Assignee
NEC COMPOUND SEMICONDUCTOR
JP·59 granted patents·22 pending applications·813 citations·filing 1999–2006
Top patents by PatentIndex Score
81 records- 0192US6627473B1Compound semiconductor device with delta doped layer under etching stopper layer for decreasing resistance between active layer and ohmic electrode and process of fabrication thereofNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Sep 30, 2003·133 cites·22 claims
- 0291US6483135B1Field effect transistorNEC COMPOUND SEMICONDUCTOR·Filed 1999·Granted Nov 19, 2002·93 cites·21 claims
- 0386US6836172B2Semiconductor switch apparatus including isolated MOS transistorsNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Dec 28, 2004·85 cites·13 claims
- 0485US6881896B2Semiconductor device packageNEC COMPOUND SEMICONDUCTOR·Filed 2004·Granted Apr 19, 2005·67 cites·14 claims
- 0584US6724253B2Predistortion type linearizer controlled by two control voltagesNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Apr 20, 2004·34 cites·18 claims
- 0681US6999746B2Image rejection mixerNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Feb 14, 2006·23 cites·10 claims
- 0780US6711188B2Wavelength stabilizing unit and wavelength stabilized laser moduleNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Mar 23, 2004·16 cites·20 claims
- 0878US6507112B1Semiconductor device with an improved bonding pad structure and method of bonding bonding wires to bonding padsNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Jan 14, 2003·29 cites·19 claims
- 0977US6873213B2Fractional N frequency synthesizerNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Mar 29, 2005·25 cites·20 claims
- 1073US6529099B1180° phase shift circuit having an improved isolation characteristicNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Mar 4, 2003·12 cites·6 claims
- 1172US6881988B2Heterojunction bipolar transistor and semiconductor integrated circuit device using the sameNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Apr 19, 2005·19 cites·12 claims
- 1271US6548880B1Optical semiconductor device and a method of manufacturing the sameNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Apr 15, 2003·18 cites·16 claims
- 1370US6806482B2Photovoltaic solid state relayNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Oct 19, 2004·17 cites·8 claims
- 1468US6518843B1Variable gain type amplifierNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Feb 11, 2003·11 cites·22 claims
- 1567US7023283B2Wide lock range phase locked loop and method of operationNEC COMPOUND SEMICONDUCTOR·Filed 2004·Granted Apr 4, 2006·18 cites·10 claims
- 1666US6640091B1Dual-band output switching high-frequency transmission circuit with a transmission mixer having two outputsNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Oct 28, 2003·11 cites·20 claims
- 1765US7060530B2Semiconductor package having a resin cap memberNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Jun 13, 2006·16 cites·17 claims
- 1865US6614311B2Micro-wave power amplifierNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Sep 2, 2003·14 cites·13 claims
- 1965US6542045B2High-frequency variable attenuator having a controllable reference voltageNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Apr 1, 2003·11 cites·8 claims
- 2063US6661252B2Matrix switch device high in isolation between terminals thereof, small in size, and low in manufacturing costNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Dec 9, 2003·6 cites·8 claims
- 2162US6686251B2Method for fabricating a bipolar transistor having self-aligned emitter and baseNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Feb 3, 2004·10 cites·5 claims
- 2260US6924201B2Heterojunction bipolar transistor and method of producing the sameNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Aug 2, 2005·8 cites·24 claims
- 2360US6704334B2Compact semiconductor laser diode moduleNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Mar 9, 2004·6 cites·21 claims
- 2459US7004325B2Resin-molded package with cavity structureNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Feb 28, 2006·7 cites·30 claims
- 2559US6509798B2Variable gain amplifierNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Jan 21, 2003·6 cites·5 claims
- 2658US6713865B2Semiconductor device having semiconductor element housed in packed with heat sinkNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Mar 30, 2004·9 cites·5 claims
- 2756US6842471B2Semiconductor laser device having a current non-injection areaNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Jan 11, 2005·5 cites·23 claims
- 2856US6664640B2Semiconductor deviceNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Dec 16, 2003·9 cites·18 claims
- 2956US6525388B1Compound semiconductor device having diode connected between emitter and collector of bipolar transistorNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Feb 25, 2003·7 cites·21 claims
- 3053US6566185B2Method of manufacturing a plural unit high frequency transistorNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted May 20, 2003·6 cites·12 claims
- 3152US6514872B1Method of manufacturing a semiconductor deviceNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Feb 4, 2003·6 cites·15 claims
- 3251US6960754B2Photoelectric current and voltage converting circuitNEC COMPOUND SEMICONDUCTOR·Filed 2004·Granted Nov 1, 2005·2 cites·1 claims
- 3351US6706967B2Lead-less semiconductor device with improved electrode pattern structureNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Mar 16, 2004·6 cites·3 claims
- 3451US6639452B2Active bias circuit having Wilson and Widlar configurationsNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Oct 28, 2003·7 cites·4 claims
- 3549US6717192B2Schottky gate field effect transistorNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Apr 6, 2004·4 cites·5 claims
- 3648US7002803B2Electronic product with heat radiating plateNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Feb 21, 2006·4 cites·42 claims
- 3748US6956167B2Lid-holding frame used in production of hollow-package type electronic products, and sealing-process using such lid-holding frameNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Oct 18, 2005·2 cites·27 claims
- 3848US6829266B2Optical semiconductor device increasing productivity and method of fabricating the sameNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Dec 7, 2004·3 cites·33 claims
- 3948US6703678B2Schottky barrier field effect transistor large in withstanding voltage and small in distortion and return-lossNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Mar 9, 2004·6 cites·13 claims
- 4047US6574258B2Semiconductor laser having an active layer provided between two different conduction types of semiconductor layers, and optical modules and communication systems formed therewithNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Jun 3, 2003·1 cites·10 claims
- 4146US6718108B2Semiconductor photodetectorNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Apr 6, 2004·2 cites·13 claims
- 4244US7045762B2Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistorNEC COMPOUND SEMICONDUCTOR·Filed 2004·Granted May 16, 2006·3 cites·16 claims
- 4344US6809592B2High-frequency circuitNEC COMPOUND SEMICONDUCTOR·Filed 2002·Granted Oct 26, 2004·1 cites·5 claims
- 4443US6897547B2Semiconductor device including bipolar junction transistor, and production method thereforNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted May 24, 2005·3 cites·10 claims
- 4542US6812522B2Lateral type power MOS transistor having trench gate formed on silicon-on-insulator (SOI) substrateNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Nov 2, 2004·6 cites·7 claims
- 4642US2005069261A1Optical semiconductor device and method of manufacturing sameNEC COMPOUND SEMICONDUCTOR·Filed 2004·Application pending·0 cites
- 4741US6576178B2Resin sealing apparatus and resin sealing methodNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Jun 10, 2003·3 cites·5 claims
- 4840US6787815B2High-isolation semiconductor deviceNEC COMPOUND SEMICONDUCTOR·Filed 2003·Granted Sep 7, 2004·2 cites·13 claims
- 4940US2005064897A1Dual band transmitting/receiving deviceNEC COMPOUND SEMICONDUCTOR·Filed 2004·Application pending·0 cites
- 5040US2004086010A1Semiconductor laser moduleNEC COMPOUND SEMICONDUCTOR·Filed 2003·Application pending·0 cites
Showing the top 50 of 81 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →