Inventor · disambiguated record
John Schofield
Also filed as: SCHOFIELD JOHN · SCHOFIELD JOHN M S
12 granted patents·116 citations·filing 1981–1988
91Inventor score
Files withPHILIPS CORP12
Top patents by PatentIndex Score
12 records- 0179US4960329AChirp pulse echo ranging apparatusPHILIPS CORP·Filed 1988·Granted Oct 2, 1990·44 cites·28 claims
- 0260US4370633AAcoustic wave bandpass electrical filtersPHILIPS CORP·Filed 1981·Granted Jan 25, 1983·13 cites·8 claims
- 0352US4486724AAcoustic surface wave devicePHILIPS CORP·Filed 1983·Granted Dec 4, 1984·10 cites·21 claims
- 0447US4575698ASurface acoustic wave devicePHILIPS CORP·Filed 1984·Granted Mar 11, 1986·8 cites·14 claims
- 0544US4567453AAcoustic surface wave devicePHILIPS CORP·Filed 1983·Granted Jan 28, 1986·7 cites·29 claims
- 0644US4504759ASAW Device with special length-weighted interdigital electrode arrayPHILIPS CORP·Filed 1983·Granted Mar 12, 1985·7 cites·6 claims
- 0742US4427956AAcoustic wave bandpass electrical filtersPHILIPS CORP·Filed 1982·Granted Jan 24, 1984·6 cites·1 claims
- 0839US4659955ASurface-propagating acoustic wave devicePHILIPS CORP·Filed 1985·Granted Apr 21, 1987·6 cites·15 claims
- 0936US4591815ASurface-propagating acoustic wave devicePHILIPS CORP·Filed 1985·Granted May 27, 1986·5 cites·9 claims
- 1035US4511867AAcoustic surface wave device including a reflective multistrip couplerPHILIPS CORP·Filed 1983·Granted Apr 16, 1985·4 cites·15 claims
- 1133US4663554ASurface acoustic wave devicePHILIPS CORP·Filed 1985·Granted May 5, 1987·4 cites·7 claims
- 1232US4513262AAcoustic surface wave devicePHILIPS CORP·Filed 1983·Granted Apr 23, 1985·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →