Emhiser Research Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03G CONTROL OF AMPLIFICATION 448
 
  
 
H01C RESISTORS325
 
  
 
H04B TRANSMISSION 2208
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143
 
  
 
H03C MODULATION 125
 
  
 
H03F AMPLIFIERS 182
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9824801 Dual resolution potentiometerNov 30, 16Nov 21, 17[H01C]
9787271 Method and system for providing automatic gate bias and bias sequencing for field effect transistorsFeb 19, 15Oct 10, 17[H03F, H03G]
9741478 Multi-resolution potentiometerJan 13, 17Aug 22, 17[H01C]
9558870 Dual resolution potentiometerSep 11, 14Jan 31, 17[H01C]
8963643 Method and system for providing automatic gate bias and bias sequencing for field effect transistorsJan 07, 14Feb 24, 15[H03F, H03G]
8624675 Method and system for providing automatic gate bias and bias sequencing for field effect transistorsMay 28, 12Jan 07, 14[H03G]
8188794 Method and system for providing automatic gate bias for field effect transistorsMar 25, 11May 29, 12[H03G]
7637479 Hydraulic pumping cylinder and method of pumping hydraulic fluidApr 24, 08Dec 29, 09[B25B]
5802462 FM-PM receivers with frequency deviation compressionJan 11, 96Sep 01, 98[H04B]
5497509 FM-PM receivers with increased sensitivityNov 27, 91Mar 05, 96[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6771133 Phase-locked oscillator with improved digital integratorExpiredJun 12, 02Aug 03, 04[H03L]
6417738 Adaptive frequency-hopping oscillatorsExpiredJul 15, 99Jul 09, 02[H03L]
6411237 Nonlinear digital-to-analog convertersExpiredMar 31, 00Jun 25, 02[H03M]
6404292 Voltage controlled oscillators with reduced incidental frequency modulation and use in phase locking oscillatorsExpiredFeb 26, 99Jun 11, 02[H03B]
5426466 Composite video signal with audioExpiredDec 31, 92Jun 20, 95[H04N]
5097230 Phase locked loop that includes D. C. modulationExpiredOct 16, 90Mar 17, 92[H03L, H04B, H03C]
5091706 Phase locked loop with D.C. modulation and use in receiverExpiredMay 24, 90Feb 25, 92[H03L, H04B, H03C]

Top Inventors for This Owner

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