Nara, Japan

Hiroshi Kitagawa

This inventor holds 12 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignees: Kyoto University, Japan Science and Technology Agency, Kyushu University. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kitagawa. Retrieved from https://idiyas.com/inventor/hiroshi-kitagawa-e6jge7af

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

USPTO Granted Patents = 12 

% Patents Active = 91.7

 

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 16(Granted Patents)


Location History:

  • Nara, JP (2015 - 2021)
  • Kyoto, JP (2017 - 2022)

Company Filing History:


Years Active: 2015-2025

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12 patents (USPTO):Explore Patents

Title: Hiroshi Kitagawa: Innovator in Alloy Nanoparticles

Introduction

Hiroshi Kitagawa is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of materials science, particularly in the development of alloy nanoparticles. With a total of 12 patents to his name, Kitagawa's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Kitagawa's latest patents include groundbreaking inventions such as a novel alloy nanoparticle that contains five or more types of elements. This alloy nanoparticle is designed to be directly supported on a carbon material carrier, which excludes graphene or carbon fibers. Additionally, he has developed an aggregate of alloy nanoparticles and a catalyst, along with a method for producing these alloy nanoparticles. Another notable invention is an alloy composed of at least three metal elements, which ensures that the standard deviation of distribution in the alloy of each element is 15 atomic % or less. This innovation provides a high solid solution uniformity, enhancing the performance of the alloy.

Career Highlights

Throughout his career, Hiroshi Kitagawa has worked with esteemed institutions such as Kyoto University and the Japan Science and Technology Agency. His research has focused on advancing the understanding and application of alloy nanoparticles, contributing to various technological fields.

Collaborations

Kitagawa has collaborated with notable colleagues, including Kohei Kusada and Rie Makiura. These partnerships have facilitated the exchange of ideas and expertise, further enriching his research endeavors.

Conclusion

Hiroshi Kitagawa's innovative work in alloy nanoparticles has positioned him as a key figure in materials science. His contributions continue to influence the development of advanced materials with diverse applications.

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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