Hong Kong, China

Kwok Chiu Yu

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Defond Holdings (h.k.) Co. Limited, Defond Components Limited. Active years: 2016-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwok Chiu Yu. Retrieved from https://idiyas.com/inventor/kwok-chiu-yu

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

USPTO Granted Patents = 3 

 

Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2016-2018

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3 patents (USPTO):Explore Patents

Title: Innovations by Kwok Chiu Yu in Toilet Technology

Introduction

Kwok Chiu Yu is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of toilet technology, holding a total of 3 patents. His innovative designs focus on improving the functionality and efficiency of toilet systems.

Latest Patents

One of his latest patents is a flush valve assembly and toilet flush system. This assembly is designed for use in a toilet tank that features a drain opening and a valve seat. The valve member is movable relative to the valve seat, acting as a flush valve. It includes an internal chamber that contains water to reduce buoyancy, allowing the valve member to descend and seal against the valve seat effectively. Additionally, the system incorporates a tank refill mechanism and an operating unit for seamless operation. Another patent involves a toilet apparatus that includes a toilet bowl, a reservoir for flushing, and a water jet device. This device generates a water jet to clean users, enhancing hygiene. Furthermore, a thermoelectric heat pump is integrated to extract heat from the reservoir water, increasing the temperature of the water flowing through the conduit.

Career Highlights

Kwok Chiu Yu has worked with reputable companies such as Defond Holdings (H.K.) Co. Limited and Defond Components Limited. His experience in these organizations has contributed to his expertise in developing innovative toilet technologies.

Collaborations

Throughout his career, Kwok has collaborated with talented individuals, including Kai Chi Chan and Alec Kam Lek Quan. These collaborations have likely fostered a creative environment that has led to the development of his patents.

Conclusion

Kwok Chiu Yu's contributions to toilet technology through his innovative patents demonstrate his commitment to enhancing everyday conveniences. His work continues to influence the industry and improve user experiences.

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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