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For the Inventor, By the Inventor

Los Altos Hills, CA, United States of America

Yiu-Fai Chan

This inventor holds 15 USPTO granted patents. Top assignees: Altera Corporation, Rambus Inc., Intersil Corporation. Active years: 1984-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yiu-Fai Chan. Retrieved from https://idiyas.com/inventor/yiu-fai-chan

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

USPTO Granted Patents = 15

% Patents Active = 86.7

Average Co-Inventor Count = 4.0

ph-index = 14

Forward Citations = 1,882(Granted Patents)


Location History:

  • Saratoga, CA (US) (1984 - 1992)
  • Los Altos Hills, CA (US) (1991 - 2007)

Company Filing History:

goldMedal8 out of 4,334 
 
Altera Corporation
 patents
silverMedal6 out of 2,959 
 
Rambus Inc.
 patents
bronzeMedal1 out of 166 
 
Intersil Corporation
 patents

Years Active: 1984-2007

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15 patents (USPTO):Explore Patents
1. 7308065 - Delay locked loop circuitry for clock delay adjustment (2007-12-11),
2. 7039147 - Delay locked loop circuitry for clock delay adjustment (2006-05-02),
3. 6539072 - Delay locked loop circuitry for clock delay adjustment (2003-03-25),
4. 6125157 - Delay-locked loop circuitry for clock delay adjustment (2000-09-26),
5. 6047346 - System for adjusting slew rate on an output of a drive circuit by (2000-04-04),
6. 5945862 - Circuitry for the delay adjustment of a clock signal (1999-08-31),
7. 5111423 - Programmable interface for computer system peripheral circuit card (1992-05-05),
8. 5066873 - Integrated circuits with reduced switching noise (1991-11-19),
9. 4969121 - Programmable integrated circuit logic array device having improved (1990-11-06),
10. 4930107 - Method and apparatus for programming and verifying programmable elements (1990-05-29),
11. 4774421 - Programmable logic array device using EPROM technology (1988-09-27),
12. 4713792 - Programmable macrocell using eprom or eeprom transistors for (1987-12-15),
13. 4617479 - Programmable logic array device using EPROM technology (1986-10-14),
14. 4609986 - Programmable logic array device using EPROM technology (1986-09-02),
15. 4486670 - Monolithic CMOS low power digital level shifter (1984-12-04),

Title: Innovator Spotlight: Yiu-Fai Chan

Introduction: Yiu-Fai Chan is a remarkable inventor based in Los Altos Hills, California, known for his significant contributions to the field of electronics. With a prolific record of 15 patents, Chan has been at the forefront of developing innovative technologies that enhance the efficiency and functionality of data communication systems.

Latest Patents: Chan's latest inventions reflect his expertise in delay locked loop circuitry. One of his recent patents describes a receiver designed to be coupled to a data bus, utilizing first and second delay-locked loops for clock delay adjustment. The first loop generates multiple phase vectors from a reference clock, while the second loop produces the receive clock using selected phase vectors. Another patent elaborates on circuitry designed to establish a precise phase relationship between two clocks. This innovative design includes a first delay-locked loop that adjusts unit delays to span a specific phase shift in the input clock, and a second loop that selects a pair of phase vectors to create an output clock with controlled delay. These advancements facilitate flexibility in phase relationships, enhancing synchronization in electronic devices.

Career Highlights: Throughout his career, Yiu-Fai Chan has held positions at esteemed companies such as Altera Corporation and Rambus Inc., where he has collaborated on various cutting-edge projects that push the boundaries of technology. His extensive experience in the electronics industry has established him as a noted figure among inventors.

Collaborations: Chan has collaborated with other accomplished professionals, including Robert F. Hartmann and Kevin S. Donnelly. Together, they have contributed to innovations that not only advance their respective fields but also inspire future generations of engineers and inventors.

Conclusion: Yiu-Fai Chan exemplifies the spirit of innovation through his dedication to developing sophisticated technologies that improve electronic communication systems. With numerous patents to his name, his work continues to play a vital role in shaping the future of electronics. Chan's legacy as an inventor will undoubtedly inspire others to explore the endless possibilities within the realm of technology and patents.

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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