Patent Assignment
Reel/Frame 005302/0255
Assignment of Assignors Interest.
Recorded: 1990-05-18
Pages: 2
Assignor
TOBITA, YOUICHI
Executed: 1990-02-07
Assignee
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3 MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Electrostatic Capacity Device in Semiconductor Memory Device, and Apparatus for and Method of Driving Sense Amplifier Using Electrostatic Capacity Device
Patent:
4,980,799 →
Application:
07/459,998 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 13, 2010
From: RENASAS ELECTRONICS CORPORATION
To: DRAM MEMTECH LLC
Reel/Frame 025358/0749 →
Assignment of Assignor's Interest
Jan 31, 2011
From: RENESAS ELECTRONICS CORPORATION
To: DRAM MEMTECH LLC
Reel/Frame 025723/0127 →
Assignment of Assignor's Interest
Mar 5, 2011
From: DRAM MEMTECH LLC
To: DRAM MEMORY TECHNOLOGIES LLC
Reel/Frame 025904/0828 →