Niihama, Japan

Yoshitomo Ozaki

This inventor holds 35 USPTO granted patents and 13 published patent applications, plus 32 CIPO patents and 13 EPO patents, primarily in Nickel Production. Top assignees: Sumitomo Metal Mining Company, Ltd., Kochi University, Kyushu University. Active years: 1999-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitomo Ozaki. Retrieved from https://idiyas.com/inventor/yoshitomo-ozaki

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

USPTO Granted Patents = 35 

% Patents Active = 22.9

 

 

Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 77(Granted Patents)


Location History:

  • Tokyo, JP (2009 - 2017)
  • Ehime, JP (2016 - 2018)
  • Niihama, JP (1999 - 2022)

Company Filing History:


Years Active: 1999-2022

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Areas of Expertise:
Scandium Recovery
Nickel Powder
Hydrometallurgy
Hematite Manufacturing
Nickel Sulfate
Wastewater Treatment
Acidic Solution
Cobalt Sulfate
Impurity Separation
Ferronickel Smelting
Nickel Oxide Ore
Sulfidation Reaction
35 patents (USPTO):Explore Patents

Title: **Yoshitomo Ozaki: Innovator in Nickel and Scandium Recovery**

Introduction

Yoshitomo Ozaki, an accomplished inventor based in Niihama, Japan, has made significant contributions to the fields of metallurgy and materials science. With a remarkable portfolio of 35 patents, Ozaki's innovations focus on methods for recovering valuable metals, particularly scandium and nickel. His work has been influential in enhancing various industrial processes.

Latest Patents

Among Ozaki's latest inventions are two notable patents. The first is a **Method for Recovering Scandium**, designed to extract scandium from nickel oxide ore. This innovative process includes several steps: leaching the ore with sulfuric acid, neutralizing the solution, sulfurizing it, and then using ion exchange to separate scandium hydroxide, which is subsequently processed into a recoverable form.

The second patent, **Method for Producing High Density Nickel Powder**, outlines a technique to generate nickel powder with a median diameter of 100 to 160 micrometers. This method involves controlling the particle size through a complex reduction reaction in a pressure vessel, allowing for the production of high-density nickel powder essential for various applications.

Career Highlights

Ozaki's career has been marked by significant experience with prestigious organizations, including Sumitomo Metal Mining Company, Ltd. and Kochi University, National University Corporation. His roles in these institutions have allowed him to leverage his expertise in researching innovative materials and enhancing industrial processes.

Collaborations

During his career, Ozaki has collaborated with notable colleagues, including Hideki Ohara and Shin-ichi Heguri. These partnerships have contributed to the advancement of key projects and the development of groundbreaking technologies within the fields of metallurgy and chemical engineering.

Conclusion

Yoshitomo Ozaki's innovative contributions to the recovery of valuable metals like scandium and nickel have positioned him as a noteworthy inventor in the materials science domain. His patents reflect a deep understanding of industrial processes and a commitment to enhancing metal recovery techniques, making a lasting impact on the industry. As he continues to innovate, the potential for further advancements in this field remains promising.

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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