Assignee
RAMTRON CORP
US25 patents
Top patents by PatentIndex Score
US4888733ADec 19, 1989
Non-volatile memory cell and sensing method
RAMTRON CORP197 citations99
US5005102AApr 2, 1991
Multilayer electrodes for integrated circuit capacitors
RAMTRON CORP198 citations98
US4873664AOct 10, 1989
Self restoring ferroelectric memory
RAMTRON CORP300 citations98
US4853893AAug 1, 1989
Data storage device and method of using a ferroelectric capacitance divider
RAMTRON CORP204 citations98
US4914627AApr 3, 1990
One transistor memory cell with programmable capacitance divider
RAMTRON CORP60 citations95
US4800543AJan 24, 1989
Timepiece communication system
RAMTRON CORP164 citations95
US5206788AApr 27, 1993
Series ferroelectric capacitor structure for monolithic integrated circuits and method
RAMTRON CORP140 citations94
US4893272AJan 9, 1990
Ferroelectric retention method
RAMTRON CORP63 citations94
US4809225AFeb 28, 1989
Memory cell with volatile and non-volatile portions having ferroelectric capacitors
RAMTRON CORP257 citations94
US5170242ADec 8, 1992
Reaction barrier for a multilayer structure in an integrated circuit
RAMTRON CORP42 citations92
US5162890ANov 10, 1992
Stacked capacitor with sidewall insulation
RAMTRON CORP30 citations92
US5109357AApr 28, 1992
DRAM memory cell and method of operation thereof for transferring increased amount of charge to a bit line
RAMTRON CORP28 citations92
US5104822AApr 14, 1992
Method for creating self-aligned, non-patterned contact areas and stacked capacitors using the method
RAMTRON CORP31 citations92
US4918654AApr 17, 1990
SRAM with programmable capacitance divider
RAMTRON CORP41 citations92
US4910708AMar 20, 1990
Dram with programmable capacitance divider
RAMTRON CORP40 citations92
US5142437AAug 25, 1992
Conducting electrode layers for ferroelectric capacitors in integrated circuits and method
RAMTRON CORP86 citations90
US5214300AMay 25, 1993
Monolithic semiconductor integrated circuit ferroelectric memory device
RAMTRON CORP30 citations89
US5043790AAug 27, 1991
Sealed self aligned contacts using two nitrides process
RAMTRON CORP44 citations89
US4707897ANov 24, 1987
Monolithic semiconductor integrated circuit ferroelectric memory device, and methods of fabricating and utilizing same
RAMTRON CORP45 citations89
US5024964AJun 18, 1991
Method of making ferroelectric memory devices
RAMTRON CORP31 citations85
US4713157ADec 15, 1987
Combined integrated circuit/ferroelectric memory device, and ion beam methods of constructing same
RAMTRON CORP20 citations75
US5134310AJul 28, 1992
Current supply circuit for driving high capacitance load in an integrated circuit
RAMTRON CORP15 citations73
US5117177AMay 26, 1992
Reference generator for an integrated circuit
RAMTRON CORP19 citations73
US5075817ADec 24, 1991
Trench capacitor for large scale integrated memory
RAMTRON CORP10 citations73
US5216281AJun 1, 1993
Self sealed aligned contact incorporating a dopant source
RAMTRON CORP13 citations71