Dongguan, China

Ka Leung Chan

This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Defond Electech Co., Ltd. Active years: 2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ka Leung Chan. Retrieved from https://idiyas.com/inventor/ka-leung-chan

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2024

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Innovations of Ka Leung Chan in Key Switch Technology

Introduction

Ka Leung Chan is an innovative inventor based in Dongguan, China. He has made significant contributions to the field of key switch technology. His work focuses on enhancing the functionality and efficiency of key switches through inventive designs.

Latest Patents

Ka Leung Chan holds a patent for a unique linkage structure of a key switch. This invention involves a second key and a fourth key that share one bridge and are connected by a first connecting rod. When either the second key or the fourth key is pressed, the first connecting rod is activated, causing a first bridge metal dome to deform and connect to a common contact piece for conduction. Additionally, a third key and a fifth key share another bridge and are connected by a second connecting rod. Pressing either the third key or the fifth key activates the second connecting rod, leading to the deformation of a second bridge metal dome and connection to the common contact piece for conduction. The design also includes an input terminal connected in series to a fuse, with the second key and the fourth key connected in series to a diode for outputting a rectification half-wave.

Career Highlights

Ka Leung Chan is currently employed at Defond Electech Co., Ltd., where he continues to develop innovative solutions in key switch technology. His work has contributed to advancements in the functionality of electronic devices.

Collaborations

He collaborates with talented coworkers, including Hua Lin Pan and Xiao Yu Lai, who contribute to the innovative environment at Defond Electech Co., Ltd.

Conclusion

Ka Leung Chan's contributions to key switch technology exemplify the spirit of innovation. His patent showcases a practical approach to enhancing key switch functionality, reflecting his commitment to advancing technology in this field.

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…