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II VI INC
US57 patents
Top patents by PatentIndex Score
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Method of and system for forming SiC crystals having spatially uniform doping impurities
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Method of annealing a sublimation grown crystal
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Large size single crystal seed crystal fabrication by intergrowth of tiled seed crystals
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Silicon carbide single crystals with low boron content
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Method of forming an optically-finished thin diamond film, diamond substrate, or diamond window of high aspect ratio
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Voltage-tunable optical filters for instrumentation applications
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Rare earth-doped fiber amplifier with integral optical metrology functionality
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Vanadium compensated, SI SiC single crystals of NU and PI type and the crystal growth process thereof
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Micro splice protector
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Method of direct solvent extraction of rare earth metals from an aqueous acid-leached ore slurry
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Substrate including a diamond layer and a composite layer of diamond and silicon carbide, and, optionally, silicon
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Axial gradient transport apparatus and process
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Integrated optical tap monitor
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Optical channel monitor with integral optical switch
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Method and apparatus for determining optical fibre characteristics
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Method and apparatus for determining optical fibre characteristics
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Single crystals of lead magnesium niobate-lead titanate
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Large diameter, high quality SiC single crystals, method and apparatus
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Large diameter, high quality SiC single crystals, method and apparatus
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Edge propagating optical time domain reflectometer and method of using the same
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Dual-ganged optical switch
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Optical channel monitor with integral optical switch
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In-service optical time domain reflectometry utilizing raman pump source
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Method for silicon carbide crystal growth by reacting elemental silicon vapor with a porous carbon solid source material
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Electrode configuration for electro-optic modulators
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High-speed pulse discriminating gamma ray camera
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Method of generating patterns on doubly-curved surfaces
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Monitoring and controlling optical nodes
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Reduction of carbon inclusions in sublimation grown SiC single crystals
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Beam combiner and a combiner depolarizer
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Vanadium doped SiC single crystals and method thereof
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Instrument for determining infrared beam vergence
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Substrate comprising a layer of silicon and a layer of diamond having an optically finished (or a dense) silicon-diamond interface
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Composite substrate with alternating pattern of diamond and metal or metal alloy
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Monolithic two-dimensional optical fiber array
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Monolithic two-dimensional optical fiber array
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Edge propagating optical time domain reflectometer and method of using the same
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Immobilized selenium, a method of making, and uses of immobilized selenium in a rechargeable battery
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Highly twinned, oriented polycrystalline diamond film and method of manufacture thereof
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Method and apparatus for depolarizing light
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Multiport tunable optical filters
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Multiport tunable optical filters
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Method of manufacture of free standing microwave plasma CVD polycrystalline diamond films with major dimensions on the order of one wavelength of the utilized microwave
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Optical amplifier module
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Compact optical fiber amplifier
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US7192481B2Mar 20, 2007
Radiation detector
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US7072368B2Jul 4, 2006
Optical contacting method and apparatus
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US11815392B2Nov 14, 2023
Self-levelling piercing sensor in a light guide cable plug connection
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US5012473AApr 30, 1991
Fixed wavelength laser using multiorder halfwave plate
II VI INC2 citations44
Showing the top 50 of 57 patents by PatentIndex Score.