Hiroshima, Japan

Shigeo Hirayama

This inventor holds 1 USPTO granted patent. Top assignee: Mitsui Minings & Melting Co., Ltd.. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Hirayama. Retrieved from https://idiyas.com/inventor/shigeo-hirayama

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

Calculating rank

Average Co-Inventor Count = 6.0

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Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Shigeo Hirayama: Innovator in Hydrogen Storage Technology

Introduction

Shigeo Hirayama is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of hydrogen storage materials. His innovative work has led to the development of a unique hydrogen absorbing alloy.

Latest Patents

Hirayama holds a patent for a hydrogen storage material characterized by its flaky or similar shape with a thickness ranging from 50 to 500 µm. The patent describes a process for producing this alloy, which exhibits a specific crystallite orientation. The X-ray diffraction pattern of the alloy shows an intensity ratio of plane indices (002)/(200) between 2 to 10, indicating its unique properties.

Career Highlights

Hirayama is associated with Mitsui Mining & Smelting Co., Ltd., where he has been instrumental in advancing hydrogen storage technologies. His work has implications for various applications, including energy storage and fuel cell technology.

Collaborations

Some of his notable coworkers include Kiyotaka Yasuda and Daisuke Mukai, who have collaborated with him on various projects related to hydrogen storage.

Conclusion

Shigeo Hirayama's contributions to hydrogen storage technology highlight his innovative spirit and dedication to advancing materials science. His patent reflects a significant step forward in the development of efficient hydrogen storage solutions.

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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