Patent assignee · US · COMPANY

Sandia Corporation

1,789Patents
859Active
1,789Granted
58Portfolio score

Filing activity: May 31, 1988 → Jan 21, 2020 · 365 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6576064B2 Support apparatus for semiconductor wafer processing Electricity 509 Expired
US5867302A Bistable microelectromechanical actuator Emerging Cross-Sectional Technologies 509 Expired
US5355880A Reliable noninvasive measurement of blood gases Emerging Cross-Sectional Technologies 495 Expired
US5494032A Oximeter for reliable clinical determination of blood oxygen saturation in a fetus Physics 394 Expired
US5630413A Reliable noninvasive measurement of blood gases Emerging Cross-Sectional Technologies 356 Expired
US7335972B2 Heterogeneously integrated microsystem-on-a-chip Electricity 336 Expired
US6750391B2 Aternating current photovoltaic building block Emerging Cross-Sectional Technologies 310 Expired
US7257237B1 Real time markerless motion tracking using linked kinematic chains Physics 310 Expired
US6687571B1 Cooperating mobile robots Physics 285 Expired
US6052287A Silicon ball grid array chip carrier Electricity 271 Expired
US7234059B1 Anonymous authenticated communications Electricity 268 Expired
US6046426A Method and system for producing complex-shape objects Emerging Cross-Sectional Technologies 268 Expired
US5793485A Resonant-cavity apparatus for cytometry or particle analysis Physics 266 Expired
US9525398B1 Single crystal micromechanical resonator and fabrication methods thereof Electricity 256 Active
US6993406B1 Method for making a bio-compatible scaffold Human Necessities 254 Expired
US6438456B1 Portable control device for networked mobile robots Physics 250 Expired
US9276557B1 Programmable electroacoustic filter apparatus and method for its manufacture Electricity 242 Active
US6157041A Methods and apparatus for tailoring spectroscopic calibration models Physics 240 Expired
US6384473B1 Microelectronic device package with an integral window Electricity 235 Expired
US6661084B1 Single level microelectronic device package with an integral window Electricity 233 Expired
US6668466B1 Highly accurate articulated coordinate measuring machine Physics 233 Expired
US6057377A Molecular receptors in metal oxide sol-gel materials prepared via molecular imprinting Emerging Cross-Sectional Technologies 231 Expired
US5596992A Multivariate classification of infrared spectra of cell and tissue samples Emerging Cross-Sectional Technologies 231 Expired
US5479033A Complementary junction heterostructure field-effect transistor Electricity 223 Expired
US5493577A Efficient semiconductor light-emitting device and method Electricity 221 Expired

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