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Murray Hill, NJ, United States of America

Bell Telephone Laboratories

USPTO Granted Patents = 2,714

Forward Citations = 56,571

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2,231 inventors (with patents filed for the assignee):

Donald M Genaro (44 out of 115 patents)

John N McGarvey (34 out of 109 patents)

Gordon E Sylvester (25 out of 59 patents)

4. Andrew H Bobeck (23 out of 25 patents)

5. Arun N Netravali (21 out of 76 patents)

6. Harold Seidel (19 out of 23 patents)

7. Alfred Yi Cho (18 out of 85 patents)

8. Hyman J Levinstein (18 out of 34 patents)

9. Herman M Presby (15 out of 74 patents)

10. Ivan P Kaminow (15 out of 29 patents)

11. Peter Dinh-Tuan Ngo (15 out of 17 patents)

12. Paul A Kohl (15 out of 21 patents)

13. Edwin Arthur Chandross (14 out of 56 patents)

14. Yu S Yeh (13 out of 24 patents)

15. Ralph A Logan (13 out of 21 patents)

Core Competencies:

Photonic-Integrated-Circuit

Fiber Alignment

Diversity Receiver

Bipolar Transistor

Optical Package

Equalizer

Communications System

Microcomputer

Phased Array Antenna

Voice Switching

Error Correction

High Speed Optical Switch

2,714 patents: Sort by Forward Citations

1. 5147825 - Photonic-integrated-circuit fabrication process (1992-09-15),

2. 5132829 - Tone spacing and power level monitor for FSK lightwave systems (1992-07-21),

3. 5109392 - Diversity receiver arrangement for digital signals (1992-04-28),

4. H000763 - Submicron bipolar transistor with edge contacts (1990-04-02),

5. 4908772 - Integrated circuits with component placement by rectilinear partitioning (1990-03-13),

6. H000665 - Resistive field shields for high voltage devices (1989-07-31),

7. 4837129 - Process for producing conductor patterns on three dimensional articles (1989-06-06),

8. 4800485 - On-line documentation facility (1989-01-24),

9. H000551 - Optical package with improved fiber alignment fixture (1988-12-05),

10. 4773034 - Adaptive equalizer utilizing a plurality of multiplier-accumulator (1988-09-20),

11. 4759039 - Simplified recovery of data signals from quadrature-related carrier (1988-07-19),

12. 4759037 - Passband equalization of modulated quadrature-related carrier signals (1988-07-19),

13. 4759036 - Decision-directed control circuit (1988-07-19),

14. 4752590 - Method of producing SOI devices (1988-06-21),

15. 4742548 - Unidirectional second order gradient microphone (1988-05-03),

Company Overview

Bell Telephone Laboratories, located in Murray Hill, NJ, is a renowned research and development organization specializing in optical communication technologies. The lab focuses on advancing photonic-integrated-circuit designs, fiber alignment techniques, and diversity receiver systems. With a strong emphasis on innovation, Bell Labs also explores core technologies such as bipolar transistors, optical packaging, equalizers, and communications systems, contributing significantly to the evolution of microcomputer applications and telecommunications infrastructure.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2,714 Patents

#3 in Murray Hill, NJ

#14 in New Jersey

#179 in US

#353 in the World

Murray Hill, NJ, United States of America

Bell Telephone Laboratories

Forward Citations = 56,571

2,231 inventors:

Donald M Genaro (44 out of 115 patents)

John N McGarvey (34 out of 109 patents)

Gordon E Sylvester (25 out of 59 patents)

4. Andrew H Bobeck (23 out of 25 patents)

5. Arun N Netravali (21 out of 76 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bell Telephone Laboratories. Retrieved from https://idiyas.com/company/bell-telephone-laboratories

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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