IP Library Assignment 008355/0772
Patent Assignment
Reel/Frame 008355/0772

Assignment of Assignor's Interest

Recorded: 1996-12-18 Pages: 2
Assignors
TOKUOKA, FUMIO
Executed: 1996-12-09
SHIMANUKI, KAZUHIKO
Executed: 1996-12-09
Assignee
TOSHIBA CERAMICS CO., LTD.
SHINJUKU-KU, 26-2, NISHI-SHINJUKU 1-CHOME, TOKYO, 163, JAPAN
Covered Property (1)
Treatment Apparatus for High-Precision Analysis of Impurities in Silicic Material
Patent: 5,849,597 →
Application: 08/769,128 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Sep 13, 2007
From: TOSHIBA CERAMICS CO., LTD.
To: COVALENT MATERIALS CORPORATION
Reel/Frame 019817/0749 →
Change of Name & Address Apr 11, 2016
From: COVALENT MATERIALS CORPORATION
To: COORSTEK KK
Reel/Frame 038399/0880 →