Leonard Eugene Fennell

USPTO Granted Patents = 10 (Patent Applications = 8)

CIPO Patents = 2

EPO Patents = 4 (Patent Applications = 6)

Average Co-Inventor Count = 6.6

ph-index = 5

Forward Citations = 173(Granted Patents)

Company Filing History:

6 out of 41,326

Qualcomm Incorporated

Snaptrack Incorporated

patents

Years Active: 2016-2025

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10 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12327426 - Ultrasonic fingerprint sensor for under-display applications (2025-06-10),

2. 12274025 - Method for fabricating MEMS-based cooling systems (2025-04-08),

3. 12052924 - Method and system for fabricating a piezoelectric device (2024-07-30),

4. 11710678 - Combined architecture for cooling devices (2023-07-25),

5. 11063203 - Apparatus and method for poling a piezoelectric film (2021-07-13),

6. 11003884 - Fingerprint sensor device and methods thereof (2021-05-11),

7. 10036734 - Ultrasonic sensor with bonded piezoelectric layer (2018-07-31),

8. 9945818 - Ultrasonic authenticating button (2018-04-17),

9. 9551783 - Display with backside ultrasonic sensor array (2017-01-24),

10. 9323393 - Display with peripherally configured ultrasonic biometric sensor (2016-04-26),

Title: Leonard Eugene Fennell: Innovator in Ultrasonic Technology

Introduction

Leonard Eugene Fennell is a prominent inventor based in San Jose, California. He holds a total of 10 patents, showcasing his significant contributions to the field of technology. His work primarily focuses on advancements in ultrasonic sensors and cooling systems.

Latest Patents

One of Fennell's latest patents is for an ultrasonic fingerprint sensor designed for under-display applications. This invention includes methods, devices, and systems that allow a display device to incorporate an ultrasonic fingerprint sensor beneath the display. The sensor is capable of transmitting and receiving ultrasonic waves through an acoustic path, ensuring effective functionality. Additionally, he has developed a method for fabricating MEMS-based cooling systems. This method involves creating a laminate of sheets that form cooling cells, which utilize vibrational motion to drive fluid, enhancing cooling efficiency.

Career Highlights

Fennell has worked with notable companies such as Qualcomm Incorporated and Frore Systems Inc. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies.

Collaborations

Throughout his career, Fennell has collaborated with talented individuals, including Suryaprakash Ganti and Kostadin Dimitrov Djordjev. These partnerships have fostered innovation and the development of advanced technologies.

Conclusion

Leonard Eugene Fennell is a distinguished inventor whose work in ultrasonic technology and cooling systems has made a significant impact in the tech industry. His patents reflect his commitment to innovation and excellence in engineering.

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