For the Inventor, By the Inventor

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Fremont, CA, United States of America

Exar Corporation

USPTO Granted Patents = 190

% Expired Patents = 19.5

EPO Patents = 2

Trademarks = 4

Forward Citations = 2,238

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131 inventors (with patents filed for the assignee):

Bahram Fotouhi (19 out of 27 patents)

Roubik Gregorian (10 out of 18 patents)

Hung Pham Le (10 out of 11 patents)

4. Aleksandar Prodic (7 out of 33 patents)

5. Kent Kernahan (7 out of 55 patents)

6. Zhenyu Zhao (7 out of 11 patents)

7. Roger A Levinson (7 out of 10 patents)

8. Pekka Ojala (6 out of 6 patents)

9. Vincent S Tso (6 out of 10 patents)

10. Craig N Lambert (6 out of 9 patents)

11. James T Sundby (6 out of 7 patents)

12. Aleksandar Prodić (5 out of 5 patents)

13. Zdravko Lukic (5 out of 5 patents)

14. Richard Leigh Gower (5 out of 5 patents)

15. Nam Duc Nguyen (5 out of 9 patents)

Core Competencies:

AC Direct Drive

CMOS Circuits

Multi-Channel Interface

Digital PWM Controller

Data Transfer

Analog-to-Digital Converter

Voltage Regulation

Signal Processing

ESD Protection

Thermal Management

Clock Generation

Data Deduplication

190 patents: Sort by Forward Citations

1. 10426008 - AC direct drive system for light emitting diodes with ultra-low flicker, low harmonic distortion, dimming compatibility and power line regulation (2019-09-24),

2. 10418989 - Adaptive body biasing in CMOS circuits to extend the input common mode operating range (2019-09-17),

3. 10267662 - Method and apparatus for multi-channel sensor interface with programmable gain, offset and bias (2019-04-23),

4. 10201053 - AC direct drive system for light emitting diodes with ultra-low flicker, low harmonic distortion, dimming compatibility and power line regulation (2019-02-05),

5. 10103728 - Adaptive body biasing in CMOS circuits to extend the input common mode operating range (2018-10-16),

6. 10060773 - Method and apparatus for multi-channel sensor interface with programmable gain, offset and bias (2018-08-28),

7. 10056890 - Digital controlled oscillator based clock generator for multi-channel design (2018-08-21),

8. 9829356 - Method and apparatus for multi-channel sensor interface with programmable gain, offset and bias (2017-11-28),

9. 9020087 - All digital burst-mode clock and data recovery (CDR) (2015-04-28),

10. 8868674 - Streaming and bulk data transfer transformation with context switching (2014-10-21),

11. 8867682 - Dejitter (desynchronize) technique to smooth gapped clock with jitter/wander attenuation using all digital logic (2014-10-21),

12. 8810981 - Sequential electrostatic discharge (ESD)-protection employing cascode NMOS triggered structure (2014-08-19),

13. 8536842 - Sensorless self-tuning digital current programmed mode (CPM) controller with multiple parameter estimation and thermal stress equalization (2013-09-17),

14. 8525502 - Digital pulse-frequency modulation controller for switch-mode power supplies with frequency targeting and ultrasonic modes (2013-09-03),

15. 8476882 - Reference voltage based equivalent series resistance (ESR) emulation for constant on-time (COT) control of buck regulators (2013-07-02),

Company Overview

Exar Corporation, headquartered in Fremont, CA, specializes in digital circuit design, focusing on advanced technologies such as AC direct drive and CMOS circuits. The company develops solutions that enhance data transfer and signal processing, including multi-channel interfaces and digital PWM controllers. Exar's expertise extends to voltage regulation and analog-to-digital converters, positioning it as a key player in the semiconductor industry, particularly in applications requiring precision and efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

190 Patents

#13 in Fremont, CA

#471 in California

#2,163 in US

#4,432 in the World

Fremont, CA, United States of America

Exar Corporation

Forward Citations = 2,238

131 inventors:

Bahram Fotouhi (19 out of 27 patents)

Roubik Gregorian (10 out of 18 patents)

Hung Pham Le (10 out of 11 patents)

4. Aleksandar Prodic (7 out of 33 patents)

5. Kent Kernahan (7 out of 55 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Exar Corporation. Retrieved from https://idiyas.com/company/exar

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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