skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
5041520
Issue Dt:
08/20/1991
Application #:
07371072
Filing Dt:
06/26/1989
Inventors:
MASAHIRO OHTA, SABURO KAWASHIMA, KATSUAKI IIYAMA, SHOJI TAMAI, HIDEAKI OIKAWA et al
Title:
PROCESS FOR PREPARING POLYIMIDE HAVING EXCELLENT HIGH TEMPERATURE STABILITY
Assignment: 1
Reel/Frame:
005096/0361Recorded: 06/26/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
OHTA, MASAHIRO
Exec Dt:
06/16/1989
KAWASHIMA, SABURO
Exec Dt:
06/16/1989
IIYAMA, KATSUAKI
Exec Dt:
06/16/1989
TAMAI, SHOJI
Exec Dt:
06/19/1989
OIKAWA, HIDEAKI
Exec Dt:
06/16/1989
YAMAGUCHI, AKIHIRO
Exec Dt:
06/19/1989
Assignee:
MITSUI TOATSU CHEMICALS, INC.,
NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU,
TOKYO, JAPAN
Correspondent:
BURNS, DOANE, SWECKER & MATHIS
GEORGE MASON BUILDING
WASHINGTON AND PRINCE STREETS
POST OFFICE BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 2
Reel/Frame:
009146/0377Recorded: 05/04/1998Pages: 22
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
MITSUI TOATSU CHEMICALS, INC.
Exec Dt:
12/19/1997
Assignee:
MITSUI CHEMICALS, INC.
2-5, KASUMIGASEKI 3-CHOME CHIYODA-KU
TOKYO, JAPAN
Correspondent:
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
ROBERT G. MUKAI
P.O. BOX 1404
ALEXANDRIA, VIRGINIA 22313-1404

Search Results as of: 05/04/2024 04:00 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT