Naka, Japan

Yoshikazu Koma

This inventor holds 1 USPTO granted patent. Top assignee: Doryokuro Kakunenryo Kaihatsu Jigyodan. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Koma. Retrieved from https://idiyas.com/inventor/yoshikazu-koma

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Yoshikazu Koma: Innovator in Actinide and Rare Earth Element Separation

Introduction

Yoshikazu Koma is a notable inventor based in Naka-gun, Japan. He has made significant contributions to the field of nuclear chemistry, particularly in the separation of trivalent actinides and rare earth elements. His innovative methods are crucial for improving the efficiency of nuclear waste reprocessing.

Latest Patents

Koma holds a patent for a method of separating trivalent actinides and rare earth elements. This method utilizes a CMPO-TBP mixed solvent in the TRUEX process. The patent outlines a trivalent actinide/rare earth extraction step, a nitric acid removal step, and a separation step to effectively isolate these elements from highly acidic waste generated by the reprocessing of spent nuclear fuel. He has 1 patent to his name.

Career Highlights

Koma is associated with Doryokuro Kakunenryo Kaihatsu Jigyodan, where he applies his expertise in nuclear chemistry. His work focuses on developing methods that enhance the safety and efficiency of nuclear waste management.

Collaborations

Koma has collaborated with notable colleagues such as Masayuki Watanabe and Shinichi Nemoto. Their combined efforts contribute to advancements in the field of nuclear chemistry and waste reprocessing.

Conclusion

Yoshikazu Koma's innovative work in the separation of trivalent actinides and rare earth elements represents a significant advancement in nuclear waste management. His contributions are vital for the future of sustainable nuclear energy.

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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