Tokyo, Japan

Long Zhang

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi High-Tech Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Long Zhang. Retrieved from https://idiyas.com/inventor/long-zhang-1plj9c37

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

Calculating rank

% 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: Long Zhang - Innovator in Pattern Measurement Technology

Introduction

Long Zhang is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pattern measurement technology. His innovative approach has led to the development of a unique device that addresses critical challenges in measuring positional deviations in patterns.

Latest Patents

Long Zhang holds a patent for a pattern measurement device. The purpose of this device is to accurately measure the positional deviation between the center of gravity of the top surface of a pattern and the center of gravity of the bottom surface of the pattern. This is particularly important when the incidence angle of a charged particle beam varies for each irradiation position. The device acquires an angular deviation amount corresponding to coordinates in the visual field of a pattern, ensuring precise measurements.

Career Highlights

Long Zhang is currently employed at Hitachi High-Tech Corporation, where he continues to innovate and develop advanced technologies. His work has been instrumental in enhancing the accuracy and efficiency of pattern measurement processes.

Collaborations

Long collaborates with Takuma Yamamoto, a fellow innovator in the field. Their combined expertise contributes to the advancement of technology at Hitachi High-Tech Corporation.

Conclusion

Long Zhang's contributions to pattern measurement technology exemplify the impact of innovation in the field. His patent and ongoing work at Hitachi High-Tech Corporation highlight his commitment to advancing measurement accuracy.

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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