Hiroshima, Japan

Hideji Yamamoto

This inventor holds 2 USPTO granted patents. Top assignee: Sakai Chemical Industry Co., Ltd.. Active years: 1983-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideji Yamamoto. Retrieved from https://idiyas.com/inventor/hideji-yamamoto

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 = 4.8

ph-index = 2

Forward Citations = 31(Granted Patents)


Location History:

  • Asahimachi, JP (1983)
  • Hiroshima, JP (1996)

Company Filing History:


Years Active: 1983-1996

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2 patents (USPTO):Explore Patents

Title: The Innovations of Hideji Yamamoto

Introduction

Hideji Yamamoto is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of materials science, particularly in the development of fine acicular α-ferric oxide. With a total of 2 patents, his work has implications for various industrial applications.

Latest Patents

Yamamoto's latest patents include a method for producing fine acicular α-ferric oxide. This innovative material features a specific crystallite diameter ratio and a specific surface area that enhances its utility in various applications. The production method involves a wet process that includes hydrothermal reactions, allowing for precise control over the material's properties. Another patent focuses on producing single crystalline, acicular α-ferric oxide particles with a narrow particle size distribution, utilizing a unique heating process in the presence of growth regulating agents.

Career Highlights

Yamamoto is associated with Sakai Chemical Industry Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in materials science has positioned him as a key figure in the industry, contributing to the company's innovative product offerings.

Collaborations

Yamamoto has worked alongside notable colleagues such as Seiji Matsumoto and Tadashi Koga. Their collaborative efforts have furthered research in the field and led to the successful development of new materials.

Conclusion

Hideji Yamamoto's contributions to the field of materials science, particularly through his patents on fine acicular α-ferric oxide, highlight his innovative spirit and dedication to advancing technology. 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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