Hiroshima, Japan

Tamotsu Yamada

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Yamada. Retrieved from https://idiyas.com/inventor/tamotsu-yamada-lpz4ysjk

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 = 5.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovations of Tamotsu Yamada

Introduction

Tamotsu Yamada is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of materials science, particularly in the development of specialized stainless steel alloys. His work focuses on enhancing the corrosion resistance of materials used in harsh chemical environments.

Latest Patents

Yamada holds a patent for a unique formulation of Pd-added austenitic stainless steel. This innovative material is designed for use in high-temperature concentrated sulfuric acid applications. The patent specifies a composition that includes 0.04% or less of carbon, 5-7% of silicon, 2% or less of manganese, 15-25% of chromium, 4-24% of nickel, and 0.01-1.07% of palladium, with the remainder being iron and unavoidable contaminants. The incorporation of palladium significantly improves the corrosion resistance of the steel, making it suitable for extreme conditions.

Career Highlights

Tamotsu Yamada is associated with Mitsubishi Jukogyo Kabushiki Kaisha, where he has been instrumental in advancing materials technology. His expertise in metallurgy and chemical resistance has positioned him as a key figure in the development of innovative solutions for industrial applications.

Collaborations

Yamada has collaborated with esteemed colleagues such as Yasuo Nishimura and Hideo Nakamoto. Their combined efforts have led to advancements in the understanding and application of corrosion-resistant materials.

Conclusion

Tamotsu Yamada's contributions to the field of materials science, particularly through his patented innovations, highlight the importance of research and development in creating solutions for challenging industrial environments. His work continues to influence the industry and pave the way for future 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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