RL

Robert J. Littrell

VT Vesper Technologies: 16 patents #1 of 10Top 10%
QU Qualcomm: 15 patents #1,425 of 12,104Top 15%
University of Michigan: 8 patents #201 of 4,352Top 5%
Overall (All Time): #91,611 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 25 most recent of 36 patents

Patent #TitleCo-InventorsDate
12405622 Voltage detector in data communication interface Bengt Stefan Gustavsson, Louis Dominic Oliveira, Tomer Saraf, Ganesh Kiran, William Wei-Ting KUO 2025-09-02
12216746 Biometric authentication using voice accelerometer Mathew Crowley 2025-02-04
12058939 Piezoelectric MEMS microphone Karl Grosh 2024-08-06
12010488 Microphone having a digital output determined at different power consumption levels 2024-06-11
11950052 Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer Karl Grosh 2024-04-02
11930334 Piezoelectric MEMS device with an adaptive threshold for detection of an acoustic stimulus Michael Carfore, Shuwan Xue 2024-03-12
11899039 Piezoelectric accelerometer with wake function 2024-02-13
11892466 Piezoelectric accelerometer with wake function 2024-02-06
11871664 Staggering of openings in electrodes for crack mitigation Karl Grosh 2024-01-09
11800299 Transducer system with configurable acoustic overload point Ronald Gagnon 2023-10-24
11726105 Piezoelectric accelerometer with wake function 2023-08-15
11716906 MEMS process power 2023-08-01
11696078 Robust MEMS microphone Craig Core, Hamid Basaeri 2023-07-04
11665968 Piezoelectric MEMS microphone Karl Grosh 2023-05-30
11617048 Microphone having a digital output determined at different power consumption levels 2023-03-28
11617041 Piezoelectric MEMS device for producing a signal indicative of detection of an acoustic stimulus Ronald Gagnon, Karl Grosh 2023-03-28
11438706 Robust MEMS microphone Craig Core, Hamid Basaeri 2022-09-06
11418882 Piezoelectric MEMS device with an adaptive threshold for detection of an acoustic stimulus Michael Carfore, Shuwan Xue 2022-08-16
11363387 Transducer system with configurable acoustic overload point Ronald Gagnon 2022-06-14
11259124 Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer Karl Grosh 2022-02-22
11217741 MEMS process power 2022-01-04
11099078 Acoustic sensor with temperature structure Yu Hui, Craig Core, Ronald Gagnon 2021-08-24
11088315 Piezoelectric MEMS microphone Karl Grosh 2021-08-10
10964880 Piezoelectric MEMS microphone Karl Grosh 2021-03-30
10917727 Transducer system with configurable acoustic overload point Ronald Gagnon 2021-02-09