Nirasaki, Japan

Tomohito Yamaji

This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Tokyo Electron Limited. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohito Yamaji. Retrieved from https://idiyas.com/inventor/tomohito-yamaji

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Tomohito Yamaji: Innovator in Pattern Formation Technology

Introduction

Tomohito Yamaji is a notable inventor based in Nirasaki, Japan. He has made significant contributions to the field of pattern formation technology, particularly through his innovative methods involving photosensitive materials. His work is essential in advancing the capabilities of semiconductor manufacturing.

Latest Patents

Tomohito Yamaji holds a patent for a "Pattern formation method and photosensitive hard mask." This method includes forming a photosensitive hard mask made of a transition metal oxide film on a substrate's surface. The process involves exposing the hard mask to EUV light in a desired pattern, causing a state change in the exposed region through heat generated during exposure. The method allows for the selective removal of either the region where the state change has occurred or the region where it has not occurred. This innovation is crucial for enhancing the precision and efficiency of pattern formation in various applications.

Career Highlights

Tomohito Yamaji is currently employed at Tokyo Electron Limited, a leading company in the semiconductor and electronics manufacturing industry. His role at the company allows him to apply his expertise in developing advanced technologies that contribute to the evolution of the semiconductor sector.

Collaborations

Tomohito collaborates with talented individuals such as Hajime Nakabayashi and Kazuki Yamada. Their teamwork fosters an environment of innovation and creativity, leading to groundbreaking advancements in their field.

Conclusion

Tomohito Yamaji's contributions to pattern formation technology exemplify the impact of innovative thinking in the semiconductor industry. His patent and collaborative efforts highlight the importance of teamwork in driving technological advancements.

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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