IP Library Assignment 005551/0224
Patent Assignment
Reel/Frame 005551/0224

Assignment of Assignors Interest.

Recorded: 1990-12-21 Pages: 3
Assignors
MIYAMOTO, YUKIHIRO
Executed: 1990-12-06
YOKOYAMA, FUMIAKI
Executed: 1990-12-06
Assignee
MITSUBISHI KASEI CORPORATION
5-2, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property (1)
Longitudinal Magnetic Recording Medium Comprising a Circumferentially Textured Disk Substrate, Chromium Primer Layer and a Cobalt Chromium Magnetic Alloy Layer Having a Segregation Structure
Patent: 5,352,501 →
Application: 07/631,904 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 8, 1995
From: MITSUBISHI KASEI CORPORATION
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 007332/0577 →
Assignment of Assignor's Interest Apr 18, 2003
From: MITSUBISHI CHEMICAL CORPORATION
To: SHOWA DENKO K.K.
Reel/Frame 013974/0058 →