Nagasaki, Japan

Tetsuji Yamaguchi

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1994-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuji Yamaguchi. Retrieved from https://idiyas.com/inventor/tetsuji-yamaguchi-tcrsui88

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 = 1.8

ph-index = 2

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1994-2002

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tetsuji Yamaguchi

Introduction: Tetsuji Yamaguchi, an esteemed inventor based in Nagasaki, Japan, has made significant advancements in the fields of materials science and environmental engineering. With a portfolio that includes two patents, Yamaguchi's innovations reflect his commitment to improving industrial processes and environmental sustainability.

Latest Patents: Among Tetsuji Yamaguchi's notable patents is the development of a specialized powder material for powder plasma overlaying. This innovative material is composed of carefully calibrated elements, including carbon, silicon, manganese, chromium, niobium, nickel, and iron, that work together to provide excellent resistance and bending properties. His second patent addresses an improved exhaust gas NO.sub.x removal system, which efficiently eliminates nitrogen oxides from exhaust gases. This system employs a catalytic reduction process utilizing ammonia or its precursor, showcasing Yamaguchi's dedication to addressing environmental concerns.

Career Highlights: Yamaguchi has honed his expertise through his work with renowned companies, including Mitsubishi Jukogyo Kabushiki Kaisha and Mitsubishi Heavy Industries Limited. His contributions to these leading firms have propelled innovations in both materials production and environmental technology.

Collaborations: Throughout his career, Tetsuji Yamaguchi has collaborated with notable colleagues, including Masakazu Matsui and Akira Notomi. Their teamwork has fostered an environment of creativity and advanced problem-solving, leading to remarkable breakthroughs in their respective fields.

Conclusion: Tetsuji Yamaguchi has established himself as a prominent figure in innovation, particularly with his patents that address both industrial needs and environmental issues. His work not only showcases his inventive spirit but also highlights the impactful collaboration that drives progress in technology and sustainability.

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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