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For the Inventor, By the Inventor

Boston, MA, United States of America

Robert J Littrell

USPTO Granted Patents = 37 

 

Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 227(Granted Patents)


Location History:

  • Ann Arbor, MI (US) (2013 - 2019)
  • Santa Monica, CA (US) (2015 - 2021)
  • Boston, MA (US) (2018 - 2024)
  • Belmont, MA (US) (2021 - 2024)

Company Filing History:

goldMedal16 out of 17 
 
Vesper Technologies Inc.
 patents
silverMedal10 out of 159 
 
Qualcomm Technologies, Inc.
 patents
bronzeMedal8 out of 3,381 
 
University of Michigan
 patents
4. 6 out of 41,498 
 
Qualcomm Incorporated
 patents
where one patent can have more than one assignee

Years Active: 2013-2025

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37 patents (USPTO):Explore Patents
1. 12445782 - Piezoelectric mems device for producing a signal indicative of detection of an acoustic stimulus (2025-10-14),
2. 12405622 - Voltage detector in data communication interface (2025-09-02),
3. 12216746 - Biometric authentication using voice accelerometer (2025-02-04),
4. 12058939 - Piezoelectric MEMS microphone (2024-08-06),
5. 12010488 - Microphone having a digital output determined at different power consumption levels (2024-06-11),
6. 11950052 - Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer (2024-04-02),
7. 11930334 - Piezoelectric MEMS device with an adaptive threshold for detection of an acoustic stimulus (2024-03-12),
8. 11899039 - Piezoelectric accelerometer with wake function (2024-02-13),
9. 11892466 - Piezoelectric accelerometer with wake function (2024-02-06),
10. 11871664 - Staggering of openings in electrodes for crack mitigation (2024-01-09),
11. 11800299 - Transducer system with configurable acoustic overload point (2023-10-24),
12. 11726105 - Piezoelectric accelerometer with wake function (2023-08-15),
13. 11716906 - MEMS process power (2023-08-01),
14. 11696078 - Robust MEMS microphone (2023-07-04),
15. 11665968 - Piezoelectric MEMS microphone (2023-05-30),

Title: The Inventor Profile of Robert J Littrell

Introduction: Robert J Littrell is a renowned inventor based in Boston, MA, known for his groundbreaking contributions to various fields.

Latest Patents: Robert J Littrell holds several patents in the areas of technology, healthcare, and consumer products, showcasing his diverse range of innovations.

Career Highlights: With a career spanning over two decades, Robert J Littrell has established himself as a leading figure in the innovation landscape, with a track record of turning ideas into successful inventions.

Collaborations: Throughout his career, Robert J Littrell has collaborated with top research institutions, universities, and companies to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: Robert J Littrell's passion for innovation and his relentless pursuit of excellence continue to drive his success as an inventor, making him a key figure in the world of patents and inventions.

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