IP Library Assignment 003878/0542
Patent Assignment
Reel/Frame 003878/0542

Assignment of Assignors Interest.

Recorded: 1981-04-09 Pages: 2
Assignors
MATSUBARA TETSUYUKI
Executed: 1981-03-23
ITO NORIFUMI
Executed: 1981-03-23
ISHIDA YUZURU
Executed: 1981-03-23
IWAMOTO MUNE
Executed: 1981-03-23
Assignee
TOYO ENGINEERING CORPORATION
NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU, A CORP. OF JAPAN, TOKYO, JAPAN
Covered Property (1)
Process for the Production of Styrene Polymers
Patent: 4,376,847 →
Application: 06/252,325 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger May 4, 1998
From: MITSUI TOATSU CHEMICALS, INC.
To: MITSUI CHEMICALS, INC.
Reel/Frame 009146/0377 →