Patent Assignment
Reel/Frame 018281/0959
Assignment of Assignor's Interest
Recorded: 2006-09-20
Pages: 4
Assignor
HITACHI, LTD.
Executed: 2006-06-14
Assignee
ELPIDA MEMORY, INC.
2-1, YAESU 2-CHOME, CHUO-KU, TOKYO, JAPAN
Covered Property
(1)
Method of Fabricating a Semiconductor Device Having a Decreased Concentration of Phosphorus Impurities in Polysilicon
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 10, 2003
From: OGAWA, KAZUO; OHYU, KIYONORI; OKONOGI, KENSUKE; IMAMURA, TOSHIHIRO
To: ELPIDA MEMORY, INC.; HITACHI, LTD.
Reel/Frame 014480/0541 →
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 →