IP Library Assignment 014849/0876
Patent Assignment
Reel/Frame 014849/0876

Assignment of Assignor's Interest

Recorded: 2003-12-29 Pages: 3
Assignor
KOYAMA, YOSHINARI
Executed: 2002-03-27
Assignees
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, YOKOAMI 1-CHOME, SUMIDA-KU, TOKYO, JAPAN
PETROLEUM ENERGY CENTER, A JURIDICAL INCORPORATED FOUNDATION
3-9, TORANOMON 4-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property (1)
Process for Producing Polyarylene Sulfide and Apparatus Used Therein
Patent: 6,750,319 →
Application: 10/117,193 →
Publication: US 2002/0147299
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 20, 2004
From: IDEMITSU PETROCHEMICAL CO. LTD.
To: IDEMITSU KOSAN CO. LTD.
Reel/Frame 015478/0140 →