Munich, Germany

Xiangyu Guo

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: American Air Liquide, Inc.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xiangyu Guo. Retrieved from https://idiyas.com/inventor/xiangyu-guo-wju6f8ls

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Innovations of Xiangyu Guo in Etch Process Technology.

Introduction

Xiangyu Guo is an accomplished inventor based in Munich, Germany. She has made significant contributions to the field of etch process technology, particularly in enhancing selectivity during high aspect ratio (HAR) etching processes. Her innovative approach has garnered attention in the industry.

Latest Patents

Xiangyu Guo holds a patent for a method of running an etch process with higher selectivity to mask and polymer regimes by utilizing a cyclic etch process. This patent describes an improved etch selectivity of an amorphous carbon (a-C) mask during HAR etch processes. The process consists of two principal steps that are repeated between a partial etch process, which creates a polymer, and a polymer cleaning step, known as cycle etching.

Career Highlights

Xiangyu Guo is currently employed at American Air Liquide, Inc., where she continues to develop innovative solutions in etch process technology. Her work has been instrumental in advancing the efficiency and effectiveness of etching techniques used in various applications.

Collaborations

Xiangyu collaborates with her coworker, Nathan Stafford, who contributes to the research and development efforts within their team. Together, they work on projects that aim to push the boundaries of etch process technology.

Conclusion

Xiangyu Guo's contributions to etch process technology demonstrate her expertise and innovative spirit. Her patent on cyclic etch processes highlights her commitment to improving industry standards.

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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