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COLORADO SPRINGS, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self sealed aligned contact incorporating a dopant source
Patent number
5,216,281
Issue date
Jun 1, 1993
Ramtron Corporation
Douglas Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic semiconductor integrated circuit ferroelectric memory de...
Patent number
5,214,300
Issue date
May 25, 1993
Ramtron Corporation
George A. Rohrer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Series ferroelectric capacitor structure for monolithic integrated...
Patent number
5,206,788
Issue date
Apr 27, 1993
Ramtron Corporation
William Larson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reaction barrier for a multilayer structure in an integrated circuit
Patent number
5,170,242
Issue date
Dec 8, 1992
Ramtron Corporation
E. Henry Stevens
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stacked capacitor with sidewall insulation
Patent number
5,162,890
Issue date
Nov 10, 1992
Ramtron Corporation
Douglas B. Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Conducting electrode layers for ferroelectric capacitors in integra...
Patent number
5,142,437
Issue date
Aug 25, 1992
Ramtron Corporation
Lee Kammerdiner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current supply circuit for driving high capacitance load in an inte...
Patent number
5,134,310
Issue date
Jul 28, 1992
Ramtron Corporation
Kenneth J. Mobley
G11 - INFORMATION STORAGE
Information
Patent Grant
Reference generator for an integrated circuit
Patent number
5,117,177
Issue date
May 26, 1992
Ramtron Corporation
S. Sheffield Eaton
G05 - CONTROLLING REGULATING
Information
Patent Grant
DRAM memory cell and method of operation thereof for transferring i...
Patent number
5,109,357
Issue date
Apr 28, 1992
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for creating self-aligned, non-patterned contact areas and s...
Patent number
5,104,822
Issue date
Apr 14, 1992
Ramtron Corporation
Douglas B. Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench capacitor for large scale integrated memory
Patent number
5,075,817
Issue date
Dec 24, 1991
Ramtron Corporation
Douglas B. Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sealed self aligned contacts using two nitrides process
Patent number
5,043,790
Issue date
Aug 27, 1991
Ramtron Corporation
Douglas Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making ferroelectric memory devices
Patent number
5,024,964
Issue date
Jun 18, 1991
Ramtron Corporation
George A. Rohrer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multilayer electrodes for integrated circuit capacitors
Patent number
5,005,102
Issue date
Apr 2, 1991
Ramtron Corporation
William L. Larson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SRAM with programmable capacitance divider
Patent number
4,918,654
Issue date
Apr 17, 1990
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
One transistor memory cell with programmable capacitance divider
Patent number
4,914,627
Issue date
Apr 3, 1990
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Dram with programmable capacitance divider
Patent number
4,910,708
Issue date
Mar 20, 1990
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Ferroelectric retention method
Patent number
4,893,272
Issue date
Jan 9, 1990
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile memory cell and sensing method
Patent number
4,888,733
Issue date
Dec 19, 1989
Ramtron Corporation
Kenneth J. Mobley
G11 - INFORMATION STORAGE
Information
Patent Grant
Self restoring ferroelectric memory
Patent number
4,873,664
Issue date
Oct 10, 1989
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device and method of using a ferroelectric capacitance...
Patent number
4,853,893
Issue date
Aug 1, 1989
Ramtron Corporation
S. Sheffield Eaton
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell with volatile and non-volatile portions having ferroele...
Patent number
4,809,225
Issue date
Feb 28, 1989
Ramtron Corporation
Klaus Dimmler
G11 - INFORMATION STORAGE
Information
Patent Grant
Timepiece communication system
Patent number
4,800,543
Issue date
Jan 24, 1989
Ramtron Corporation
Ross Lyndon-James
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Combined integrated circuit/ferroelectric memory device, and ion be...
Patent number
4,713,157
Issue date
Dec 15, 1987
Ramtron Corporation
Larry McMillan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Monolithic semiconductor integrated circuit ferroelectric memory de...
Patent number
4,707,897
Issue date
Nov 24, 1987
Ramtron Corporation
George A. Rohrer
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73717269 - FIRST IN FERROELECTRONICS
Serial number
73717269
Filing date
Mar 14, 1988
RAMTRON CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73717270 - FRAM
Serial number
73717270
Registration number
1506977
Filing date
Mar 14, 1988
RAMTRON CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73644174 - RAMPAC
Serial number
73644174
Registration number
1489093
Filing date
Feb 11, 1987
RAMTRON CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments