logo

For the Inventor, By the Inventor

Fort Collins, CO, United States of America

Dao-Long Chen

This inventor holds 20 USPTO granted patents, primarily in Phase-Locked Loops. Top assignees: At&t Global Information Solutions Company, Hyundai Electronics America, Inc., Lsi Logic Corporation. Active years: 1993-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dao-Long Chen. Retrieved from https://idiyas.com/inventor/dao-long-chen

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

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 13

Forward Citations = 612(Granted Patents)


Company Filing History:

goldMedal7 out of 164 
 
At&t Global Information Solutions Company
 patents
silverMedal7 out of 195 
 
Hyundai Electronics America, Inc.
 patents
bronzeMedal7 out of 3,715 
 
Lsi Logic Corporation
 patents
4. 5 out of 4,492 
 
Ncr Corporation
 patents
5. 5 out of 85 
 
Symbios Logic Inc.
 patents
6. 1 out of 31 
 
Symbios, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1993-2003

Loading Chart...
Areas of Expertise:
Phase-Locked Loop
Data Recovery
High-Speed Circuit
Jitter Transfer Function
Serial Bus
Clock Signal Generation
Charge Pump Circuit
Bit Error Rate Test
Phase Detector
Current Controlled Oscillator
Voltage Tolerance
Digital Data Transmission
20 patents (USPTO):Explore Patents
1. 6606365 - Modified first-order digital PLL with frequency locking capability (2003-08-12),
2. 6531927 - Method to make a phase-locked loop's jitter transfer function independent of data transition density (2003-03-11),
3. 6405270 - Method and apparatus for increasing data rates between nodes of a serial bus (2002-06-11),
4. 6385236 - Method and Circuit for testing devices with serial data links (2002-05-07),
5. 6359486 - Modified phase interpolator and method to use same in high-speed, low power applications (2002-03-19),
6. 6061261 - Wall outlet with direct current output (2000-05-09),
7. 6041090 - Data sampling and recover in a phase-locked loop (PLL) (2000-03-21),
8. 5990716 - Method and system for recovering digital data from a transmitted (1999-11-23),
9. 5850422 - Apparatus and method for recovering a clock signal which is embedded in (1998-12-15),
10. 5754080 - Single-edge triggered phase detector (1998-05-19),
11. 5726991 - Integral bit error rate test system for serial data communication links (1998-03-10),
12. 5675620 - High-frequency phase locked loop circuit (1997-10-07),
13. 5563782 - Wall outlet with direct current output (1996-10-08),
14. 5477180 - Circuit and method for generating a clock signal (1995-12-19),
15. 5463352 - Supply voltage tolerant phase-locked loop circuit (1995-10-31),

Title: Inventor Dao-Long Chen: Pioneering Innovations in Fort Collins

Introduction: Dao-Long Chen is a visionary inventor based in Fort Collins, Colorado, known for her groundbreaking contributions to various fields of technology and science.

Latest Patents: Dao-Long Chen holds several patents in the areas of renewable energy, sustainable agriculture, and biotechnology, showcasing her commitment to creating a more sustainable future.

Career Highlights: With a career spanning over two decades, Dao-Long Chen has worked with leading research institutions and universities to develop cutting-edge technologies that have the potential to revolutionize industries.

Collaborations: Throughout her career, Dao-Long Chen has collaborated with top companies, innovative startups, and renowned experts in the field, fostering a culture of innovation and knowledge-sharing.

Conclusion: Dao-Long Chen's passion for innovation and her relentless pursuit of excellence continue to inspire the next generation of inventors and researchers worldwide.

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]
Loading…