Assignee
NEC MICROWAVE TUBE LTD
JP·32 granted patents·3 pending applications·136 citations·filing 2001–2008
Top patents by PatentIndex Score
35 records- 0183US7489084B2Power supply apparatus and high frequency circuit systemNEC MICROWAVE TUBE LTD·Filed 2007·Granted Feb 10, 2009·7 cites·5 claims
- 0278US6707427B2Chip antenna and antenna unit including the sameNEC MICROWAVE TUBE LTD·Filed 2002·Granted Mar 16, 2004·41 cites·53 claims
- 0372US6777876B2Power-supply unit for microwave tubeNEC MICROWAVE TUBE LTD·Filed 2003·Granted Aug 17, 2004·10 cites·9 claims
- 0470US7071624B2Microwave tube system and microwave tubeNEC MICROWAVE TUBE LTD·Filed 2004·Granted Jul 4, 2006·8 cites·6 claims
- 0569US6623145B2Light source deviceNEC MICROWAVE TUBE LTD·Filed 2001·Granted Sep 23, 2003·8 cites·10 claims
- 0669US6583567B2Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube deviceNEC MICROWAVE TUBE LTD·Filed 2001·Granted Jun 24, 2003·6 cites·2 claims
- 0768US6669522B2High pressure discharge lamp and method for producing thereofNEC MICROWAVE TUBE LTD·Filed 2003·Granted Dec 30, 2003·6 cites·13 claims
- 0865US6667575B2High pressure discharge lamp with reduced bulb thicknessNEC MICROWAVE TUBE LTD·Filed 2001·Granted Dec 23, 2003·6 cites·25 claims
- 0963US6774552B2Electron gunNEC MICROWAVE TUBE LTD·Filed 2003·Granted Aug 10, 2004·5 cites·10 claims
- 1063US6759806B2High pressure discharge lamp and method for sealing a bulb thereofNEC MICROWAVE TUBE LTD·Filed 2001·Granted Jul 6, 2004·4 cites·6 claims
- 1162US7034463B2Traveling-wave tube having heat radiating structure with high thermal conductivityNEC MICROWAVE TUBE LTD·Filed 2004·Granted Apr 25, 2006·5 cites·6 claims
- 1260US6583565B2High pressure discharge lampNEC MICROWAVE TUBE LTD·Filed 2001·Granted Jun 24, 2003·4 cites·28 claims
- 1360US6570329B2High pressure discharge lamp and method for producing thereofNEC MICROWAVE TUBE LTD·Filed 2001·Granted May 27, 2003·3 cites·16 claims
- 1456US7088060B2Electron tube for communicationNEC MICROWAVE TUBE LTD·Filed 2003·Granted Aug 8, 2006·3 cites·8 claims
- 1556US6756734B2Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube deviceNEC MICROWAVE TUBE LTD·Filed 2001·Granted Jun 29, 2004·2 cites·4 claims
- 1656US6670760B2Collector structure of traveling wave tube having a lossy ceramic memberNEC MICROWAVE TUBE LTD·Filed 2001·Granted Dec 30, 2003·3 cites·2 claims
- 1755US7764025B2Power supply apparatus and high-frequency circuit systemNEC MICROWAVE TUBE LTD·Filed 2007·Granted Jul 27, 2010·0 cites·9 claims
- 1855US6787997B2Linear-beam microwave tubeNEC MICROWAVE TUBE LTD·Filed 2002·Granted Sep 7, 2004·2 cites·22 claims
- 1955US6504302B2High-pressure discharge lampNEC MICROWAVE TUBE LTD·Filed 2001·Granted Jan 7, 2003·2 cites·8 claims
- 2053US7688163B2Pillbox vacuum windowNEC MICROWAVE TUBE LTD·Filed 2007·Granted Mar 30, 2010·0 cites·10 claims
- 2153US7034472B2Power supply apparatus for traveling-wave tube which eliminates high voltage relayNEC MICROWAVE TUBE LTD·Filed 2004·Granted Apr 25, 2006·2 cites·6 claims
- 2250US6773320B2High pressure discharge lamp and method for sealing a bulb thereofNEC MICROWAVE TUBE LTD·Filed 2002·Granted Aug 10, 2004·1 cites·11 claims
- 2348US6608440B2High pressure discharge lamp and method of production thereforNEC MICROWAVE TUBE LTD·Filed 2001·Granted Aug 19, 2003·2 cites·7 claims
- 2448US2007159106A1Collector in microwave tubeNEC MICROWAVE TUBE LTD·Filed 2007·Application pending·0 cites
- 2547US7034462B2Power supply circuit for traveling-wave tube which eliminates large relay and relay driving power supplyNEC MICROWAVE TUBE LTD·Filed 2004·Granted Apr 25, 2006·2 cites·12 claims
- 2645US7038379B2High pressure discharge lamp and method for sealing a bulb thereofNEC MICROWAVE TUBE LTD·Filed 2003·Granted May 2, 2006·0 cites·20 claims
- 2744US2006097669A1Electron tubeNEC MICROWAVE TUBE LTD·Filed 2005·Application pending·0 cites
- 2843US6700541B2Antenna element with conductors formed on outer surfaces of device substrateNEC MICROWAVE TUBE LTD·Filed 2002·Granted Mar 2, 2004·3 cites·42 claims
- 2941US7719196B2Structure of coaxial-to-waveguide transition and traveling wave tubeNEC MICROWAVE TUBE LTD·Filed 2008·Granted May 18, 2010·0 cites·8 claims
- 3038US7652392B2Power supply device and high-frequency circuit systemNEC MICROWAVE TUBE LTD·Filed 2007·Granted Jan 26, 2010·0 cites·8 claims
- 3138US6913503B2High pressure discharge lamp and method of production thereforNEC MICROWAVE TUBE LTD·Filed 2003·Granted Jul 5, 2005·0 cites·13 claims
- 3236US7315134B2Power supply for a high voltage deviceNEC MICROWAVE TUBE LTD·Filed 2004·Granted Jan 1, 2008·1 cites·9 claims
- 3336US2006091776A1Electron gunNEC MICROWAVE TUBE LTD·Filed 2005·Application pending·0 cites
- 3427US6727651B2Traveling wave tubeNEC MICROWAVE TUBE LTD·Filed 2002·Granted Apr 27, 2004·0 cites·4 claims
- 3524US7589469B2Coaxial waveguide converter circuit for traveling-wave tube, method of manufacturing same, and waveguide matching part for use in coaxial waveguide converter circuitNEC MICROWAVE TUBE LTD·Filed 2007·Granted Sep 15, 2009·0 cites·10 claims
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