Inventor · Helsinki, FI

Julius Koskela

47Patents
8h-index
17Co-inventors
72Inventor score

Filing activity: Oct 27, 2003 → May 6, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US10826462B2 Transversely-excited film bulk acoustic resonators with molybdenum conductors Electricity 214 Active
US10998882B2 XBAR resonators with non-rectangular diaphragms Electricity 126 Active
US10992282B1 Transversely-excited film bulk acoustic resonators with electrodes having a second layer of variable width Electricity 110 Active
US11146232B2 Transversely-excited film bulk acoustic resonator with reduced spurious modes Electricity 105 Active
US11114996B2 Transversely-excited film bulk acoustic resonators with molybdenum conductors Electricity 52 Active
US11143561B2 Passive microphone/pressure sensor using a piezoelectric diaphragm Electricity 52 Active
US7310388B2 Direct conversion receiver and receiving method Electricity 9 Expired
US7453934B2 Automatic receiver calibration with noise and fast fourier transform Electricity 8 Active
US6937848B2 Method and device for digital-to-RF conversion Electricity 7 Expired
US10862454B1 Film bulk acoustic resonators in thin LN-LT layers Electricity 3 Active
US11881834B2 Transversely-excited film bulk acoustic resonator with reduced spurious modes Electricity 3 Active
US10944380B1 Film bulk acoustic resonators in thin LN-LT layers Electricity 2 Active
US11855602B2 Transversely-excited film bulk acoustic resonators with electrodes having a second layer of variable width Electricity 1 Active
US11929735B2 XBAR resonators with non-rectangular diaphragms Electricity 1 Active
US11901878B2 Transversely-excited film bulk acoustic resonators with two-layer electrodes with a wider top layer Electricity 0 Active
US11296677B2 Fast, highly accurate, full-FEM surface acoustic wave simulation Physics 0 Active
US10840875B2 Surface acoustic wave devices using beryllium conductors Electricity 0 Active
US11942922B2 Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch Electricity 0 Active
US11728786B2 Fast, highly accurate, full-FEM surface acoustic wave simulation Physics 0 Active
US11909381B2 Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer Electricity 0 Active
US11736090B2 Film bulk acoustic resonators in thin LN-LT layers Electricity 0 Active
US11929727B2 Transversely-excited film bulk acoustic resonator with reduced spurious modes Electricity 0 Active
US11182522B2 Hierarchical cascading in FEM simulations of SAW devices Electricity 0 Active
US12088281B2 Transversely-excited film bulk acoustic resonator with multi-mark interdigital transducer Electricity 0 Active
US11831289B2 Transversely-excited film bulk acoustic resonator with reduced spurious modes Electricity 0 Active

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