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For the Inventor, By the Inventor

Felton, CA, United States of America

Stephen James Franck

This inventor holds 39 USPTO granted patents and 12 published patent applications, primarily in Power Amplifiers. Top assignees: Qorvo US, Inc., Infineon Technologies North America Corp., Agere Systems Inc.. Active years: 1995-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen James Franck. Retrieved from https://idiyas.com/inventor/stephen-james-franck

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 39 

% Patents Active = 82.1

Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 430(Granted Patents)


Location History:

  • Santa Cruz, CA (US) (2006)
  • Felton, CA (US) (1995 - 2022)

Company Filing History:

goldMedal12 out of 1,231 
 
Qorvo US, Inc.
 patents
silverMedal9 out of 244 
 
Infineon Technologies North America Corp.
 patents
bronzeMedal8 out of 2,316 
 
Agere Systems Inc.
 patents
4. 4 out of 10 
 
Rf Micro Devices (Cayman Islands), Ltd.
 patents
5. 2 out of 15,027 
 
Infineon Technologies Ag
 patents
6. 1 out of 11 
 
Amalfi Semiconductor Corporation
 patents
7. 1 out of 1 
 
Gec Plessey Semiconductor, Inc.
 patent
8. 1 out of 117 
 
Infineon Technologies LLC
 patents
9. 1 out of 19 
 
Siemens Microelectronics Limited
 patents

Years Active: 1995-2026

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Areas of Expertise:
Power Amplifier
Protection Circuit
Signal Conversion
Acoustic Filter
Voltage Regulator
Transconductance
Calibration Technique
Variable-Gain Amplifier
ESD Surge Protection
Magneto-Resistive Heads
Analog Front End
Differential Signals
39 patents (USPTO):Explore Patents
1. 12738900 - Protection circuit for acoustic filter and power amplifier stage (2026-09-15),
2. 12695428 - Power protection loop for amplifier chain elements (2026-07-28),
3. 12683485 - Ripple reduction for direct current-to-direct current (DC-DC) converters (2026-07-14),
4. 12368418 - Power amplifier using multi-path common-mode feedback loop (2025-07-22),
5. 12273076 - Power amplifier with protection loop (2025-04-08),
6. 12170507 - Protection circuit for acoustic filter and power amplifier stage (2024-12-17),
7. 11342889 - Power amplifier system (2022-05-24),
8. 11201467 - Reduced flyback ESD surge protection (2021-12-14),
9. 10903800 - Power amplifier system (2021-01-26),
10. 10734953 - Power amplifier system (2020-08-04),
11. 10659031 - Radio frequency switch (2020-05-19),
12. 10560060 - Linear CMOS PA with low quiescent current and boosted maximum linear output power (2020-02-11),
13. 8749309 - Gate-based output power level control power amplifier (2014-06-10),
14. 8629725 - Power amplifier having a nonlinear output capacitance equalization (2014-01-14),
15. 8624678 - Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing (2014-01-07),

As a visit to idiyas.com, you are greeted by an article titled "The Innovative Mind of Stephen James Franck."

Introduction: Stephen James Franck, a prolific inventor based in Felton, CA, has left a significant mark in the field of patents with an impressive count of 33 to his name.

Latest Patents: Among his recent creations is a unique Power Amplifier System that features cross-coupled bias circuitry for enhanced performance. Additionally, he has developed a groundbreaking invention in Reduced Flyback ESD Surge Protection, showcasing his knack for solving complex technical challenges.

Career Highlights: Stephen James Franck has showcased his talents at renowned companies such as Infineon Technologies North America Corp. and Agere Systems Inc., where his innovative spirit thrived, leading to the creation of numerous patents that have shaped the industry.

Collaborations: Throughout his career, Stephen has collaborated with talented individuals in the field, including colleagues like Baker P Scott and George Adrian Maxim, highlighting his ability to work effectively in a team setting to bring ideas to life.

Conclusion: In conclusion, Stephen James Franck's innovative contributions have significantly impacted the technological landscape, and his novel inventions continue to inspire and push the boundaries of what is possible in the world of patents and inventions.

Would you like to explore more inventors and their groundbreaking creations on idiyas.com?

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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