II-VI INCORPORATED

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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 13689
 
  
 
H01S DEVICES USING STIMULATED EMISSION7236
 
  
 
H04B TRANSMISSION 37173
 
  
 
H04J MULTIPLEX COMMUNICATION 25100
 
  
 
C30B SINGLE-CRYSTAL GROWTH 2036
 
  
 
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 19114
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS891
 
  
 
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 794
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 672
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR661

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0321,345 Large Diameter Silicon Carbide Single Crystals and Apparatus and Method of Manufacture ThereofMay 02, 17Nov 09, 17[C01B, C30B]
2017/0317,463 Compact Optical Fiber AmplifierJul 13, 17Nov 02, 17[H01S]
2017/0301,914 Immobilized Selenium, a Method of Making, and Uses of Immobilized Selenium in a Rechargeable BatteryFeb 16, 17Oct 19, 17[H01M]
2017/0253,963 Method of Efficient Coaxial Delivery of Microwaves into a Mode Stabilized Resonating Chamber for the Purpose of Deposition of Microwave Plasma CVD Polycrystalline Diamond FilmsFeb 28, 17Sep 07, 17[C23C, H01J]
2016/0373,154 Electronic Device Housing Utilizing A Metal Matrix CompositeJun 07, 16Dec 22, 16[H04M, H04B, H05K, C22C]
2016/0274,321 Flexible Structured Optical ModulesMar 19, 16Sep 22, 16[G02B]
2016/0177,441 Apparatus and Method of Manufacturing Free Standing CVD Polycrystalline Diamond FilmsDec 11, 15Jun 23, 16[C23C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9846280 Monolithic two-dimensional optical fiber arrayJan 29, 16Dec 19, 17[G02B]
9812375 Composite substrate with alternating pattern of diamond and metal or metal alloyFeb 01, 16Nov 07, 17[H01L]
9806486 Optical amplifier moduleMar 17, 16Oct 31, 17[H04B, G02B, H01S]
9752955 Edge propagating optical time domain reflectometer and method of using the sameJun 30, 15Sep 05, 17[G01J, G01M, G01N, H04B, G02B, G01B]
9722387 Compact optical fiber amplifierMar 16, 16Aug 01, 17[H01S]
9645291 Voltage-tunable optical filters for instrumentation applicationsApr 18, 16May 09, 17[G01J, G01N, G02B]
9628174 Optical channel monitor with integral optical switchJun 30, 15Apr 18, 17[H04Q, H04B, G02B, H04J]
9601900 Method and apparatus for determining optical fibre characteristicsJul 01, 13Mar 21, 17[G01M, H01S]
9580837 Method for silicon carbide crystal growth by reacting elemental silicon vapor with a porous carbon solid source materialSep 03, 14Feb 28, 17[C30B]
9575340 Electrode configuration for electro-optic modulatorsFeb 23, 16Feb 21, 17[B05D, B28B, G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0097,143 Axial Gradient Transport (AGT) Growth Process and Apparatus Utilizing Resistive HeatingAbandonedDec 14, 15Apr 07, 16[C23C, C30B]
2014/0341,583 Reconfigurable Optical Add-Drop MultiplexerAbandonedAug 04, 14Nov 20, 14[H04J]
2013/0265,634 Raman AmplifiersAbandonedDec 20, 11Oct 10, 13[H01S]
8449671 Fabrication of SiC substrates with low warp and bowExpiredJun 26, 08May 28, 13[C30B]
2013/0120,831 OPTICAL AMPLIFIERSAbandonedMay 11, 11May 16, 13[H01S]
2012/0314,289 Optical Device Assembly Having A Cavity That Is Sealed To Be Moisture-ResistantAbandonedJun 06, 12Dec 13, 12[B23P, G02B]
2012/0315,002 Etalon Assembly Having An All-Glass Outer HousingAbandonedJun 06, 12Dec 13, 12[B23P, G02B]
2012/0285,370 SUBLIMATION GROWTH OF SIC SINGLE CRYSTALSAbandonedSep 14, 10Nov 15, 12[C30B]
2012/0268,709 TUNABLE OPTICAL FILTERS WITH LIQUID CRYSTAL RESONATORSAbandonedApr 20, 11Oct 25, 12[G02F]
8294980 Delay line interferometer with liquid crystal tuning elementExpiredAug 20, 10Oct 23, 12[H04B, G02F]
8294981 Optical amplifiers using switched filter devicesExpiredSep 15, 09Oct 23, 12[H04B]
2011/0303,884 SiC Crystals Having Spatially Uniform Doping ImpuritiesAbandonedAug 25, 11Dec 15, 11[H01B]
8014067 High extinction ratio and low crosstalk compact optical switchesExpiredFeb 02, 09Sep 06, 11[G02B]
7949257 System and method for tunable chromatic dispersion compensationExpiredNov 12, 07May 24, 11[H04B, H04J]
7885546 Method and apparatus for transparent Ethernet multiplexing and demultiplexingExpiredOct 23, 07Feb 08, 11[H04J]
7826055 Optical channel analyzer with variable filterExpiredMar 09, 07Nov 02, 10[G01N]
2010/0014,858 Reduction Of Packet Loss Through Optical Layer ProtectionAbandonedJul 15, 08Jan 21, 10[H04J]
2009/0220,788 METHOD FOR SYNTHESIZING ULTRAHIGH-PURITY SILICON CARBIDEAbandonedDec 07, 06Sep 03, 09[C01B, B32B]
7547360 Reduction of carbon inclusions in sublimation grown SiC single crystalsExpiredSep 27, 07Jun 16, 09[C30B]
2009/0053,125 Stabilizing 4H Polytype During Sublimation Growth Of SiC Single CrystalsAbandonedAug 19, 08Feb 26, 09[C01B, C30B]

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