Patent Assignment
Reel/Frame 012662/0005
Assignment of Assignor's Interest
Recorded: 2002-02-27
Pages: 2
Assignor
KOYANAGI, KENICHI
Executed: 2002-02-19
Assignees
NEC CORPORATION
7-1, SHIBA 5-CHOME, MINATO-KU, TOKYO, JAPAN
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Method of Appraising a Dielectric Film, Method of Calibrating Temperature of a Heat Treatment Device, and Method of Fabricating a Semiconductor Memory Device
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 4, 2003
From: NEC CORPORATION; HITACHI, LTD.
To: NEC CORPORATION; HITACHI, LTD.; NEC ELECTRONICS CORPORATION
Reel/Frame 013723/0990 →
Security Agreement
Jul 29, 2013
From: PS4 LUXCO S.A.R.L.
To: ELPIDA MEMORY INC.
Reel/Frame 032414/0261 →
Assignment of Assignor's Interest
May 15, 2014
From: ELPIDA MEMORY, INC.
To: PS4 LUXCO S.A.R.L.
Reel/Frame 032900/0568 →
Change of Name
Aug 24, 2016
From: PS5 LUXCO S.A.R.L.
To: LONGITUDE SEMICONDUCTOR S.A.R.L.
Reel/Frame 039793/0880 →
Assignment of Assignor's Interest
Aug 24, 2016
From: PS4 LUXCO S.A.R.L.
To: PS5 LUXCO S.A.R.L.
Reel/Frame 039818/0506 →
Assignment of Assignor's Interest
Aug 21, 2018
From: LONGITUDE SEMICONDUCTOR S.A.R.L.
To: LONGITUDE LICENSING LIMITED
Reel/Frame 046867/0248 →