For the Inventor, By the Inventor

Enter assignee name

Cupertino, CA, United States of America

Tropian, Inc.

USPTO Granted Patents = 50

% Expired Patents = 2.0

Trademarks = 1

Forward Citations = 1,680

Loading Chart...

Loading Chart...

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

50 Patents

#13 in Cupertino, CA

#1,646 in California

#6,999 in US

#13,996 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)

Please report any incorrect information to [email protected]

Loading…