Chiba, Japan

Yoshimasa Aoki

This inventor holds 9 USPTO granted patents. Top assignees: Hitachi Powdered Metals Co., Ltd., Nissan Motor Company Limited, Honda Giken Kogyo Kabushiki Kaisha. Active years: 1993-2002.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 139(Granted Patents)


Location History:

  • Chiba-ken, JP (1996)
  • Matsudo, JP (1998)
  • Kashiwa, JP (2001)
  • Chiba, JP (1993 - 2002)

Company Filing History:


Years Active: 1993-2002

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9 patents (USPTO):Explore Patents

Title: Innovative Contributions of Yoshimasa Aoki

Introduction

Yoshimasa Aoki, an accomplished inventor based in Chiba, Japan, holds a notable portfolio of 9 patents. His innovative work primarily focuses on the development of high-temperature wear-resistant materials, showcasing his expertise in materials engineering.

Latest Patents

Among his latest patents, Aoki has developed a high-temperature wear-resistant sintered alloy, which demonstrates a complex composition designed for enhanced durability. This iron-based alloy contains a diverse range of elements, including tungsten, vanadium, chromium, and manganese, enabling it to withstand extreme conditions. The unique structure of this alloy, characterized by its first and second phases, is optimized for wear resistance and minimizes damage to any mating parts in contact with it.

Additionally, another significant invention by Aoki is a sintered alloy exhibiting superior wear resistance and high mechanical strength. This alloy is comprised of nickel, chromium, and carbon, balanced with iron, ensuring a robust metallographic structure. The presence of a hard phase, which includes chromium carbide, plays a crucial role in enhancing the material's hardness and resilience.

Career Highlights

Throughout his career, Yoshimasa Aoki has worked with reputable companies, including Hitachi Powdered Metals Co., Ltd. and Nissan Motor Company Limited. These experiences have contributed greatly to his understanding of materials and their applications in various industrial contexts.

Collaborations

Aoki has collaborated with notable figures in his field, such as Koichiro Hayashi and Kei Ishii. These partnerships have likely fostered innovative thinking and the exchange of ideas, leading to advancements in materials science.

Conclusion

Yoshimasa Aoki's contributions to the field of materials engineering through his patented inventions reflect a commitment to innovation and excellence. His work not only improves the performance of industrial materials but also sets a standard for future developments in high-temperature wear-resistant alloys.

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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