Patent Assignment
Reel/Frame 013974/0058
Assignment of Assignor's Interest
Recorded: 2003-04-18
Pages: 3
Assignor
MITSUBISHI CHEMICAL CORPORATION
Executed: 2003-04-10
Assignee
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU, TOKYO, 105-8518, JAPAN
Covered Properties
(6)
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 →
Method of Making a Magnetic Record Medium
Patent:
5,437,779 →
Application:
08/163,551 →
Magnetic Recording Medium and Method for Its Production
Patent:
5,492,745 →
Application:
08/194,636 →
Magnetic Recording Medium Substrate and Magnetic Recording Medium
Patent:
6,183,892 →
Application:
09/154,731 →
Magnetic recording medium and magnetic recording apparatus
Application:
09/749,473 →
Publication:
US 2001/0019786
Magnetic Recording Medium and Magnetic Recording Device
Patent:
6,607,848 →
Application:
09/807,983 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 21, 1990
From: MIYAMOTO, YUKIHIRO; YOKOYAMA, FUMIAKI
To: MITSUBISHI KASEI CORPORATION
Reel/Frame 005551/0224 →
Assignment of Assignor's Interest
Feb 9, 1994
From: SHIGE, TOMOO; MAKABE, YASUSHI; YOKOYAMA, MASATAKA
To: MITSUBISHI KASEI CORPORATION
Reel/Frame 006921/0236 →
Assignment of Assignor's Interest
Feb 10, 1994
From: FUMIAKI, YOKOYAMA
To: MITSUBISHI KASEI CORPORATION
Reel/Frame 006902/0986 →
Change of Name
Feb 8, 1995
From: MITSUBISHI KASEI CORPORATION
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 007332/0577 →
Assignment of Assignor's Interest
Dec 9, 1998
From: SAIKI, JUN; OKADA, HIDEO; MIYAMOTO, YUKIHIRO
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 009627/0407 →
Assignment of Assignor's Interest
Apr 2, 2001
From: IKEDA, HIROYUKI
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 011661/0769 →
Assignment of Assignor's Interest
Aug 29, 2001
From: OKA, MASAHIRO; KATAYAMA, SHINYA
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 012118/0174 →
Assignment of Assignor's Interest
Sep 2, 2004
From: ROCHE DIAGNOSTICS CORPORATION
To: ROCHE DIAGNOSTICS OPERATIONS, INC.
Reel/Frame 015215/0061 →