Assignee
TOYO COMMUNICATION EQUIP
JP·85 granted patents·3 pending applications·1,725 citations·filing 1977–2006
Top patents by PatentIndex Score
88 records- 0194US6294964B1High-stability piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2000·Granted Sep 25, 2001·50 cites·6 claims
- 0291US4870313APiezoelectric resonators for overtone oscillationsTOYO COMMUNICATION EQUIP·Filed 1988·Granted Sep 26, 1989·101 cites·19 claims
- 0390US7098574B2Piezoelectric resonator and method for manufacturing the sameTOYO COMMUNICATION EQUIP·Filed 2003·Granted Aug 29, 2006·35 cites·12 claims
- 0490US6750593B2High frequency piezoelectric resonator having reduced spurious modesTOYO COMMUNICATION EQUIP·Filed 2000·Granted Jun 15, 2004·43 cites·11 claims
- 0589US4167006ACollision avoidance system of aircraftTOYO COMMUNICATION EQUIP·Filed 1977·Granted Sep 4, 1979·55 cites·6 claims
- 0688US7235913B2Piezoelectric substrate, piezoelectric resonating element and surface-mount piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2006·Granted Jun 26, 2007·15 cites·5 claims
- 0786US6734747B1Piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2000·Granted May 11, 2004·27 cites·6 claims
- 0886US6147565APiezo-oscillator with heater and temperature control circuitTOYO COMMUNICATION EQUIP·Filed 1999·Granted Nov 14, 2000·62 cites·12 claims
- 0986US5216435AArray antenna power supply system having power supply lines secured in a cylinder by adhesiveTOYO COMMUNICATION EQUIP·Filed 1989·Granted Jun 1, 1993·65 cites·2 claims
- 1085US6114801AAt-cut crystal resonatorTOYO COMMUNICATION EQUIP·Filed 1998·Granted Sep 5, 2000·39 cites·4 claims
- 1184US6329888B1Reflection inversion surface acoustic wave transducer and filterTOYO COMMUNICATION EQUIP·Filed 1999·Granted Dec 11, 2001·42 cites·4 claims
- 1284US6111341APiezoelectric vibrator and method for manufacturing the sameTOYO COMMUNICATION EQUIP·Filed 1997·Granted Aug 29, 2000·71 cites·10 claims
- 1384US4542356AHigh frequency narrow-band multi-mode filterTOYO COMMUNICATION EQUIP·Filed 1983·Granted Sep 17, 1985·31 cites·15 claims
- 1483US6492759B1Piezoelectric resonator and a filterTOYO COMMUNICATION EQUIP·Filed 2000·Granted Dec 10, 2002·25 cites·8 claims
- 1581US4853700AIndicating system for warning airspace or threatening aircraft in aircraft collision avoidance systemTOYO COMMUNICATION EQUIP·Filed 1985·Granted Aug 1, 1989·58 cites·6 claims
- 1678US6859110B2High-stability piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2003·Granted Feb 22, 2005·16 cites·2 claims
- 1778US5458158ALead cutting apparatus and an anticorrosive coat structure of leadTOYO COMMUNICATION EQUIP·Filed 1994·Granted Oct 17, 1995·39 cites·2 claims
- 1877US5235240AElectrodes and their lead structures of an ultrathin piezoelectric resonatorTOYO COMMUNICATION EQUIP·Filed 1991·Granted Aug 10, 1993·35 cites·7 claims
- 1977US4196434ASurveillance system for collision avoidance of aircrafts using radar beaconTOYO COMMUNICATION EQUIP·Filed 1977·Granted Apr 1, 1980·31 cites·16 claims
- 2076USD477349SSorterTOYO COMMUNICATION EQUIP·Filed 2002·Granted Jul 15, 2003·21 cites·1 claims
- 2175US5185550AStructure for supporting a resonator using an ultrathin piezoelectric plate in a packageTOYO COMMUNICATION EQUIP·Filed 1990·Granted Feb 9, 1993·28 cites·6 claims
- 2274US5398931AAutomated dispensing apparatus for flat paper objectTOYO COMMUNICATION EQUIP·Filed 1993·Granted Mar 21, 1995·32 cites·2 claims
- 2373US5307034AUltrathin multimode quartz crystal filter elementTOYO COMMUNICATION EQUIP·Filed 1990·Granted Apr 26, 1994·26 cites·1 claims
- 2471US4857830AMethod for measuring insulation resistance of electric lineTOYO COMMUNICATION EQUIP·Filed 1988·Granted Aug 15, 1989·29 cites·2 claims
- 2570US6448689B2Piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2001·Granted Sep 10, 2002·11 cites·14 claims
