For the Inventor, By the Inventor

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Cupertino, CA, United States of America

Tropian, Inc.

Calculating rank

USPTO Granted Patents = 50

% Expired Patents = 2.0

Trademarks = 1

Forward Citations = 1,680

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23 inventors (with patents filed for the assignee):

Wendell B Sander (22 out of 109 patents)

Earl William McCune, Jr (12 out of 74 patents)

Ronald A Meck (11 out of 20 patents)

4. Earl W McCune (11 out of 24 patents)

5. Stephan Vincent Schell (8 out of 87 patents)

6. Brian Sander (4 out of 26 patents)

7. Nigel J Tolson (4 out of 9 patents)

8. Kenneth R Cioffi (3 out of 15 patents)

9. Robert J Bayruns (3 out of 26 patents)

10. John F Sevic (2 out of 10 patents)

11. Thomas E Biedka (2 out of 32 patents)

12. Gary Lang Do (2 out of 10 patents)

13. Richard W D Booth (2 out of 15 patents)

14. James G Judkins (1 out of 16 patents)

15. Wayne S Lee (1 out of 24 patents)

Core Competencies:

Impedance Matching

Power Control

Modulation

Switched-Mode Amplifiers

Frequency Synthesis

Phase Lock Loop

High-Efficiency

Digital Sampling

RF Choke

Signal Amplifiers

Oscillator Circuit

Notch Filter

50 patents: Sort by Forward Citations

1. 7071792 - Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance (2006-07-04),

2. 7054385 - Reduction of average-to-minimum power ratio in communications signals (2006-05-30),

3. 7042958 - Digital time alignment in a polar modulator (2006-05-09),

4. 7042282 - Power control and modulation of switched-mode power amplifiers with one or more stages (2006-05-09),

5. 7038536 - Power supply processing for power amplifiers (2006-05-02),

6. 7035604 - Communications signal amplifiers having independent power control and amplitude modulation (2006-04-25),

7. 7027545 - Data sampler for digital frequency/phase determination (2006-04-11),

8. 7026797 - Extremely high-speed switchmode DC-DC converters (2006-04-11),

9. 7020230 - Frequency synthesizer for dual mode receiver (2006-03-28),

10. 7012984 - PLL noise smoothing using dual-modulus interleaving (2006-03-14),

11. 7010276 - Communications signal amplifiers having independent power control and amplitude modulation (2006-03-07),

12. 6995613 - Power distribution and biasing in RF switch-mode power amplifiers (2006-02-07),

13. 6983025 - High quality power ramping in a communications transmitter (2006-01-03),

14. 6969984 - Direct phase and frequency demodulation (2005-11-29),

15. 6924695 - Power supply processing for power amplifiers (2005-08-02),

Company Overview

Tropian, Inc., based in Cupertino, CA, specializes in advanced RF amplification technologies. The company focuses on developing high-efficiency solutions that encompass impedance matching, power control, and modulation techniques. Their expertise extends to switched-mode amplifiers, frequency synthesis, and phase lock loop technologies, enabling innovative applications across various sectors. Tropian is dedicated to pushing the boundaries of digital sampling and RF performance, contributing to the evolution of communication and signal processing technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

50 Patents

#13 in Cupertino, CA

#1,650 in California

#7,014 in US

#14,028 in the World

Cupertino, CA, United States of America

Tropian, Inc.

Forward Citations = 1,680

23 inventors:

Wendell B Sander (22 out of 109 patents)

Earl William McCune, Jr (12 out of 74 patents)

Ronald A Meck (11 out of 20 patents)

4. Earl W McCune (11 out of 24 patents)

5. Stephan Vincent Schell (8 out of 87 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tropian, Inc.. Retrieved from https://idiyas.com/company/tropian

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

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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