Hong Kong, China

Chi Keung Law

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Johnson Electric S.a., Johnson Electric International Ag. Active years: 2016-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chi Keung Law. Retrieved from https://idiyas.com/inventor/chi-keung-law

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2016-2019

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Chi Keung Law

Introduction

Chi Keung Law is a notable inventor based in Hong Kong, China. He has made significant contributions to the field of engineering, particularly in the development of low-voltage direct current motors and rolling bearing retainers. With a total of three patents to his name, Law's work exemplifies innovation and practical application in modern technology.

Latest Patents

One of Chi Keung Law's latest patents is a low-voltage direct current motor. This motor features a stator and a rotor that rotates relative to the stator. The rotor includes a rotary shaft, a rotor core fixed to the shaft, a commutator adjacent to the rotor core, and rotor windings that are electrically connected to the commutator. The stator is designed with a round housing and a permanent magnet mounted on its inner surface. The motor operates with an input voltage ranging from 7 to 36V, and the ratio of the outer diameter of the rotor core to the outer diameter of the housing is between 67% and 75%.

Another significant patent by Law is a retainer for a rolling bearing. This fastening device includes a bearing mounting portion located at the end of a motor housing, a rolling bearing housed within the mounting portion, and a retainer ring positioned between the inner surface of the mounting portion and the outer ring of the rolling bearing. The retainer ring is designed to be resiliently deformable in the radial direction, ensuring that the rolling bearing is securely fastened to the motor housing.

Career Highlights

Chi Keung Law has worked with prominent companies in the industry, including Johnson Electric S.A. and Johnson Electric International AG. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Law has collaborated with talented individuals such as Ming Cen Lu and Ngai Ming Leung. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Chi Keung Law's contributions to the field of engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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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