CO., LTD.
201, NISHIKASHIWABARASHINDEN
FUJI-SHI, SHIZUOKA, JAPAN 417-8505
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10655848
US20180231246
15848935
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LL
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182
Assignment: 5
Reel/Frame:051568/0987   Pages: 5
Recorded: 01/21/2020
Attorney Dkt #:P171304US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SEI, TSUYOSHI
Exec Dt:
11/02/2017
Assignee
1
PURPOSE CO., LTD.
201, NISHIKASHIWABARASHINDEN
FUJI-SHI, SHIZUOKA, JAPAN 417-8505
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11397003
NONE
16747851
Correspondence name and address
WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP
8500 LEESBURG PIKE
SUITE 7500
TYSONS, VA 22182
Assignment: 6
Reel/Frame:060275/0026   Pages: 5
Recorded: 06/22/2022
Attorney Dkt #:P171304US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SEI, TSUYOSHI
Exec Dt:
11/02/2017
Assignee
1
PURPOSE CO., LTD.
201, NISHIKASHIWABARASHINDEN,
FUJI-SHI, SHIZUOKA, JAPAN 417-8505
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220316702
17846404
Correspondence name and address
WHDA, LLP
8500 LEESBURG PIKE SUITE 7500
SUITE 7500
TYSONS, VA 22182

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