| Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
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| 02/11/2009 | EP2022072A2 Single layer construction for ultra small devices |
| 02/11/2009 | EP2022071A2 Plated multi-faceted reflector |
| 02/11/2009 | EP2022070A2 A focal plane array incorporating ultra-small resonant structures |
| 02/11/2009 | EP2022062A1 Selectable frequency light emitter |
| 02/11/2009 | EP2021843A1 Coupling electromagnetic wave through microcircuit |
| 02/11/2009 | CN101364517A Terahertz radiation source |
| 02/11/2009 | CN101364516A Magnetron |
| 02/10/2009 | US7489084 Power supply apparatus and high frequency circuit system |
| 02/05/2009 | US20090033228 Power supply apparatus and high-frequency circuit system |
| 01/21/2009 | EP2017874A2 Travelling wave tube configuration |
| 01/21/2009 | CN100454744C Microwave oven |
| 01/08/2009 | US20090009086 Traveling wave tube |
| 01/07/2009 | EP2010003A1 Resonant detector for optical signals |
| 01/06/2009 | US7474042 Magnetron with graphite nano-fibers on cathode |
| 12/31/2008 | EP1485932B1 Magnetron arrangements |
| 12/31/2008 | CN100447933C Coaxial double-electron pouring cyclotron pipe with resonance cavity |
| 12/30/2008 | US7471045 Microwave generator |
| 12/24/2008 | CN101329977A Common frequency iso-mode whirling traveling-wave klystron amplifier |
| 12/24/2008 | CN100446163C High voltage input apparatus for magnetron |
| 12/18/2008 | US20080309239 Magnetron control method, magnetron service life judgment method, microwave generation device, magnetron service life judgment device, processing device, computer program, and storage medium |
| 12/17/2008 | EP2003787A2 Wireless network system |
| 12/04/2008 | WO2008147289A1 Vircator |
| 12/04/2008 | US20080296508 Optical magnetron for high efficiency production of optical radiation and related methods of use |
| 11/27/2008 | WO2008008504A3 Apparatus and method for producing electromagnetic oscillations |
| 11/26/2008 | EP1155434B1 Crossed-field amplifier with multipactor suppression |
| 11/19/2008 | CN101308753A Magnetron |
| 11/19/2008 | CN101308752A Common frequency multi-mode multi-stage whirling traveling-wave tube amplifier |
| 11/19/2008 | CN101308751A Installation structure for magnetrons antennae cap body |
| 11/13/2008 | WO2008135064A1 Method and apparatus for collector sweeping control of an electron beam |
| 11/12/2008 | CN100433234C Magnetron for microwave ovens |
| 11/06/2008 | US20080272698 High frequency helical amplifier and oscillator |
| 11/04/2008 | US7446478 Klystron amplifier |
| 10/30/2008 | WO2008131295A1 Method and apparatus for interaction with a modulated off-axis electron beam |
| 10/30/2008 | WO2008130925A2 Bowtie deflector cavity for a linear beam device |
| 10/23/2008 | WO2008127783A2 High frequency helical amplifier and oscillator |
| 10/23/2008 | US20080258625 Method and apparatus for interaction with a modulated off-axis electron beam |
| 10/23/2008 | US20080258624 Bowtie deflector cavity for a linear beam device |
| 10/23/2008 | CA2678885A1 High frequency helical amplifier and oscillator |
| 10/14/2008 | US7436177 SEM test apparatus |
| 10/08/2008 | CN101281851A Complete waveguide bandwidth standard waveguide output high power helix TWT |
| 10/08/2008 | CN101281850A Magnetron and electromagnetic wave shielding gasket |
| 10/08/2008 | CN101281849A Apparatus for inhibiting multi-beam klystron higher harmonic mode oscillation and reducing sundry spectrum level |
| 10/01/2008 | CN101276723A 磁控管 Magnetron |
| 09/17/2008 | CN101266908A Multiple frequency range and high-power spiral line row wave tube with direct ridge waveguide output |
| 09/12/2008 | WO2008109064A1 Terahertz sheet beam klystron |
| 09/11/2008 | US20080218281 Anodically Bonded Cell, Method for Making Same and Systems Incorporating Same |
| 09/03/2008 | EP1964146A1 Multi-beam klystron apparatus |
| 08/28/2008 | US20080203923 Low Energy Electron Cooling System and Method for Increasing the Phase Space Intensity and Overall Intensity of Low Energy Ion Beams |
| 08/26/2008 | US7417376 Linear electron beam tube having a dome shape RF window |
| 08/07/2008 | WO2008070503A3 Method and apparatus for rf input coupling for inductive output tubes and other emission gated devices |
| 08/07/2008 | WO2007040676A3 Electron beam induced resonance |
| 07/17/2008 | DE102008003114A1 Evaporating material evaporating method, involves utilizing energy supplied from outside for evaporation of material, and increasing energy of steam particles of evaporating material by supplying plasma, which is produced by magnetron |
| 07/15/2008 | US7400207 Anodically bonded cell, method for making same and systems incorporating same |
| 07/15/2008 | US7400094 Standing wave particle beam accelerator having a plurality of power inputs |
| 07/15/2008 | US7400093 Standing wave particle beam accelerator |
| 07/10/2008 | WO2008033947A3 Microscale high-frequency vacuum electrical device |
| 07/09/2008 | CN201084676Y A manufacturing equipment which press-installs magnetron antenna caps and its special magnetron core tube |
| 07/03/2008 | US20080157677 Multi-beam klystron apparatus |
| 07/02/2008 | EP1661239A4 Method and apparatus for bi-planar backward wave oscillator |
| 07/01/2008 | US7394201 Field emission cathode gating for RF electron guns and planar focusing cathodes |
| 06/26/2008 | WO2008076098A1 Coaxial cavity gyrotron with two electron beams |
| 06/26/2008 | WO2006037918A3 Microwave generating device with oscillating virtual cathode |
| 06/26/2008 | US20080149828 Low terahertz source and detector |
| 06/25/2008 | CN101206986A Inside and outside ring structure of permatron positive electrode |
| 06/19/2008 | WO2008022004A3 Apparatus and method for trajectory modulation of an electron beam |
| 06/18/2008 | EP1933357A1 Magnetron |
| 06/11/2008 | CN101195906A Position controlled dual magnetron |
| 06/10/2008 | US7385354 Multi-beam klystron apparatus |
| 05/29/2008 | US20080122363 Microwave generator |
| 05/28/2008 | EP1926348A2 Magnetron |
| 05/28/2008 | EP1761941B1 Microwave generator |
| 05/28/2008 | CN201066784Y Fire striking protection device for traveling wave tube |
| 05/22/2008 | US20080119105 Method of making arrays of thin sheet microdischarge devices |
| 05/22/2008 | US20080116807 Magnetron |
| 05/20/2008 | US7375470 Magnetron |
| 05/14/2008 | CN201060841Y Choke coil of permatron |
| 05/14/2008 | CN101178999A Anti-liquid structure of magnetrons output part |
| 05/07/2008 | EP1702346B1 Klystron amplifier |
| 05/07/2008 | CN101174532A Magnetron |
| 05/06/2008 | US7368874 Dynamic depressed collector |
| 05/01/2008 | US20080100236 Multi-section particle accelerator with controlled beam current |
| 05/01/2008 | US20080100221 Magnetron |
| 05/01/2008 | US20080100220 Magnetron |
| 04/30/2008 | CN101170039A 磁控管 Magnetron |
| 04/30/2008 | CN100385601C Forced-convection asymmetrical radiator |
| 04/29/2008 | US7365493 Device for producing high frequency microwaves |
| 04/29/2008 | US7365291 High voltage input apparatus for magnetron |
| 04/16/2008 | CN101162677A Cathode structure of magnetrons for improved micro-wave oven |
| 04/16/2008 | CN100382225C Pulse magnetron |
| 04/03/2008 | WO2005017939A3 Ribbon-beam travelling wave amplifier with a single-sided slow-wave structure |
| 04/02/2008 | CN100378897C Magnetron |
| 03/26/2008 | CN201041771Y Mould cavity for producing magnetism control tube and magnet |
| 03/20/2008 | WO2008033947A2 Microscale high-frequency vacuum electrical device |
| 03/20/2008 | US20080067941 Shielding of integrated circuit package with high-permeability magnetic material |
| 03/13/2008 | US20080061700 Microscale high-frequency vacuum electrical device |
| 03/04/2008 | US7339320 Standing wave particle beam accelerator |
| 03/04/2008 | US7339146 Low cost microwave over components manufactured from conductively doped resin-based materials |
| 02/05/2008 | US7327088 Magnetron |
| 01/31/2008 | US20080024065 Fast ferroelectric phase shift controller for accelerator cavities |
| 01/24/2008 | WO2008010858A2 Coupling light of light emitting resonator to waveguide |