CHIRP Microsystems Inc.
18Patents
18Active
18Granted
52Portfolio score
Filing activity: Apr 28, 2016 → Aug 21, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.