Inventor · disambiguated record
Richard D. Freeman
Also filed as: FREEMAN RICHARD · FREEMAN RICHARD D
14 granted patents·667 citations·filing 1970–2015
94Inventor score
Top patents by PatentIndex Score
14 records- 0194US5594363ALogic cell and routing architecture in a field programmable gate arrayZYCAD CORP·Filed 1995·Granted Jan 14, 1997·142 cites·35 claims
- 0291US5764096AGeneral purpose, non-volatile reprogrammable switchGATEFIELD CORP·Filed 1996·Granted Jun 9, 1998·98 cites·15 claims
- 0390US9726609B2Wavelength selective SERS nanotagsSICPA HOLDING SA·Filed 2015·Granted Aug 8, 2017·4 cites·13 claims
- 0487US4195338AComputer typesettingBELL TELEPHONE LABOR INC·Filed 1970·Granted Mar 25, 1980·36 cites·10 claims
- 0585US4819267ASolid state key for controlling access to computer systems and to computer software and/or for secure communicationsTHUMBSCAN INC·Filed 1987·Granted Apr 4, 1989·196 cites·17 claims
- 0682US5594698ARandom access memory (RAM) based configurable arraysZYCAD CORP·Filed 1994·Granted Jan 14, 1997·51 cites·159 claims
- 0781US8117577B1Determining timing paths within a circuit block of a programmable integrated circuitVADI VASISHT M·Filed 2009·Granted Feb 14, 2012·16 cites·20 claims
- 0866US5214512AKeyed, true-transparency image information combineAMPEX SYSTEMS CORP·Filed 1991·Granted May 25, 1993·27 cites·16 claims
- 0962US5385390APortable seat carrierFiled 1994·Granted Jan 31, 1995·33 cites·3 claims
- 1055US9566693B2Turnbuckle wrench assemblyBOEING CO·Filed 2014·Granted Feb 14, 2017·2 cites·15 claims
- 1148US5634108ASingle chip processing system utilizing general cache and microcode cache enabling simultaneous multiple functionsUNISYS CORP·Filed 1996·Granted May 27, 1997·23 cites·4 claims
- 1247US5574883ASingle chip processing unit providing immediate availability of frequently used microcode instruction wordsUNISYS CORP·Filed 1993·Granted Nov 12, 1996·20 cites·8 claims
- 1339USD368680SCombined bicycle and cartFREEMAN RICHARD D·Filed 1995·Granted Apr 9, 1996·5 cites·1 claims
- 1439US5446848AEntry level data processing system which is expandable by a factor of two to a partitionable upgraded system with low overheadUNISYS CORP·Filed 1993·Granted Aug 29, 1995·14 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →