Assignee
RAMTRON CORP
US·25 granted patents·2,108 citations·filing 1980–1991
Top patents by PatentIndex Score
25 records- 0198US5005102AMultilayer electrodes for integrated circuit capacitorsRAMTRON CORP·Filed 1989·Granted Apr 2, 1991·198 cites·8 claims
- 0298US4873664ASelf restoring ferroelectric memoryRAMTRON CORP·Filed 1987·Granted Oct 10, 1989·300 cites·29 claims
- 0398US4809225AMemory cell with volatile and non-volatile portions having ferroelectric capacitorsRAMTRON CORP·Filed 1987·Granted Feb 28, 1989·257 cites·8 claims
- 0497US4888733ANon-volatile memory cell and sensing methodRAMTRON CORP·Filed 1988·Granted Dec 19, 1989·197 cites·17 claims
- 0597US4853893AData storage device and method of using a ferroelectric capacitance dividerRAMTRON CORP·Filed 1987·Granted Aug 1, 1989·204 cites·20 claims
- 0691US5206788ASeries ferroelectric capacitor structure for monolithic integrated circuits and methodRAMTRON CORP·Filed 1991·Granted Apr 27, 1993·140 cites·30 claims
- 0789US4914627AOne transistor memory cell with programmable capacitance dividerRAMTRON CORP·Filed 1989·Granted Apr 3, 1990·60 cites·7 claims
- 0889US4893272AFerroelectric retention methodRAMTRON CORP·Filed 1988·Granted Jan 9, 1990·63 cites·6 claims
- 0987US4707897AMonolithic semiconductor integrated circuit ferroelectric memory device, and methods of fabricating and utilizing sameRAMTRON CORP·Filed 1980·Granted Nov 24, 1987·45 cites·26 claims
- 1084US5142437AConducting electrode layers for ferroelectric capacitors in integrated circuits and methodRAMTRON CORP·Filed 1991·Granted Aug 25, 1992·86 cites·38 claims
- 1182US4800543ATimepiece communication systemRAMTRON CORP·Filed 1987·Granted Jan 24, 1989·164 cites·23 claims
- 1281US4918654ASRAM with programmable capacitance dividerRAMTRON CORP·Filed 1989·Granted Apr 17, 1990·41 cites·14 claims
- 1381US4910708ADram with programmable capacitance dividerRAMTRON CORP·Filed 1989·Granted Mar 20, 1990·40 cites·14 claims
- 1478US5043790ASealed self aligned contacts using two nitrides processRAMTRON CORP·Filed 1990·Granted Aug 27, 1991·44 cites·20 claims
- 1574US5024964AMethod of making ferroelectric memory devicesRAMTRON CORP·Filed 1985·Granted Jun 18, 1991·31 cites·24 claims
- 1673US5162890AStacked capacitor with sidewall insulationRAMTRON CORP·Filed 1991·Granted Nov 10, 1992·30 cites·19 claims
- 1773US5104822AMethod for creating self-aligned, non-patterned contact areas and stacked capacitors using the methodRAMTRON CORP·Filed 1990·Granted Apr 14, 1992·31 cites·19 claims
- 1868US5214300AMonolithic semiconductor integrated circuit ferroelectric memory deviceRAMTRON CORP·Filed 1991·Granted May 25, 1993·30 cites·8 claims
- 1967US5170242AReaction barrier for a multilayer structure in an integrated circuitRAMTRON CORP·Filed 1991·Granted Dec 8, 1992·42 cites·28 claims
- 2067US5109357ADRAM memory cell and method of operation thereof for transferring increased amount of charge to a bit lineRAMTRON CORP·Filed 1990·Granted Apr 28, 1992·28 cites·9 claims
- 2161US4713157ACombined integrated circuit/ferroelectric memory device, and ion beam methods of constructing sameRAMTRON CORP·Filed 1985·Granted Dec 15, 1987·20 cites·13 claims
- 2252US5134310ACurrent supply circuit for driving high capacitance load in an integrated circuitRAMTRON CORP·Filed 1991·Granted Jul 28, 1992·15 cites·32 claims
- 2351US5117177AReference generator for an integrated circuitRAMTRON CORP·Filed 1991·Granted May 26, 1992·19 cites·12 claims
- 2448US5216281ASelf sealed aligned contact incorporating a dopant sourceRAMTRON CORP·Filed 1991·Granted Jun 1, 1993·13 cites·14 claims
- 2545US5075817ATrench capacitor for large scale integrated memoryRAMTRON CORP·Filed 1990·Granted Dec 24, 1991·10 cites·56 claims
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