For the Inventor, By the Inventor

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Scottsdale, AZ, United States of America

Crestcom, Inc.

USPTO Granted Patents = 34

% Expired Patents = 73.5

EPO Patents = 1

Forward Citations = 581

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2 inventors (with patents filed for the assignee):

Ronald Duane McCallister (34 out of 75 patents)

Eric Martin Brombaugh (19 out of 27 patents)

Ronald D Mccallister (0 patent)

Core Competencies:

PAPR Management

Distortion Compensation

RF Power Amplifier

Transmitter Linearization

Signal Control

Envelope Tracking

Digital RF Communications

Transceiver Compensation

Adaptive Control

Bias Adjustment

34 patents: Sort by Forward Citations

1. 10270637 - Communication system with PAPR management using noise-bearing subcarriers (2019-04-23),

2. 9882756 - Communication system with PAPR management using noise-bearing subcarriers (2018-01-30),

3. 9093960 - Transmitter and method with RF power amplifier having predistorted bias (2015-07-28),

4. 9031520 - Transmitter and method with RF power amplifier having control loop stabilized bias (2015-05-12),

5. 8976896 - Transmitter linearized in response to derivative signal and method therefor (2015-03-10),

6. 8934854 - Transmitter with peak-tracking PAPR reduction and method therefor (2015-01-13),

7. 8934573 - Distortion-compensated RF transmitter and method therefor (2015-01-13),

8. 8909175 - Transmitter and method for RF power amplifier having a bandwidth controlled, detroughed envelope tracking signal (2014-12-09),

9. 8824574 - Transmitting unit that reduces PAPR and method therefor (2014-09-02),

10. 8805298 - Transceiver with compensation for transmit signal leakage and method therefor (2014-08-12),

11. 8804873 - Communication system and method with PAPR; and backoff configured for equilibrium (2014-08-12),

12. 8649743 - Transmitter linearized using inversing and non-inversing transform processing sections and method therefor (2014-02-11),

13. 8615208 - Transmitter linearized in response to signal magnitude derivative parameter and method therefor (2013-12-24),

14. 8611459 - Transmitter linearized using look-up table with unadaptable data and method therefor (2013-12-17),

15. 8605814 - Distortion-compensated RF transmitter and method therefor (2013-12-10),

Company Overview

Crestcom, Inc. is a leader in management training and development, specializing in enhancing leadership skills and business acumen for organizations across various sectors. Based in Scottsdale, AZ, the company focuses on delivering impactful training programs that empower leaders to drive performance and foster a culture of continuous improvement. Crestcom's innovative approach combines experiential learning with proven methodologies, making it a valuable partner for businesses seeking to elevate their leadership capabilities and achieve sustainable growth.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

34 Patents

#31 in Scottsdale, AZ

#118 in Arizona

#10,022 in US

#19,651 in the World

Scottsdale, AZ, United States of America

Crestcom, Inc.

Forward Citations = 581

2 inventors:

Ronald Duane McCallister (34 out of 75 patents)

Eric Martin Brombaugh (19 out of 27 patents)

Ronald D Mccallister (0 patent)

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

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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