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Murray Hill, NJ, United States of America

At&t Bell Laboratories

USPTO Granted Patents = 3,345

Forward Citations = 119,155

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3,670 inventors (with patents filed for the assignee):

John N McGarvey (35 out of 109 patents)

Greg E Blonder (33 out of 107 patents)

Gary J Grimes (29 out of 73 patents)

4. Arun N Netravali (27 out of 76 patents)

5. David A Miller (22 out of 50 patents)

6. Scott C Knauer (21 out of 24 patents)

7. Corrado Pietro Dragone (19 out of 72 patents)

8. Candido J Arroyo (18 out of 40 patents)

9. Gaylord W Richards (18 out of 35 patents)

10. Michael P Zambelli (18 out of 117 patents)

11. Donald M Genaro (17 out of 115 patents)

12. George J Zydzik (17 out of 41 patents)

13. Won-Tien Tsang (17 out of 45 patents)

14. Erdmann F Schubert (16 out of 22 patents)

15. Alan Huang (16 out of 19 patents)

Core Competencies:

Coded Modulation

Optical Waveguide

Quantum Well Modulation

Integrated Circuit Layers

Optical Fiber Apparatus

Superconductor Structures

Digital Block Processor

Laser Welding

Planar Waveguides

Telecommunications Call Paths

Echo Reduction Techniques

Semiconductor Fabrication

3,345 patents: Sort by Forward Citations

1. 5544328 - Coded modulation with unequal error protection (1996-08-06),

2. 5486263 - Etching a diamond body with a molten or partially molten metal (1996-01-23),

3. 5442693 - Integrated operator console (1995-08-15),

4. 5441013 - Method for growing continuous diamond films (1995-08-15),

5. 5436756 - Suppressed photocurrent, quantum well optical modulation device (1995-07-25),

6. 5434876 - Article comprising an optical waveguide laser (1995-07-18),

7. 5434403 - Method and apparatus for reading bar codes with a television camera (1995-07-18),

8. 5413954 - Method of making a silicon-based device comprising surface plasma (1995-05-09),

9. 5412716 - System for efficiently powering repeaters in small diameter cables (1995-05-02),

10. 5406620 - Method of allocating international transit traffic among a plurality of (1995-04-11),

11. 5402516 - Optical fiber apparatus (1995-03-28),

12. 5387269 - Methods for making planar waveguides with removal of a sacrifical member (1995-02-07),

13. 5384826 - Distributed packetized switching cellular radio telephone communication (1995-01-24),

14. 5384810 - Modulo decoder (1995-01-24),

15. 5384806 - Modem with time-invariant echo path (1995-01-24),

AT&T Bell Laboratories (commonly called Bell Labs) is a renowned research and development organization, known for its significant contributions to the field of telecommunications and technology. Originally established in 1925 as the research division of American Telephone and Telegraph (AT&T), Bell Labs has been at the forefront of innovation, pioneering breakthroughs such as the invention of transistors, the UNIX operating system, C programming language, etc. With a rich history of technological advancements, Bell Labs continues to drive cutting-edge research in areas like artificial intelligence, cloud computing, network systems, and more, shaping the future of telecommunications and industry solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

3,345 Patents

#2 in Murray Hill, NJ

#9 in New Jersey

#129 in US

#272 in the World

Murray Hill, NJ, United States of America

At&t Bell Laboratories

Forward Citations = 119,155

3,670 inventors:

John N McGarvey (35 out of 109 patents)

Greg E Blonder (33 out of 107 patents)

Gary J Grimes (29 out of 73 patents)

4. Arun N Netravali (27 out of 76 patents)

5. David A Miller (22 out of 50 patents)

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