Patent assignee · US · COMPANY

CHIRP Microsystems Inc.

18Patents
18Active
18Granted
52Portfolio score

Filing activity: Apr 28, 2016 → Aug 21, 2020

Most-cited patents

PatentTitleAreaCited byStatus
US10293377B2 Micromachined ultrasonic transducers with a slotted membrane structure Performing Operations; Transporting 7 Active
US10712444B1 Ultrasonic input device Physics 3 Active
US10901064B2 Ultrasonic beacon tracking Physics 3 Active
US10634544B1 Ultrasonic short range moving object detection Physics 3 Active
US11005025B1 Piezoelectric micromachined ultrasonic transducers with low stress sensitivity and methods of fabrication Physics 2 Active
US11209541B1 Estimating a location of an object in close proximity to an ultrasonic transducer Physics 2 Active
US11292030B2 Piezoelectric micromachined ultrasonic transducers having stress relief features Electricity 2 Active
US10545219B2 Three dimensional object-localization and tracking using ultrasonic pulses Electricity 2 Active
US10562069B2 Piezoelectric micromachined ultrasonic transducers using two bonded substrates Electricity 2 Active
US10700792B2 Programmable ultrasonic transceiver Electricity 1 Active
US10751755B1 Piezoelectric micromachined ultrasonic transducers having differential transmit and receive circuitry Performing Operations; Transporting 1 Active
US10573289B2 Package waveguide for acoustic sensor with electronic delay compensation Electricity 1 Active
US11016167B2 Three dimensional object-localization and tracking using ultrasonic pulses Electricity 1 Active
US10324181B2 Miniature micromachined ultrasonic rangefinder Physics 1 Active
US10566949B2 Micromachined ultrasound transducer using multiple piezoelectric materials Electricity 1 Active
US10816639B2 Three dimensional object-localization and tracking using ultrasonic pulses Electricity 0 Active
US11209533B2 Quadrature amplitude modulation circuitry for ultrasonic transducer Physics 0 Active
US10944320B2 Efficient on-chip high-voltage driver circuit for ultrasonic transducer Emerging Cross-Sectional Technologies 0 Active

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