Patent assignee · US · COMPANY

INTEVAC, INC.

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121Patents
71Active
121Granted
52Portfolio score

Filing activity: Jul 19, 1976 → Aug 24, 2022 · 17 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6285018A Electron bombarded active pixel sensor Electricity 78 Expired
US5369267A Microchannel image intensifier tube with novel sealing feature Electricity 66 Expired
US5830327A Methods and apparatus for sputtering with rotating magnet sputter sources Electricity 64 Expired
US5215420A Substrate handling and processing system Emerging Cross-Sectional Technologies 64 Expired
US7005637B2 Backside thinning of image array devices Electricity 48 Expired
US5576559A Heterojunction electron transfer device Emerging Cross-Sectional Technologies 43 Expired
US6919001B2 Disk coating system Electricity 42 Expired
US5684360A Electron sources utilizing negative electron affinity photocathodes with ultra-small emission areas Electricity 40 Expired
US6837766B2 Unitary vacuum tube incorporating high voltage isolation Electricity 40 Expired
US5425611A Substrate handling and processing system Emerging Cross-Sectional Technologies 40 Expired
US6307586A Electron bombarded active pixel sensor camera incorporating gain control Electricity 39 Expired
US8975668B2 Backside-thinned image sensor using Al2 O3 surface passivation Electricity 36 Active
US5738767A Substrate handling and processing system for flat panel displays Chemistry; Metallurgy 30 Expired
US5181556A System for substrate cooling in an evacuated environment Emerging Cross-Sectional Technologies 30 Expired
US5523262A Rapid thermal annealing using thermally conductive overcoat Emerging Cross-Sectional Technologies 30 Expired
US5374826A Hybrid photomultiplier tube with high sensitivity Electricity 30 Expired
US5287914A System for substrate cooling in an evacuated environment Emerging Cross-Sectional Technologies 27 Expired
US6005247A Electron beam microscope using electron beam patterns Electricity 25 Expired
US5873989A Methods and apparatus for linear scan magnetron sputtering Electricity 24 Expired
US5253266A MBE effusion source with asymmetrical heaters Chemistry; Metallurgy 24 Expired
US8697553B2 Solar cell fabrication with faceting and ion implantation Emerging Cross-Sectional Technologies 23 Active
US5047821A Transferred electron III-V semiconductor photocathode Electricity 23 Expired
US6517691B1 Substrate processing system Emerging Cross-Sectional Technologies 22 Expired
US5475227A Hybrid photomultiplier tube with ion deflector Electricity 22 Expired
US7901539B2 Apparatus and methods for transporting and processing substrates Electricity 21 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.