NEARFIELD SYSTEMS INCORPORATED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS594
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H01Q AERIALS 1109
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 1187

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9379834 Time space coherence interferometerApr 30, 13Jun 28, 16[H04B, H04W, G01S, H04J]
6545440 High precision cartesian robot for a planar scannerJun 04, 01Apr 08, 03[G05B]
6193334 Thermal control apparatus for two-axis measurement systemSep 18, 98Feb 27, 01[H01Q]
6034763 Dual beam laser device for linear and planar alignmentOct 13, 98Mar 07, 00[G01B]
5881470 Vertical tower for a two-axis measurement systemAug 21, 96Mar 16, 99[G01B]
5838430 Dual beam laser device for linear and planar alignmentJul 03, 96Nov 17, 98[141., G01B]
5419631 Three-axis motion tracking interferometer for measurement and correction of positional errors between an article under test and a measurement probeJan 12, 94May 30, 95[G01B]
5408318 Wide range straightness measuring stem using a polarized multiplexed interferometer and centered shift measurement of beam polarization componentsAug 02, 93Apr 18, 95[G01B]

Expired/Abandoned/Withdrawn Patents

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