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%
📍 Belmont, MA: #40 of 1,163 inventorsTop 4%
🗺 Massachusetts: #2,253 of 88,656 inventorsTop 3%
Overall (All Time): #91,611 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
10825982 Piezoelectric micro-electro-mechanical systems (MEMS) device with a beam strengthening physical element Karl Grosh, Craig Core, Yu Hui, Wang Kyung Sung 2020-11-03
10771889 Acoustic filtering 2020-09-08
10715922 Piezoelectric mems device for producing a signal indicative of detection of an acoustic stimulus Ronald Gagnon, Karl Grosh 2020-07-14
10566517 Staggering of openings in electrodes for crack mitigation Karl Grosh 2020-02-18
10284960 Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer Karl Grosh 2019-05-07
10170685 Piezoelectric MEMS microphone Karl Grosh 2019-01-01
10001391 Adjusting resonant frequencies based on feedback networks Karl Grosh 2018-06-19
9853201 Piezoelectric MEMS microphone Karl Grosh 2017-12-26
9055372 Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer Karl Grosh 2015-06-09
8896184 Piezoelectric MEMS microphone Karl Grosh 2014-11-25
8531088 Piezoelectric MEMS microphone Karl Grosh 2013-09-10