Inventor · Chapel Hill, NC, US

Ramaswamy Mahadevan

24Patents
16h-index
11Co-inventors
78Inventor score

Filing activity: Jun 30, 1992 → May 23, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5955817A Thermal arched beam microelectromechanical switching array Emerging Cross-Sectional Technologies 171 Expired
US5994816A Thermal arched beam microelectromechanical devices and associated fabrication methods Emerging Cross-Sectional Technologies 116 Expired
US6275320A MEMS variable optical attenuator Performing Operations; Transporting 108 Expired
US6229684A Variable capacitor and associated fabrication method Electricity 99 Expired
US6114794A Thermal arched beam microelectromechanical valve Emerging Cross-Sectional Technologies 87 Expired
US6023121A Thermal arched beam microelectromechanical structure Emerging Cross-Sectional Technologies 76 Expired
US6396975B1 MEMS optical cross-connect switch Physics 57 Expired
US6366186B1 Mems magnetically actuated switches and associated switching arrays Electricity 50 Expired
US5311305A Technique for edge/corner detection/tracking in image frames Electricity 43 Expired
US6333583A Microelectromechanical systems including thermally actuated beams on heaters that move with the thermally actuated beams Electricity 37 Expired
US6324748A Method of fabricating a microelectro mechanical structure having an arched beam Emerging Cross-Sectional Technologies 31 Expired
US6236139A Temperature compensated microelectromechanical structures and related methods Electricity 25 Expired
US6496351B2 MEMS device members having portions that contact a substrate and associated methods of operating Electricity 23 Expired
US6367252B1 Microelectromechanical actuators including sinuous beam structures Electricity 21 Expired
US6360539B1 Microelectromechanical actuators including driven arched beams for mechanical advantage Electricity 16 Expired
US6760144B2 Articulated MEMS electrostatic rotary actuator Physics 16 Expired
US6590313B2 MEMS microactuators located in interior regions of frames having openings therein and methods of operating same Electricity 14 Expired
US6262512A Thermally actuated microelectromechanical systems including thermal isolation structures Electricity 11 Expired
US6618518B1 Microelectromechanical optical cross-connect switches including row and column addressing and methods of operating same Electricity 9 Expired
US6400550B1 Variable capacitors including tandem movers/bimorphs and associated operating methods Performing Operations; Transporting 5 Expired
US6596147B2 Methods of overplating surfaces of microelectromechanical structure Electricity 2 Expired
US8525016B2 Thermoelectric devices including thermoelectric elements having off-set metal pads and related structures, methods, and systems Electricity 1 Active
US9601677B2 Thermoelectric (TE) devices/structures including thermoelectric elements with exposed major surfaces Electricity 1 Active
US10634396B2 Thermoelectric heating/cooling devices including resistive heaters Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.