Inventor · disambiguated record
William W. Oldfield
Also filed as: OLDFIELD WILLIAM · OLDFIELD WILLIAM W
31 granted patents·3 pending applications·941 citations·filing 1979–2006
98Inventor score
Top patents by PatentIndex Score
34 records- 0196US6169410B1Wafer probe with built in RF frequency conversion moduleANRITSU CO·Filed 1998·Granted Jan 2, 2001·156 cites·4 claims
- 0293US5548538AInternal automatic calibrator for vector network analyzersWILTRON CO·Filed 1994·Granted Aug 20, 1996·86 cites·13 claims
- 0390US6509821B2Lumped element microwave inductor with windings around tapered poly-iron coreANRITSU CO·Filed 1998·Granted Jan 21, 2003·51 cites·4 claims
- 0490US5905421AApparatus for measuring and/or injecting high frequency signals in integrated systemsWILTRON CO·Filed 1997·Granted May 18, 1999·83 cites·15 claims
- 0584US5111165AMicrowave coupler and method of operating same utilizing forward couplingWILTRON CO·Filed 1989·Granted May 5, 1992·31 cites·19 claims
- 0684US5017865ACoaxial microwave device test fixtureWILTRON CO·Filed 1989·Granted May 21, 1991·42 cites·17 claims
- 0783US6548999B2RMS power sensor with 84 dB dynamic rangeANRITSU CO·Filed 2001·Granted Apr 15, 2003·25 cites·3 claims
- 0882US5715183AInternal automatic calibrator for vector network analyzersWILTRON CO·Filed 1996·Granted Feb 3, 1998·41 cites·12 claims
- 0981US6525631B1System and method for improved microstrip terminationANRITSU CO·Filed 2001·Granted Feb 25, 2003·27 cites·8 claims
- 1081US5576675AMicrowave connector with an inner conductor that provides an axially resilient coaxial connectionWILTRON CO·Filed 1995·Granted Nov 19, 1996·41 cites·16 claims
- 1180US5587934AAutomatic VNA calibration apparatusWILTRON CO·Filed 1996·Granted Dec 24, 1996·52 cites·10 claims
- 1278US7011529B2Hermetic glass bead assembly having high frequency compensationANRITSU CO·Filed 2004·Granted Mar 14, 2006·28 cites·24 claims
- 1377US5047737ADirectional coupler and termination for stripline and coaxial conductorsWILTRON CO·Filed 1988·Granted Sep 10, 1991·24 cites·11 claims
- 1475US7108527B2Sex changeable adapter for coaxial connectorsANRITSU CO·Filed 2004·Granted Sep 19, 2006·23 cites·13 claims
- 1571US6291984B1Dual mode diode power sensor with square law and linear operating regionsANRITSU CO·Filed 1999·Granted Sep 18, 2001·34 cites·17 claims
- 1664US6331769B1RMS power sensor with 84 dB dynamic rangeANRITSU CO·Filed 1999·Granted Dec 18, 2001·21 cites·13 claims
- 1764US6049212AConnector saving adapters and SWR bridge configuration allowing multiple connector types to be used with a single SWR bridgeWILTRON CO·Filed 1995·Granted Apr 11, 2000·24 cites·26 claims
- 1864US5801525AFrequency discriminating power sensorWILTRON CO·Filed 1996·Granted Sep 1, 1998·27 cites·5 claims
- 1959US4891015AUniversal connector with interchangeable male and female sleeves for use in network analyzers and microwave devicesWILTRON CO·Filed 1989·Granted Jan 2, 1990·19 cites·5 claims
- 2056US5812039AApparatus for providing a ground for circuits on carriersFiled 1997·Granted Sep 22, 1998·21 cites·22 claims
- 2155US5734176AImpedance controlled test fixture for multi-lead surface mounted integrated circuitsWILTRON CO·Filed 1996·Granted Mar 31, 1998·18 cites·14 claims
- 2254US6604949B2High frequency hermetic connector with ground lipANRITSU CO·Filed 2001·Granted Aug 12, 2003·8 cites·6 claims
- 2354US6593829B2Microstrip dot termination usable with optical modulatorsANRITSU CO·Filed 2001·Granted Jul 15, 2003·3 cites·22 claims
- 2450US6660174B2Method of manufacturing a microstrip edge ground terminationANRITSU CO·Filed 2001·Granted Dec 9, 2003·2 cites·11 claims
- 2546US6628182B1Right angle coaxial cable connections to microwave components on a carrierANRITSU CO·Filed 2000·Granted Sep 30, 2003·1 cites·9 claims
- 2645US4291936ACoaxial connector with improved female conductor structureWILTRON CO·Filed 1979·Granted Sep 29, 1981·11 cites·14 claims
- 2744US5825669AMethod of updating automatic calibration to provide a perceived perfect through connectionWILTRON CO·Filed 1996·Granted Oct 20, 1998·15 cites·5 claims
- 2843US6053755AConnector having an axial resilient inner and outer conductorsANRITSU CO·Filed 1998·Granted Apr 25, 2000·9 cites·10 claims
- 2943US5055807AMethod and apparatus for multiplexing broad band high frequency signals for use in network analyzersWILTRON CO·Filed 1989·Granted Oct 8, 1991·8 cites·13 claims
- 3043US5053733AMethod and apparatus for multiplexing broad band high frequency signals for use in network analyzersWILTRON CO·Filed 1989·Granted Oct 1, 1991·8 cites·32 claims
- 3141US2003076207A1Lumped element microwave inductor with windings around tapered poly-iron coreANRITSU CO·Filed 2002·Application pending·0 cites
- 3235US2002080002A1Microwave inductor with poly-iron core configured to limit interference with transmission line signalsFiled 2002·Application pending·0 cites
- 3335US2006134939A1Method for forming hermetic glass bead assembly having high frequency compensationANRITSU CO·Filed 2006·Application pending·0 cites
- 3432US5831440ASWR bridge configuration enabling extended precision and measurement range when measuring through a precision coax airlineWILTRON CO·Filed 1995·Granted Nov 3, 1998·2 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when William W. Oldfield files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →