NETCOMSEC CO. LTD.,

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 4124
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150
 
  
 
C25F PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR 117
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5796212 Linear beam microwave tube with planar cold cathode electrode as electron beam sourceOct 30, 96Aug 18, 98[H01J]
5646585 Tunable cavity resonator for a multi-cavity klystronOct 05, 94Jul 08, 97[H01J, H01P]
5557160 Field emission cathode including cylindrically shaped resistive connector and method of manufacturingDec 28, 94Sep 17, 96[H01J]
5466359 Method of manufacturing microwave tube collectorOct 04, 94Nov 14, 95[C23C, C25D, C25F]
5177394 Conduction cooling type multistage collectorJul 23, 91Jan 05, 93[H01J]
5172108 Multilevel image display method and systemFeb 24, 92Dec 15, 92[G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0251,054 COLLECTOR AND ELECTRON TUBEAbandonedMar 16, 09Oct 08, 09[H01J]
2006/0091,776 Electron gunAbandonedOct 18, 05May 04, 06[H01J]
6700543 Antenna element with conductors formed on outer surfaces of device substrateExpiredApr 25, 02Mar 02, 04[H01Q]
6670760 Collector structure of traveling wave tube having a lossy ceramic memberExpiredMay 07, 01Dec 30, 03[H01J]
6369511 Travelling-wave tube amplifierExpiredNov 02, 99Apr 09, 02[H01J]
6291935 Collector structure having a loss ceramic memberExpiredNov 12, 98Sep 18, 01[H01J]

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