Nirasaki, Japan

Tatsuya Yamaguchi

This inventor holds 71 USPTO granted patents and 28 published patent applications, primarily in Semiconductor Manufacturing (CPC class H01L). Top assignees: Tokyo Electron Limited, Tokyo Electron Limi Ted, Furuya Metal Co., Ltd.. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Yamaguchi. Retrieved from https://idiyas.com/inventor/tatsuya-yamaguchi

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

USPTO Granted Patents = 71 

% Patents Active = 98.6

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 105(Granted Patents)

Forward Citations (Not Self Cited) = 92(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sapporo, JP (2014 - 2018)
  • Hokkaido, JP (2020)
  • Nirasaki, JP (2011 - 2024)
  • Yamanashi, JP (2013 - 2024)
  • Iwate, JP (2019 - 2024)

Company Filing History:


Years Active: 2011-2026

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Areas of Expertise:
Substrate Processing
Semiconductor Device
Film Forming
Heat Treatment
Thermocouple Structure
Etching Method
Temperature Monitoring
Device Manufacturing
Vacuum Processing
Heat Insulation
Resistive Change Elements
71 patents (USPTO):Explore Patents

Title: Innovations of Tatsuya Yamaguchi: A Patent Portfolio Highlight

Introduction

Tatsuya Yamaguchi, an inventor based in Nirasaki, Japan, is renowned for his contributions to the field of heat treatment and semiconductor manufacturing. With a remarkable portfolio of 63 patents, he has played a significant role in advancing technology within his industry.

Latest Patents

Among his latest innovations, Yamaguchi has developed a heat treatment apparatus and method. This apparatus features a cylindrical processing container that incorporates a heater to elevate the temperature and a cooler designed to regulate it. The cooler includes unique discharge holes arranged along the processing container's length, enabling efficient cooling by discharging a cooling medium. Additionally, his inventive method of manufacturing semiconductor devices involves fine-tuning the temperature of a substrate to ensure optimal conditions for laminating a polyurea film. This innovative process allows for the precise introduction of isocyanate gas and amine gas into the containment environment, vital for fabricating high-performance semiconductor devices.

Career Highlights

Tatsuya Yamaguchi has made impactful contributions during his career at notable organizations, including Tokyo Electron Limited. His innovative strategies and solutions have shaped processes tied to semiconductor technology and heat treatment.

Collaborations

In his pursuit of innovation, Yamaguchi has collaborated closely with talented individuals, including Syuji Nozawa and Koji Yoshii. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the simplification of complex technological challenges.

Conclusion

Tatsuya Yamaguchi's extensive patent portfolio and significant contributions to the industry highlight his driving role in innovation. His inventive apparatuses and methods have not only advanced semiconductor manufacturing processes but have also set new benchmarks for efficiency in heat treatment technology. By combining his expertise and collaborative spirit, Yamaguchi continues to inspire future advancements in his field.

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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