Patent Assignment
Reel/Frame 006409/0424
Assignment of Assignors Interest.
Recorded: 1993-02-05
Pages: 2
Assignors
SUWANAI, NAOKATSU
Executed: 1991-10-24
MIYAZAWA, HIROYUKI
Executed: 1991-10-24
OGISHIMA, ATUSHI
Executed: 1991-10-24
NAGAO, MASAKI
Executed: 1991-10-24
ASAYAMA, KYOICHIRO
Executed: 1991-10-24
Assignee
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Semiconductor Memory Circuit Device and Method for Fabricating Same
Patent:
5,237,187 →
Application:
07/799,541 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 5, 1993
From: SOEDA, HIROKI
To: HITACHI, LTD.
Reel/Frame 006402/0396 →
Assignment of Assignors Interest.
Feb 5, 1993
From: UCHIYAMA, HIROYUKI; KANEKO, YOSHIYUKI; YONEOKA, TAKASHI; WATANAVE, KOZO
To: HITACHI, LTD.
Reel/Frame 006426/0076 →
Assignment of Assignor's Interest
Oct 19, 2006
From: HITACHI, LTD.
To: ELPIDA MEMORY, INC.
Reel/Frame 018420/0080 →
Assignment of Assignor's Interest
Aug 19, 2011
From: ELPIDA MEMORY, INC.
To: SEMICONDUCTOR PATENT CORPORATION
Reel/Frame 026779/0204 →
License
Nov 8, 2011
From: SEMICONDUCTOR PATENT CORPORATION
To: SEMICONDUCTOR TECHNOLOGIES LLC
Reel/Frame 027193/0103 →