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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:032894/0588   Pages: 126
Recorded: 05/15/2014
Attorney Dkt #:ELPIDA TO PS4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 25
1
Patent #:
6191987
Issue Dt:
02/20/2001
Application #:
09490249
Filing Dt:
01/24/2000
Title:
Semiconductor memory test circuit
2
Patent #:
6233187
Issue Dt:
05/15/2001
Application #:
09490597
Filing Dt:
01/25/2000
Title:
Semiconductor memory device
3
Patent #:
6278652
Issue Dt:
08/21/2001
Application #:
09617554
Filing Dt:
07/17/2000
Title:
Input initial stage circuit for semiconductor memory
4
Patent #:
6452844
Issue Dt:
09/17/2002
Application #:
09739490
Filing Dt:
12/18/2000
Publication #:
US20010005014
Pub Dt:
06/28/2001
Title:
SEMICONDUCTOR STORAGE DEVICE HAVING REDUNDANCY CIRCUIT FOR REPLACEMENT OF DEFECT CELLS UNDER TESTS
5
Patent #:
6781172
Issue Dt:
08/24/2004
Application #:
09800493
Filing Dt:
03/08/2001
Publication #:
US20010050389
Pub Dt:
12/13/2001
Title:
SEMICONDUCTOR DEVICE WITH ADHESION-IMPROVEMENT CAPACITOR AND PROCESS FOR PRODUCING THE DEVICE
6
Patent #:
6385104
Issue Dt:
05/07/2002
Application #:
09839504
Filing Dt:
04/20/2001
Publication #:
US20010033519
Pub Dt:
10/25/2001
Title:
SEMICONDUCTOR MEMORY DEVICE HAVING A TEST MODE DECISION CIRCUIT
7
Patent #:
6636448
Issue Dt:
10/21/2003
Application #:
09867057
Filing Dt:
05/29/2001
Publication #:
US20010050870
Pub Dt:
12/13/2001
Title:
SEMICONDUCTOR MEMORY DEVICE HAVING FEWER MEMORY CELL PLATES BEING ACTIVATED IN A TEST MODE THAN IN A NORMAL MODE
8
Patent #:
6399453
Issue Dt:
06/04/2002
Application #:
09891381
Filing Dt:
06/27/2001
Publication #:
US20010054725
Pub Dt:
12/27/2001
Title:
PROCESS OF MANUFACTURING SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING AN AMORPHOUS SILICON GATE
9
Patent #:
6525575
Issue Dt:
02/25/2003
Application #:
09892068
Filing Dt:
06/25/2001
Publication #:
US20020021151
Pub Dt:
02/21/2002
Title:
OUTPUT BUFFER CIRCUIT
10
Patent #:
6506674
Issue Dt:
01/14/2003
Application #:
09964628
Filing Dt:
09/28/2001
Publication #:
US20020039843
Pub Dt:
04/04/2002
Title:
METHOD OF MANUFACTURING A SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
11
Patent #:
6515921
Issue Dt:
02/04/2003
Application #:
10128015
Filing Dt:
04/23/2002
Publication #:
US20020122343
Pub Dt:
09/05/2002
Title:
SEMICONDUCTOR STORAGE DEVICE HAVING REDUNDANCY CIRCUIT FOR REPLACEMENT OF DEFECT CELLS UNDER TESTS
12
Patent #:
6853213
Issue Dt:
02/08/2005
Application #:
10279817
Filing Dt:
10/25/2002
Publication #:
US20030080774
Pub Dt:
05/01/2003
Title:
INPUT/OUTPUT CIRCUIT, REFERENCE-VOLTAGE GENERATING CIRCUIT, AND SEMICONDUCTOR INTEGRATED CIRCUIT
13
Patent #:
6897684
Issue Dt:
05/24/2005
Application #:
10379200
Filing Dt:
