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For the Inventor, By the Inventor

Fremont, CA, United States of America

Exar Corporation


USPTO Granted Patents = 190

% Expired Patents = 19.5


Trademarks = 4

Forward Citations = 2,238

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131 inventors (with patents filed for the assignee):

goldMedal Bahram Fotouhi (19 out of 27 patents)

silverMedal Roubik Gregorian (10 out of 18 patents)

bronzeMedal 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Exar Corporation
190 Patents

#13 in Fremont, CA

#470 in California

#2,161 in US

#4,426 in the World

Fremont, CA (US)
Fremont, CA, United States of America

Exar Corporation

Forward Citations = 2,238

131 inventors:

goldMedal Bahram Fotouhi (19 out of 27 patents)

silverMedal Roubik Gregorian (10 out of 18 patents)

bronzeMedal Hung Pham Le (10 out of 11 patents)

4.  Aleksandar Prodic (7 out of 33 patents)

5.  Kent Kernahan (7 out of 55 patents)

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