Hong Kong, China

Raymond Wai Hang Chu

This inventor holds 13 USPTO granted patents. Top assignee: Defond Manufacturing Limited. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Raymond Wai Hang Chu. Retrieved from https://idiyas.com/inventor/raymond-wai-hang-chu

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 7

Forward Citations = 167(Granted Patents)


Company Filing History:


Years Active: 2001-2004

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13 patents (USPTO):Explore Patents

Title: Innovations by Raymond Wai Hang Chu: A Pioneer in Electrical Switch Technology

Introduction: Raymond Wai Hang Chu is a notable inventor based in Hong Kong, China. With a total of 13 patents to his name, he has made significant contributions to the field of electrical engineering, particularly in the development of electrical switch technologies.

Latest Patents: Among his latest inventions, Raymond has developed an innovative electrical switch that features a unique casing and at least two fixed contacts paired with a corresponding moving contact. This moving contact is designed with two parts that can independently interact with the fixed contacts, allowing for a seamless on-off functionality of the switch. The design incorporates a spring that maintains tension on the moving contact, which is movable at an acute angle relative to the fixed contacts, ensuring reliable operation.

Additionally, Raymond's electrical switch assembly for controlling appliances integrates two electrical elements: the first being an on/off switch, and the second a pressure-sensitive variable resistor. This exceptional design enables users to adjust the appliance's operating conditions based on pressure applied, thereby enhancing overall efficiency.

Career Highlights: Raymond is currently employed at Defond Manufacturing Limited, where he has been instrumental in pioneering advancements in electrical switch technology. His dedication to innovation has earned him recognition within his field, and his patents continue to influence the manufacturing and design of electrical components.

Collaborations: Throughout his career, Raymond has collaborated with various professionals and institutions, contributing to the enhancement of electrical engineering solutions. His partnerships have led to the successful development of multiple patented designs, embodying a commitment to innovation and practical applications.

Conclusion: Raymond Wai Hang Chu stands out as a significant figure in the realm of electrical inventions. His impressive portfolio of patents reflects his passion for innovation and his dedication to improving electrical switch technology. As the industry evolves, Raymond continues to be a driving force behind groundbreaking advancements that aim to enhance functionality and efficiency in various applications.

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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