- 2669US5392053AArray antenna and systemTOYO COMMUNICATION EQUIP·Filed 1993·Granted Feb 21, 1995·37 cites·5 claims
- 2769US4638242AMethod and device for measuring insulation deterioration of electric lineTOYO COMMUNICATION EQUIP·Filed 1982·Granted Jan 20, 1987·24 cites·7 claims
- 2868US7023288B2Piezoelectric oscillator and its manufacturing methodTOYO COMMUNICATION EQUIP·Filed 2002·Granted Apr 4, 2006·13 cites·16 claims
- 2967US4477786ASemi-coaxial cavity resonator filterTOYO COMMUNICATION EQUIP·Filed 1982·Granted Oct 16, 1984·22 cites·6 claims
- 3066US6617756B1Piezo-oscillatorTOYO COMMUNICATION EQUIP·Filed 2000·Granted Sep 9, 2003·10 cites·13 claims
- 3166US5353040A4-wire helical antennaTOYO COMMUNICATION EQUIP·Filed 1993·Granted Oct 4, 1994·34 cites·3 claims
- 3265US5483069AValidation apparatus for flat paper objectTOYO COMMUNICATION EQUIP·Filed 1993·Granted Jan 9, 1996·56 cites·1 claims
- 3364US6791424B2Piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2001·Granted Sep 14, 2004·10 cites·8 claims
- 3463US6504454B2Longitudinally coupled surface acoustic wave filterTOYO COMMUNICATION EQUIP·Filed 2001·Granted Jan 7, 2003·9 cites·4 claims
- 3563US4395776ATransmitter having a phase synchronizing systemTOYO COMMUNICATION EQUIP·Filed 1980·Granted Jul 26, 1983·22 cites·9 claims
- 3662US6402834B1Apparatus and method for manufacturing monocrystalsTOYO COMMUNICATION EQUIP·Filed 1999·Granted Jun 11, 2002·18 cites·4 claims
- 3761US7012353B2Piezoelectric resonator and the method for making the sameTOYO COMMUNICATION EQUIP·Filed 2005·Granted Mar 14, 2006·3 cites·3 claims
- 3861US4422034AMethod for measuring insulation resistance and device thereforTOYO COMMUNICATION EQUIP·Filed 1981·Granted Dec 20, 1983·21 cites·9 claims
- 3958US7224661B2Wave plate and optical pickup unit using the sameTOYO COMMUNICATION EQUIP·Filed 2004·Granted May 29, 2007·5 cites·3 claims
- 4058US7071598B2Thin and highly stable piezoelectric oscillator, and thin and surface-mounting type highly stable piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2004·Granted Jul 4, 2006·10 cites·8 claims
- 4158US6052353ADouble refraction plate with refractive grating pattern around a centerally disposed transparent region to allow the passage of either an ordinary ray or an extraordinary rayTOYO COMMUNICATION EQUIP·Filed 1997·Granted Apr 18, 2000·14 cites·8 claims
- 4257US5602879AClock recovering circuit for digital demodulatorTOYO COMMUNICATION EQUIP·Filed 1994·Granted Feb 11, 1997·31 cites·4 claims
- 4357US5218328AStructure for a resonator using an ultrathin piezoelectric substrateTOYO COMMUNICATION EQUIP·Filed 1990·Granted Jun 8, 1993·14 cites·10 claims
- 4457US4978945AAlarm suppressing system in aircraft collision avoidance systemTOYO COMMUNICATION EQUIP·Filed 1989·Granted Dec 18, 1990·20 cites·5 claims
- 4556US6629342B1Method for producing an AT-cut resonatorTOYO COMMUNICATION EQUIP·Filed 2000·Granted Oct 7, 2003·5 cites·16 claims
- 4656US5719782AFrequency measuring apparatus and frequency measuring methodTOYO COMMUNICATION EQUIP·Filed 1994·Granted Feb 17, 1998·27 cites·9 claims
- 4755US7173499B2High-stability piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2004·Granted Feb 6, 2007·8 cites·1 claims
- 4855US5029092ADevice of suppressing incorrect alarms for use in a collision avoidance system installed in an airplaneTOYO COMMUNICATION EQUIP·Filed 1989·Granted Jul 2, 1991·18 cites·5 claims
- 4954US4851761AMethod for measuring insulation resistance of electric lineTOYO COMMUNICATION EQUIP·Filed 1988·Granted Jul 25, 1989·15 cites·6 claims
- 5053US6949983B2High-frequency piezoelectric oscillatorTOYO COMMUNICATION EQUIP·Filed 2003·Granted Sep 27, 2005·4 cites·7 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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