Boston, Massachusetts
United States
19
2024-01-09
The entities that hold a legal rights for patent applications filed by inventor Littrell Robert J.:
Robert J. Littrell from Boston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Staggering of openings in electrodes for crack mitigation
#2 | 2022-12-08Piezoelectric MEMS device with an adaptive threshold for detection of an acoustic stimulus
#3 | 2022-10-06Piezoelectric accelerometer with wake function
#4 | 2022-09-29Piezoelectric accelerometer with wake function
#5 | 2022-08-04Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer
#6 | 2022-06-23MEMS process power
#7 | 2021-12-09Biometric authentication using voice accelerometer
#8 | 2020-12-31Piezoelectric accelerometer with wake function
#9 | 2020-11-03Piezoelectric micro-electro-mechanical systems (MEMS) device with a beam strengthening physical element
#10 | 2020-10-29Piezoelectric MEMS device for producing a signal indicative of detection of an acoustic stimulus
#11 | 2020-09-17Microphone having a digital output determined at different power consumption levels
#12 | 2020-09-17Piezoelectric MEMS device with an adaptive threshold for detection of an acoustic stimulus
#13 | 2020-02-18Staggering of openings in electrodes for crack mitigation
#14 | 2019-09-12Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer
#15 | 2019-04-11Plate Spring
#16 | 2019-03-28Piezoelectric mems device for producing a signal indicative of detection of an acoustic stimulus
#17 | 2018-06-19Adjusting resonant frequencies based on feedback networks
#18 | 2017-05-25Acoustic filtering
#19 | 2015-09-24Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer
1300609 ⎘