IFOS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 24181
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 1153
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9823137 Fiber optic temperature sensor insert for high temperature environmentsNov 30, 13Nov 21, 17[G01K, G01J]
9110259 Interleaved aliased AWG filter for continuous wideband wavelength discriminationFeb 06, 15Aug 18, 15[G02B]
8983250 AWG filter for wavelength interrogatorMar 14, 13Mar 17, 15[G01J, G02B]
8257991 Process for manufacturing shell membrane force and deflection sensorMar 07, 11Sep 04, 12[H01L, G01J, G01L, G02B]
7903907 Force and deflection sensor with shell membrane and optical gratings and method of manufactureApr 10, 08Mar 08, 11[G01J, G01L, G02B]
7346240 Integrated fiber tap monitor with variable optical attenuatorDec 01, 03Mar 18, 08[G02B]
7133582 Fiber-optic filter with tunable gratingDec 04, 03Nov 07, 06[G02B]
7127132 Cascade fiber-optic grating-based sensor apparatus and methodMar 08, 04Oct 24, 06[G02B]
7087887 Optical multiphase flow sensorOct 29, 03Aug 08, 06[G02B]
7085452 Optical devices having WGM cavity coupled to side-polished portMar 18, 04Aug 01, 06[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8649847 Steerable shape sensing biopsy needle and catheterExpiredSep 18, 09Feb 11, 14[A61M]
8571409 Wavelength-multiplexed optical controller using a ring architectureExpiredNov 11, 11Oct 29, 13[H04B, H04J]
8402834 Fiber optic pressure sensor based on differential signalingExpiredFeb 12, 10Mar 26, 13[G01L]
8165469 Cascade and ring measurement sensor with fixed and variant wavelength encodingExpiredJan 20, 09Apr 24, 12[H04J]
7492994 Integrated fiber tap monitor with variable optical attenuatorExpiredJan 07, 08Feb 17, 09[G02B]
6912343 Adjustable fiber optical filtersExpiredOct 09, 02Jun 28, 05[G02B]
6895132 Multiplexable fiber-optic strain sensor system with temperature compensation capabilityExpiredApr 24, 03May 17, 05[G02B, G01B]
6788835 Multiplexable fiber-optic strain sensor system with temperature compensation capabilityExpiredApr 24, 03Sep 07, 04[G02B, G01B]
6771874 Tension-assisted mounting of fibers on a substrateExpiredMay 17, 02Aug 03, 04[G02B]
6751367 Multiplexable fiber-optic strain sensor system with temperature compensation capabilityExpiredApr 24, 03Jun 15, 04[G02B, G01B]
6744948 Fiber tap monitor based on evanescent couplingExpiredJun 20, 02Jun 01, 04[G02B]
6719608 Fabrication of devices with fibers engaged to grooves on substratesExpiredApr 19, 02Apr 13, 04[B24B]
6690857 Fiber devices having side evanescent coupling portExpiredDec 03, 02Feb 10, 04[G02B]
6625349 Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiberExpiredJun 12, 01Sep 23, 03[G02B]
6621951 Thin film structures in devices with a fiber on a substrateExpiredJun 27, 01Sep 16, 03[G02B]
6621952 In-fiber variable optical attenuators and modulators using index-changing liquid mediaExpiredAug 10, 01Sep 16, 03[G02B]

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