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Austin, TX, United States of America

Legerity, Inc.

USPTO Granted Patents = 122

% Expired Patents = 8.2

Forward Citations = 1,682

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103 inventors (with patents filed for the assignee):

Eugen Gershon (13 out of 33 patents)

Chien-Meen Hwang (12 out of 33 patents)

Terry Lynn Cole (10 out of 42 patents)

4. David James Borland (9 out of 57 patents)

5. Yan Zhou (8 out of 69 patents)

6. Jin Li (8 out of 9 patents)

7. Maged F Barsoum (8 out of 15 patents)

8. Muoi V Huynh (8 out of 12 patents)

9. John G Bartkowiak (7 out of 47 patents)

10. Hungming Chang (7 out of 10 patents)

11. Vijayakumaran Velayudhan Nair (7 out of 15 patents)

12. Russell J Apfel (6 out of 44 patents)

13. David N Larson (6 out of 7 patents)

14. Jagannathan Bharath (6 out of 9 patents)

15. Alfredo R Linz (5 out of 24 patents)

Core Competencies:

Optical Isolator

Integrated Circuit

Impedance Feedback

Bipolar Transistor

Voice Detection

Signal Processing

Data Transmission

Adaptive Transmission

Frequency Diversity

Telephony Device

Current Sensing

Microprocessor Control

122 patents: Sort by Forward Citations

1. 7326582 - Optical isolator device, and method of making same (2008-02-05),

2. 7273776 - Methods of forming a P-well in an integrated circuit device (2007-09-25),

3. 7260210 - Unbalanced slic with a built-in ring circuit (2007-08-21),

4. 7254229 - Method and apparatus for an active impedance feedback (2007-08-07),

5. 7253498 - Bipolar transistor with geometry optimized for device performance, and method of making same (2007-08-07),

6. 7239695 - Method and apparatus for detecting line card threshold (2007-07-03),

7. 7239640 - Method and apparatus for controlling ATM streams (2007-07-03),

8. 7215764 - Current sensing echo cancellation device (2007-05-08),

9. 7190784 - Method and apparatus for adaptive DC level control (2007-03-13),

10. 7181002 - Method and apparatus for a single power supply for dual power mode (2007-02-20),

11. 7180098 - Optical isolator device, and method of making same (2007-02-20),

12. 7141478 - Multi-stage EPI process for forming semiconductor devices, and resulting device (2006-11-28),

13. 7130413 - Microprocessor-controlled full-duplex speakerphone using automatic gain control (2006-10-31),

14. 7113590 - Method and apparatus for a differential feedback in an active impedence feedback circuit (2006-09-26),

15. 7088835 - Wavetable audio synthesizer with left offset, right offset and effects volume control (2006-08-08),

Legerity, Inc. is a technology company based in Austin, Texas, specializing in telecommunications technology. The company focuses on developing advanced solutions that enhance data transmission and signal processing capabilities. Its core technologies include optical isolators, integrated circuits, and impedance feedback systems, which are essential for improving communication efficiency. Legerity's innovations also encompass bipolar transistors and voice detection technologies, positioning the company as a key player in the telecommunications sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

122 Patents

#25 in Austin, TX

#172 in Texas

#3,171 in US

#6,551 in the World

Austin, TX, United States of America

Legerity, Inc.

Forward Citations = 1,682

103 inventors:

Eugen Gershon (13 out of 33 patents)

Chien-Meen Hwang (12 out of 33 patents)

Terry Lynn Cole (10 out of 42 patents)

4. David James Borland (9 out of 57 patents)

5. Yan Zhou (8 out of 69 patents)

Please report any incorrect information to [email protected]

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