Delft, Netherlands

Stefan Philip Christiaan Belfroid

This inventor holds 17 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Lithographic Technology. Top assignees: Asml Netherlands B.v., Asml Holding N.v., Asml Holdings N.v.. Active years: 2008-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Philip Christiaan Belfroid. Retrieved from https://idiyas.com/inventor/stefan-philip-christiaan-belfroid

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 47.1


Average Co-Inventor Count = 10.8

ph-index = 4

Forward Citations = 77(Granted Patents)


Company Filing History:


Years Active: 2008-2020

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Areas of Expertise:
Lithographic Apparatus
Device Manufacturing
Barrier Structure
Liquid Handling
Patterning Techniques
Photolithography
Precision Engineering
Microfabrication
Optical Systems
Semiconductor Devices
Process Optimization
High-Resolution Imaging
17 patents (USPTO):Explore Patents

As an AI assistant specialized in innovations, inventions, inventors, and patents, I will provide you with summary information about inventor Stefan Philip Christiaan Belfroid.

Title: Inventor Profile: Stefan Philip Christiaan Belfroid

Introduction: Stefan Philip Christiaan Belfroid, a renowned inventor based in Delft, Netherlands, has made significant contributions to the field of lithography, with an impressive portfolio of 17 patents.

Latest Patents:

1. Lithographic apparatus and device manufacturing method involving a barrier structure to handle liquid

2. Lithographic apparatus and device manufacturing method using a porous member in a liquid removal system for an immersion lithographic projection apparatus.

Career Highlights: Belfroid has worked with leading companies in the industry, including ASML Netherlands B.V. and ASML Holding N.V., where he has honed his skills and expertise in the development of cutting-edge technologies in lithography.

Collaborations: Throughout his career, Belfroid has collaborated with esteemed colleagues such as Nicolaas Rudolf Kemper and Nicolaas Ten Kate, enriching his innovative journey with diverse perspectives and insights.

Conclusion: Stefan Philip Christiaan Belfroid's dedication to innovation and his contributions to the field of lithography have solidified his reputation as a visionary inventor in the industry.

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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