Jyouetsu, Japan

Masahiro Aoki

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Stainless Steel Co., Ltd., Sumitomo Chemical Company, Limited. Active years: 1981-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Aoki. Retrieved from https://idiyas.com/inventor/masahiro-aoki-vzkntld7

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 = 5.5

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Joetsu, JP (1981 - 1983)
  • Jyouetsu, JP (1986 - 1987)

Company Filing History:


Years Active: 1981-1987

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5 patents (USPTO):Explore Patents

Title: The Innovative Journey of Masahiro Aoki

Introduction

Masahiro Aoki is a prominent inventor based in Jyouetsu, Japan, known for his contributions in the field of stainless steel manufacturing and welding technologies. With a total of five patents to his name, his work focuses on improving the properties and applications of ferrite-austenite two-phase stainless steel, which has significant industrial relevance.

Latest Patents

Among his latest innovations, Aoki's patent for a "Manufacturing process for plate or forging of ferrite-austenite" stands out. This invention details a process for producing ferrite-austenite two-phase stainless steel with specific chemical compositions and production parameters that enhance the material's characteristics. Another significant patent is for a "Welding material for austenite stainless steel having high Si content." This invention ensures high corrosion resistance in welds exposed to concentrated nitric acid while maintaining adequate toughness, making it suitable for various demanding applications.

Career Highlights

Throughout his career, Masahiro Aoki has made notable impacts while working at leading companies in the field, including Sumitomo Chemical Company and Nippon Stainless Steel Co., Ltd. His contributions to these organizations have helped advance the development of innovative materials and processes in the metalworking industry.

Collaborations

Aoki has collaborated with several esteemed colleagues, including Takeshi Yoshida and Masao Okubo. Their joint efforts in research and development have facilitated breakthroughs in welding materials and manufacturing processes, further enhancing the practical applications of stainless steel.

Conclusion

Masahiro Aoki's innovative spirit and technical expertise have led to significant advancements in stainless steel technology. With a strong foundation in both research and application, his inventions continue to influence the industry, paving the way for future innovations in material science and engineering.

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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