03/04/2003
Publication #:
US20030169076
Pub Dt:
09/11/2003
Title:
INPUT BUFFER CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE
14
Patent #:
7151713
Issue Dt:
12/19/2006
Application #:
10445522
Filing Dt:
05/27/2003
Publication #:
US20030226064
Pub Dt:
12/04/2003
Title:
SEMICONDUCTOR MEMORY DEVICE
15
Patent #:
6999889
Issue Dt:
02/14/2006
Application #:
10758527
Filing Dt:
01/16/2004
Publication #:
US20040148123
Pub Dt:
07/29/2004
Title:
SEMICONDUCTOR DEVICE HAVING A TEST CIRCUIT FOR TESTING AN OUTPUT CIRCUIT
16
Patent #:
6930935
Issue Dt:
08/16/2005
Application #:
10770422
Filing Dt:
02/04/2004
Publication #:
US20040205428
Pub Dt:
10/14/2004
Title:
REDUNDANCY CIRCUIT AND SEMICONDUCTOR DEVICE USING THE SAME
17
Patent #:
7240253
Issue Dt:
07/03/2007
Application #:
10817860
Filing Dt:
04/06/2004
Publication #:
US20040205429
Pub Dt:
10/14/2004
Title:
SEMICONDUCTOR STORAGE DEVICE
18
Patent #:
7016227
Issue Dt:
03/21/2006
Application #:
10921214
Filing Dt:
08/19/2004
Publication #:
US20050041470
Pub Dt:
02/24/2005
Title:
NONVOLATILE RANDOM ACCESS MEMORY AND METHOD OF FABRICATING THE SAME
19
Patent #:
6927439
Issue Dt:
08/09/2005
Application #:
10923002
Filing Dt:
08/23/2004
Publication #:
US20050024811
Pub Dt:
02/03/2005
Title:
SEMICONDUCTOR MEMORY WITH STRONGLY ADHESIVE ELECTRODE
20
Patent #:
7038498
Issue Dt:
05/02/2006
Application #:
11000005
Filing Dt:
12/01/2004
Publication #:
US20050077953
Pub Dt:
04/14/2005
Title:
INPUT/OUTPUT CIRCUIT, REFERENCE-VOLTAGE GENERATING CIRCUIT, AND SEMICONDUCTOR INTEGRATED CIRCUIT
21
Patent #:
7050920
Issue Dt:
05/23/2006
Application #:
11260233
Filing Dt:
10/28/2005
Publication #:
US20060064272
Pub Dt:
03/23/2006
Title:
SEMICONDUCTOR DEVICE HAVING A TEST CIRCUIT FOR TESTING AN OUTPUT CIRCUIT
22
Patent #:
7414914
Issue Dt:
08/19/2008
Application #:
11584899
Filing Dt:
10/23/2006
Publication #:
US20070058476
Pub Dt:
03/15/2007
Title:
SEMICONDUCTOR MEMORY DEVICE
23
Patent #:
RE43539
Issue Dt:
07/24/2012
Application #:
11798773
Filing Dt:
05/16/2007
Title:
OUTPUT BUFFER CIRUCIT AND INTEGRATED SEMICONDUCTOR CIRCUIT DEVICE WITH SUCH OUTPUT BUFFER CIRCUIT
24
Patent #:
7573778
Issue Dt:
08/11/2009
Application #:
12173124
Filing Dt:
07/15/2008
Publication #:
US20090021993
Pub Dt:
01/22/2009
Title:
SEMICONDUCTOR MEMORY DEVICE
25
Patent #:
8040751
Issue Dt:
10/18/2011
Application #:
12493448
Filing Dt:
06/29/2009
Publication #:
US20090262590
Pub Dt:
10/22/2009
Title:
SEMICONDUCTOR MEMORY DEVICE
Assignor
1
ELPIDA MEMORY, INC.
Exec Dt:
07/26/2013
Assignee
1
PS4 LUXCO S.A.R.L.
208, VAL DES BONS MALADES
LUXEMBOURG, LUXEMBOURG L-2121
Correspondence name and address
CONVERSANT INTELLECTUAL PROPERTY MGMT
5700 GRANITE PARKWAY
SUITE 960
PLANO, TX 75024

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