Qingdao, China

Huaihua Xu

This inventor holds 1 USPTO granted patent. Top assignee: Sien (Qingdao) Integrated Circuits Co., Ltd. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Huaihua Xu. Retrieved from https://idiyas.com/inventor/huaihua-xu

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Huaihua Xu - Innovator in Trench Gate Structures

Introduction

Huaihua Xu is a notable inventor based in Qingdao, China. He has made significant contributions to the field of integrated circuits, particularly through his innovative patent related to trench gate structures. His work aims to enhance the reliability and performance of electronic devices.

Latest Patents

Huaihua Xu holds a patent for a trench gate structure and a method of forming the same. The patent outlines a method that involves creating a first trench on the surface of a substrate. The bottom surface of this trench features a crystal face from the first family of crystal faces, while the sidewall presents another crystal face from a second family. The invention employs face-selective wet etching to reveal a specific crystal face on the trench bottom, followed by the formation of a thicker gate oxide layer through thermal oxidation. This approach helps to prevent failures associated with thinner gate oxide layers, increases breakdown voltage, and ultimately improves the reliability of the device. He has 1 patent to his name.

Career Highlights

Huaihua Xu is currently employed at Sien (Qingdao) Integrated Circuits Co., Ltd. His role at the company allows him to apply his innovative ideas and contribute to advancements in integrated circuit technology. His expertise in trench gate structures positions him as a valuable asset in the field.

Collaborations

Some of Huaihua Xu's coworkers include Min-Hwa Chi and Longkang Yang. Their collaboration fosters a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Huaihua Xu's contributions to the field of integrated circuits, particularly through his patent on trench gate structures, highlight his role as an influential inventor. His work not only enhances device reliability but also showcases the importance of innovation 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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