Niihama, Japan

Itsumi Matsuoka

This inventor holds 7 USPTO granted patents and 10 published patent applications, plus 9 CIPO patents and 5 EPO patents. Top assignee: Sumitomo Metal Mining Company, Ltd.. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Itsumi Matsuoka. Retrieved from https://idiyas.com/inventor/itsumi-matsuoka

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

USPTO Granted Patents = 7 

% Patents Active = 42.9

 

 

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2018-2025

Loading Chart...
Loading Chart...
Loading Chart...
7 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Itsumi Matsuoka in Chemical Manufacturing**

Introduction

Itsumi Matsuoka, an accomplished inventor based in Niihama, Japan, has made significant advancements in the field of chemical manufacturing. With a total of six patents to her name, Matsuoka's inventions focus on processes that enhance efficiency and recovery in industrial applications.

Latest Patents

Two of Matsuoka's latest patents highlight her expertise and innovative spirit. The first, titled "Method for manufacturing sulfuric acid solution and electrolyzer used thereof," describes a novel method for producing a sulfuric acid solution. This method involves supplying a chloride ion-containing sulfuric acid solution as an initial electrolyte within an electrolyzer, which is divided into an anode chamber and a cathode chamber. The process effectively allows for the extraction of a metal-dissolved electrolyte from the anode chamber while a current is supplied to the electrodes.

Her second patent, "Method for recovering scandium," outlines a comprehensive process for recovering scandium from nickel oxide ore. This innovative procedure encompasses several stages, including leaching with sulfuric acid, neutralization, sulfurization, ion exchange, and ultimately the recovery of scandium hydroxide. Matsuoka's detailed approach contributes to the efficient extraction of valuable materials from ores.

Career Highlights

Itsumi Matsuoka is associated with Sumitomo Metal Mining Company, Ltd., where she has been able to turn her innovative ideas into practical solutions. Her work at the company has enabled her to focus on advanced chemical processes, steering important research and development efforts.

Collaborations

In her pursuit of innovation, Matsuoka collaborates with talented colleagues, including Hiroshi Kobayashi and Hidemasa Nagai. These partnerships have proven to be instrumental in developing and refining her patented methodologies.

Conclusion

Itsumi Matsuoka exemplifies the spirit of innovation within the realm of chemical manufacturing. Her recent patents not only demonstrate her technical expertise but also emphasize the importance of collaboration in advancing industry practices. As her career progresses, Matsuoka's contributions are likely to pave the way for future developments in the field.

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]
Loading…