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For the Inventor, By the Inventor

Lincroft, NJ, United States of America

Hung-Hsiang J Chao

This inventor holds 14 USPTO granted patents. Top assignee: Bell Communications Research, Inc.. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hung-Hsiang J Chao. Retrieved from https://idiyas.com/inventor/hung-hsiang-j-chao

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 13

Forward Citations = 617(Granted Patents)


Location History:

  • Borough of Madison, NJ (US) (1989)
  • Madison, NJ (US) (1989 - 1990)
  • Lincroft, NJ (US) (1991 - 1995)

Company Filing History:

goldMedal14 out of 670 
 
Bell Communications Research, Inc.
 patents

Years Active: 1989-1995

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14 patents (USPTO):Explore Patents
1. 5381407 - Method and system for controlling user traffic to a fast packet (1995-01-10),
2. 5313579 - B-ISDN sequencer chip device (1994-05-17),
3. 5278828 - Method and system for managing queued cells (1994-01-11),
4. 5204882 - Service clock recovery for variable bit rate services (1993-04-20),
5. 5197064 - Distributed modular packet switch employing recursive partitioning (1993-03-23),
6. 5179552 - Crosspoint matrix switching element for a packet switch (1993-01-12),
7. 5124978 - Grouping network based non-buffer statistical multiplexor (1992-06-23),
8. 5079763 - Customer premises network node access protocol (1992-01-07),
9. 5050164 - Optical customer premises network (1991-09-17),
10. 5007070 - Service clock recovery circuit (1991-04-09),
11. 4893306 - Method and apparatus for multiplexing circuit and packet traffic (1990-01-09),
12. 4855999 - DTDM multiplexer with cross-point switch (1989-08-08),
13. 4833673 - Time division multiplexer for DTDM bit streams (1989-05-23),
14. 4819226 - Framer circuit for use in a DTDM network (1989-04-04),

Title: Innovations of Hung-Hsiang J Chao

Introduction

Hung-Hsiang J Chao is a notable inventor based in Lincroft, NJ (US). He has made significant contributions to the field of telecommunications, particularly in packet switching systems. With a total of 14 patents to his name, Chao's work has had a profound impact on how user traffic is managed in broadband networks.

Latest Patents

Among his latest patents is a method and system for controlling user traffic to a fast packet switching system using the leaky bucket scheme. This innovative method involves receiving packets, each associated with an arrival time, and storing them in a first memory. A credit manager circuit then determines whether a stored packet complies with predetermined traffic parameters, ensuring efficient traffic management. Another significant patent is the B-ISDN sequencer chip device, designed for use in broadband integrated service digital networks. This device controls user traffic at both the user-network interface and the network-node surface interface, utilizing a traffic enforcer and a queue manager to optimize data flow.

Career Highlights

Chao has been associated with Bell Communications Research, Inc., where he has furthered his research and development efforts in telecommunications. His work has been instrumental in advancing technologies that enhance network performance and reliability.

Collaborations

Chao has collaborated with notable colleagues such as Lanny Starkes Smoot and Sang H Lee, contributing to various projects that push the boundaries of telecommunications technology.

Conclusion

Hung-Hsiang J Chao's innovative contributions to packet switching and network management have established him as a key figure in the telecommunications industry. His patents reflect a commitment to improving user traffic control and enhancing network efficiency.

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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