Harbor City, CA, United States of America

Kei-Fung Lau

This inventor holds 8 USPTO granted patents. Top assignee: Trw Limited. Active years: 1981-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei-Fung Lau. Retrieved from https://idiyas.com/inventor/kei-fung-lau

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 122(Granted Patents)


Location History:

  • Harbor City, CA (US) (1981 - 1994)
  • Rolling Hills Estates, CA (US) (2001)

Company Filing History:


Years Active: 1981-2001

Loading Chart...
8 patents (USPTO):Explore Patents

Title: Innovator Kei-Fung Lau: Pioneering Advancements in Acoustic Technology

Introduction

Kei-Fung Lau, an inventive mind based in Harbor City, California, has made significant strides in the field of acoustic technology. With a remarkable portfolio of 8 patents, Lau's work showcases a commitment to innovation that is paving the way for future technological developments.

Latest Patents

Among his latest inventions are two noteworthy patents. The first, an **Adjustable Saw Device**, features an adjustable surface acoustic wave (SAW) transducer fabricated on a piezoelectric substrate. This adaptable transducer comprises a series of interdigital transducer (IDT) fingers on the substrate, enabling various SAW characteristics to be generated from a single set of IDT fingers through miniature switches managing the interconnection patterns.

The second patent, the **Temperature Stable Semiconductor Bulk Acoustic Resonator**, introduces a semiconductor bulk acoustic resonator that includes a thin film piezoelectric layer. This resonator is equipped with a heating ring around the piezoelectric layer's perimeter, maintaining it at a desired elevated temperature. Complemented by a heat sensing film, this design ensures the piezoelectric layer’s temperature stability, allowing oscillator circuits to maintain constant frequencies across varying conditions.

Career Highlights

Kei-Fung Lau is currently associated with TRW Limited, a company known for its dedication to technology and innovation. Through his work, Lau continues to develop cutting-edge solutions that contribute to the advancement of acoustic technologies.

Collaborations

In his innovative journey, Lau collaborates with talented individuals, including coworkers Kuo-Hsiung Yen and Robert Bruce Stokes. These collaborations play a crucial role in enhancing the creativity and effectiveness of the projects Lau undertakes.

Conclusion

Kei-Fung Lau's contributions to the field of acoustic technology through his innovative patents are commendable. As he continues to push the boundaries of what is possible in this domain, his work serves as an inspiration for aspiring inventors and established innovators alike.

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…