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For the Inventor, By the Inventor

Lincolnshire, IL, United States of America

Zenith Electronics Corporation


USPTO Granted Patents = 948

% Expired Patents = 2.0



Trademarks = 16

Forward Citations = 17,953

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413 inventors (with patents filed for the assignee):

goldMedal Richard W Citta (104 out of 135 patents)

silverMedal Mark J Fimoff (65 out of 81 patents)

bronzeMedal Gary J Sgrignoli (36 out of 37 patents)

4.  Khosro M Rabii (34 out of 35 patents)

5.  James R Fendley (34 out of 35 patents)

6.  Paul Strauss (32 out of 35 patents)

7.  Wayne E Bretl (31 out of 36 patents)

8.  Robert J Adler (28 out of 51 patents)

9.  Gopal K Srivastava (28 out of 41 patents)

10.  Pierre Dobrovolny (26 out of 31 patents)

11.  Ronald B Lee (24 out of 90 patents)

12.  Thomas J Zato (21 out of 32 patents)

13.  Timothy G Laud (21 out of 29 patents)

14.  Raymond G Capek (20 out of 23 patents)

15.  Lawrence W Dougherty (20 out of 32 patents)


Core Competencies:
LDPC Encoders
Encryption Systems
Signal Processing
OFDM Systems
Channel Estimation
Smart Antenna
Digital Television
Key Management
Timing Recovery
Adaptive Equalizers
Packet Jitter Mitigation

948 patents:

1. 11201731 - Method and apparatus for asymmetric cryptosystem based on quasi-cyclic moderate density parity-check codes over GF(q) (2021-12-14),
2. 9628112 - Apparatus and method for length and rate variable LDPC encoder and decoder using shortening set allocator (2017-04-18),
3. 9584163 - Length and rate compatible LDPC encoder and decoder (2017-02-28),
4. 9392430 - Bonding of receiver to camera based mobile device having connectivity (2016-07-12),
5. 9313069 - OFDM processing system and method (2016-04-12),
6. 9277271 - Wireless network antenna apparatus and method (2016-03-01),
7. 9219629 - Adaptive low complexity channel estimation for mobile OFDM systems (2015-12-22),
8. 9131214 - Diagnostics system for remotely located televisions (2015-09-08),
9. 9001270 - Data analyzing and/or combined main/mobile receiving (2015-04-07),
10. 8811534 - Closed loop power normalized timing recovery for 8 VSB modulated signals (2014-08-19),
11. 8718197 - Code enhanced equalization based upon a reliability factor (2014-05-06),
12. 8681836 - Repeater using baseband data (2014-03-25),
13. 8640001 - Robust digital communication system (2014-01-28),
14. 8542778 - Closed loop power normalized timing recovery for 8 VSB modulated signals (2013-09-24),
15. 8487739 - Television theft deterrence (2013-07-16),
Zenith Electronics Corporation, headquartered in Lincolnshire, Illinois, specializes in advanced digital communication systems. The company is recognized for its innovative work in areas such as LDPC encoders, encryption systems, and signal processing. Zenith's expertise extends to OFDM systems, channel estimation, and smart antenna technologies, contributing significantly to the evolution of digital television and key management solutions. With a focus on enhancing communication efficiency and security, Zenith plays a vital role in the technology landscape.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Zenith Electronics Corporation
948 Patents

#2 in Lincolnshire, IL

#29 in Illinois

#545 in US

#1,074 in the World

Lincolnshire, IL (US)
Lincolnshire, IL, United States of America

Zenith Electronics Corporation

Forward Citations = 17,953

413 inventors:

goldMedal Richard W Citta (104 out of 135 patents)

silverMedal Mark J Fimoff (65 out of 81 patents)

bronzeMedal Gary J Sgrignoli (36 out of 37 patents)

4.  Khosro M Rabii (34 out of 35 patents)

5.  James R Fendley (34 out of 35 patents)

Please report any incorrect information to [email protected]
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