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For the Inventor, By the Inventor

Whippany, NJ, United States of America

Richard J Lisco

This inventor holds 7 USPTO granted patents. Top assignees: At&t Bell Laboratories, Bell Telephone Laboratories, American Telephone & Telegraph Co., At&t Bell Laboratories. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard J Lisco. Retrieved from https://idiyas.com/inventor/richard-j-lisco

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 79(Granted Patents)


Location History:

  • Whippany, NJ (US) (1978 - 1987)
  • Township of Hanover, Morris County, NJ (US) (1992)

Company Filing History:

goldMedal3 out of 3,345 
 
At&t Bell Laboratories
 patents
silverMedal3 out of 2,714 
 
Bell Telephone Laboratories
 patents
bronzeMedal1 out of 745 
 
American Telephone & Telegraph Co., At&t Bell Laboratories
 patents

Years Active: 1978-1992

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7 patents (USPTO):Explore Patents
1. 5146079 - Broadband optical receiver with active bias feedback circuit (1992-09-08),
2. 4677632 - Coupled loop controller for a laser transmitter (1987-06-30),
3. 4571506 - LED Driver Circuit (1986-02-18),
4. 4500844 - Ringing signal generator employing delta-modulation power amplification (1985-02-19),
5. 4336467 - Voltage detector (1982-06-22),
6. 4164713 - Dual mode telephone subscriber loop current detector (1979-08-14),
7. 4087646 - Dual mode telephone subscriber loop current detector (1978-05-02),

Title: Richard J Lisco: Innovator in Optical Technology

Introduction

Richard J Lisco is a notable inventor based in Whippany, NJ (US), recognized for his contributions to optical technology. He holds a total of 7 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Among his latest patents, Lisco has developed a broadband optical receiver with an active bias feedback circuit. This invention exhibits low noise and distortion characteristics, enhancing the performance of optical communication systems. The active bias feedback circuit stabilizes the quiescent operating currents of a low noise amplifier coupled to the receiver photodetector. Additionally, he has patented a coupled loop controller for a laser transmitter. This technology maintains the power output from a laser transmitter within predetermined levels, ensuring consistent performance despite variations in ambient temperature.

Career Highlights

Lisco has had a distinguished career, working with prestigious organizations such as Bell Telephone Laboratories and AT&T Bell Laboratories. His work in these institutions has significantly advanced the field of telecommunications and optical technology.

Collaborations

Throughout his career, Richard has collaborated with notable professionals, including Stephen Joseph Brolin and Mark Thomas Manfred. These collaborations have contributed to the development of innovative technologies in the optical domain.

Conclusion

Richard J Lisco's contributions to optical technology through his patents and career achievements highlight his role as a significant innovator in the field. His work continues to influence advancements in telecommunications and optical systems.

Profile summary based on public USPTO records.
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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