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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
5687090
Issue Dt:
11/11/1997
Application #:
08671082
Filing Dt:
06/27/1996
Inventors:
CHAU-CHYUN CHEN, MICHAEL BERRERA, GLEN KO, MARTINE OSIAS, SUNDARAM RAMAMATHAN et al
Title:
POLYMER COMPONENT CHARACTERIZATION METHOD AND PROCESS SIMULATION APPARATUS
Assignment: 1
Reel/Frame:
020339/0984Recorded: 01/10/2008Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
CHEN, CHAU-CHYUN
Exec Dt:
11/03/1994
BARRERA, MICHAEL
Exec Dt:
10/31/1994
KO, GLEN
Exec Dt:
11/03/1994
RAMAMATHAN, SUNDARAM
Exec Dt:
11/03/1994
OSIAS, MARTINE
Exec Dt:
11/03/1994
TREMBLAY, DAVID
Exec Dt:
11/03/1994
Assignee:
ASPEN TECHNOLOGY, INC.
200 WHEELER ROAD
BURLINGTON, MASSACHUSETTS 01803
Correspondent:
MARY LOU WAKIMURA, ESQ.
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
530 VIRGINIA ROAD, P.O. BOX 9133
CONCORD, MA 01742-9133
Assignment: 2
Reel/Frame:
035190/0794Recorded: 03/12/2015Pages: 6
Conveyance:
CERTIFICATE OF AMENDMENT/ADDRESS CHANGE
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
11/10/2014
Assignee:
ASPEN TECHNOLOGY, INC.
20 CROSBY DRIVE
BEDFORD, MASSACHUSETTS 01730
Correspondent:
MARY LOU WAKIMURA
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 3
Reel/Frame:
061006/0171Recorded: 07/29/2022Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
05/16/2022
Assignee:
ASPENTECH CORPORATION
20 CROSBY DRIVE
BEDFORD, MASSACHUSETTS 01730
Correspondent:
MARY LOU WAKIMURA
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
530 VIRGINIA ROAD, P.O. BOX 9133
CONCORD, MA 01742-9133

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