Los Altos, CA, United States of America

Hwan J Jeong

This inventor holds 34 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Digital Lithography. Top assignees: Ultratech Stepper, Inc., Applied Materials, Inc., Kla-Tencor Technologies Corporation. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hwan J Jeong. Retrieved from https://idiyas.com/inventor/hwan-j-jeong

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

USPTO Granted Patents = 34 

% Patents Active = 79.4

 

Average Co-Inventor Count = 2.0

ph-index = 10

Forward Citations = 432(Granted Patents)


Company Filing History:


Years Active: 1993-2025

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Areas of Expertise:
Digital Lithography
Phase Control
Resolution Enhancement
Optical Imaging
Alignment Systems
Interferometric Detection
Microscopy
Wavelength Division Multiplexing
Grating Patterns
Illumination Systems
Optical Filters
Defect Classification
34 patents (USPTO):Explore Patents

Title: Innovative Contributions of Hwan J Jeong in Digital Lithography

Introduction: Hwan J Jeong, an esteemed inventor based in Los Altos, California, holds an impressive portfolio of 32 patents. His innovative work primarily focuses on advancements in digital lithography systems, which are crucial for various applications in the semiconductor industry.

Latest Patents: Among his latest notable patents is a system for controlling light source wavelengths to achieve selectable phase shifts between pixels in digital lithography systems. This innovative solution allows adjustment of the light source wavelength to compensate for tilt errors in micromirrors while ensuring the reflected light remains perpendicular. The adjacent pixels can have their phase shifts determined by the optical path difference, providing significant precision in lithography applications. Another remarkable patent involves a system for creating accurate grating patterns using multiple writing columns, each capable of performing multiple scans. This lithography system utilizes a multi-column imaging system equipped on a bridge that moves in a cross-scan direction, allowing for meticulous pattern generation on substrates.

Career Highlights: Hwan J Jeong has garnered extensive experience in the field, having worked with two prominent companies: Ultratech Stepper, Inc. and Applied Materials, Inc. His contributions to these organizations have significantly advanced their technological capabilities in digital lithography.

Collaborations: Throughout his career, Hwan has collaborated with inspiring professionals, including colleagues David A Markle and Gerald John Alonzo. These collaborations have fostered an environment of innovation, further enhancing the quality and impact of their collective work in the industry.

Conclusion: Hwan J Jeong's remarkable contributions to digital lithography are evident through his numerous patents and collaborations. His innovative solutions are pivotal in advancing the semiconductor manufacturing process, showcasing his commitment to pushing the boundaries of technology. As the industry continues to evolve, Hwan's expertise and inventions will undoubtedly play a critical role in shaping its future.

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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