Assignee
AVANTEK
US·32 granted patents·1,302 citations·filing 1971–1993
Top patents by PatentIndex Score
32 records- 0194US4978639AMethod for the simultaneous formation of via-holes and wraparound plating on semiconductor chipsAVANTEK·Filed 1989·Granted Dec 18, 1990·177 cites·8 claims
- 0294US4842699AMethod of selective via-hole and heat sink plating using a metal maskAVANTEK·Filed 1988·Granted Jun 27, 1989·145 cites·12 claims
- 0392US4808273AMethod of forming completely metallized via holes in semiconductorsAVANTEK·Filed 1988·Granted Feb 28, 1989·117 cites·17 claims
- 0489US4881050AThin-film microwave filterAVANTEK·Filed 1988·Granted Nov 14, 1989·59 cites·8 claims
- 0586US5111455AInterleaved time-division multiplexor with phase-compensated frequency doublersAVANTEK·Filed 1990·Granted May 5, 1992·78 cites·38 claims
- 0686US4901853ASubstrate transport boxAVANTEK·Filed 1989·Granted Feb 20, 1990·147 cites·11 claims
- 0783US4213840ALow-resistance, fine-line semiconductor device and the method for its manufactureAVANTEK·Filed 1978·Granted Jul 22, 1980·48 cites·20 claims
- 0880US3978282AApparatus and method for measuring the transmission characteristics of a networkAVANTEK·Filed 1971·Granted Aug 31, 1976·26 cites·25 claims
- 0979US4595881ADistributed amplifier using dual-gate GaAs FET'sAVANTEK·Filed 1985·Granted Jun 17, 1986·28 cites·4 claims
- 1078US4954790AEnhanced coupled, even mode terminated baluns, and mixers and modulators constructed therefromAVANTEK·Filed 1989·Granted Sep 4, 1990·44 cites·25 claims
- 1175US4940949AHigh efficiency high isolation amplifierAVANTEK·Filed 1989·Granted Jul 10, 1990·24 cites·11 claims
- 1275US4672023AMethod for planarizing wafersAVANTEK·Filed 1985·Granted Jun 9, 1987·73 cites·8 claims
- 1374US5306649AMethod for producing a fully walled emitter-base structure in a bipolar transistorAVANTEK·Filed 1992·Granted Apr 26, 1994·29 cites·20 claims
- 1471US5288660AMethod for forming self-aligned t-shaped transistor electrodeAVANTEK·Filed 1993·Granted Feb 22, 1994·50 cites·17 claims
- 1570US5127984ARapid wafer thinning processAVANTEK·Filed 1991·Granted Jul 7, 1992·51 cites·14 claims
- 1667US4851787ALow noise frequency synthesizerAVANTEK·Filed 1988·Granted Jul 25, 1989·23 cites·5 claims
- 1764US4928078ABranch line couplerAVANTEK·Filed 1988·Granted May 22, 1990·17 cites·8 claims
- 1861US4926292ABroadband printed spiralAVANTEK·Filed 1989·Granted May 15, 1990·19 cites·10 claims
- 1959US4912430ACurrent source as a microwave biasing elementAVANTEK·Filed 1989·Granted Mar 27, 1990·11 cites·10 claims
- 2056US4975065AMicrowave circuit module connectorAVANTEK·Filed 1989·Granted Dec 4, 1990·16 cites·7 claims
- 2156US4755772ASwitchable microwave oscillatorAVANTEK·Filed 1987·Granted Jul 5, 1988·16 cites·14 claims
- 2255US4988959AYIG tuned oscillator using composite feedbackAVANTEK·Filed 1989·Granted Jan 29, 1991·14 cites·8 claims
- 2355US3931472AAsynchronous quadriphase communications system and methodAVANTEK·Filed 1974·Granted Jan 6, 1976·13 cites·16 claims
- 2453US4649354ASwitchable multi-frequency dielectric resonator oscillatorAVANTEK·Filed 1985·Granted Mar 10, 1987·15 cites·20 claims
- 2552US4737737ATransmission injection-locked dielectric resonator oscillatorAVANTEK·Filed 1986·Granted Apr 12, 1988·14 cites·11 claims
- 2652US4733199AMulti-frequency dielectric resonator oscillator using parallel feedbackAVANTEK·Filed 1987·Granted Mar 22, 1988·14 cites·8 claims
- 2744US5126827ASemiconductor chip header having particular surface metallizationAVANTEK·Filed 1991·Granted Jun 30, 1992·13 cites·16 claims
- 2843US4688005ASelf-oscillating mixer with Darlington transistorsAVANTEK·Filed 1986·Granted Aug 18, 1987·8 cites·18 claims
- 2937US5045731AUltraminiature 180 degree phase shifterAVANTEK·Filed 1989·Granted Sep 3, 1991·4 cites·5 claims
- 3035US4769621AFrequency divider with darlington transistorsAVANTEK·Filed 1987·Granted Sep 6, 1988·4 cites·7 claims
- 3133US5215866ABroadband printed spiralAVANTEK·Filed 1990·Granted Jun 1, 1993·4 cites·9 claims
- 3221US4691380AQuad-ridge waveguide mixerAVANTEK·Filed 1986·Granted Sep 1, 1987·1 cites·21 claims
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