Taipei, Taiwan

Lei-Lung Tsai

This inventor holds 4 USPTO granted patents. Top assignee: Darfon Electronics Corporation. Active years: 2010-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lei-Lung Tsai. Retrieved from https://idiyas.com/inventor/lei-lung-tsai-un56saew

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Taipei County, TW (2010 - 2012)
  • Sinjhuang, TW (2011 - 2012)

Company Filing History:


Years Active: 2010-2012

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4 patents (USPTO):Explore Patents

Title: Lei-Lung Tsai: Innovator in Keyswitch and Membrane Circuit Board Technology

Introduction

Lei-Lung Tsai is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of keyswitches and membrane circuit boards. With a total of 4 patents to his name, Tsai continues to push the boundaries of innovation in his industry.

Latest Patents

Among his latest inventions is a keyswitch that features a unique design comprising a key cap, a base, a first support member, a second support member, and a link member. This innovative keyswitch design includes a first restraining portion and a third restraining portion, which work together to enhance the functionality of the device. The second and fourth restraining portions are strategically positioned to ensure optimal performance when the key cap is pressed.

Another notable patent is his membrane circuit board, which includes a substrate with multiple first signal pins and a second signal pin. This design allows for high error tolerance and improved quality control efficiency, making it a valuable advancement in circuit board technology.

Career Highlights

Lei-Lung Tsai is currently employed at Darfon Electronics Corporation, where he applies his expertise in electronics to develop cutting-edge technologies. His work has garnered attention in the industry, and he is recognized for his innovative approach to problem-solving.

Collaborations

Throughout his career, Tsai has collaborated with talented individuals such as Wen-Yu Tsai and Shih-Wen Chiu. These collaborations have contributed to the successful development of his patents and have fostered a creative environment for innovation.

Conclusion

In summary, Lei-Lung Tsai is a distinguished inventor whose work in keyswitch and membrane circuit board technology has made a significant impact in the electronics field. His innovative designs and collaborative efforts continue to inspire advancements in technology.

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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