Kitaibaraki, Japan

Cyuzaburo Tanaka

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Metal Mining Company, Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cyuzaburo Tanaka. Retrieved from https://idiyas.com/inventor/cyuzaburo-tanaka

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 = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Cyuzaburo Tanaka: Innovator in Nuclear Fuel Processing

Introduction

Cyuzaburo Tanaka is a notable inventor from Kitaibaraki, Japan, recognized for his contributions to the field of nuclear fuel processing. His innovative approach has led to advancements in the recovery of high-purity uranium and gadolinium from nuclear fuel scraps.

Latest Patents

Tanaka holds a patent for a method of processing nuclear fuel scraps. This method allows for the effective recovery of high-purity uranium from gadolinium-containing nuclear fuel scraps by dissolving the scraps in a mineral acid. The process involves extracting uranium from the resulting solution with a solvent, washing the organic phase with water or a dilute mineral acid, and performing counter-extraction with water or a dilute mineral acid. Additionally, this invention provides an efficient method for recovering high-purity gadolinium from the acidic washings, which contain small amounts of radioactive elements. By adding an alkali, removing the precipitate formed, lowering the pH of the filtrate to 2 or less, and adding an oxalic acid source, gadolinium oxalate can be precipitated.

Career Highlights

Cyuzaburo Tanaka is associated with Sumitomo Metal Mining Company, Ltd., where he has applied his expertise in nuclear fuel processing. His work has significantly contributed to the efficiency and safety of handling nuclear materials.

Collaborations

Tanaka has collaborated with notable coworkers, including Teruyoshi Yazama and Yoshiki Miyajima, who have supported his innovative endeavors in the field.

Conclusion

Cyuzaburo Tanaka's contributions to nuclear fuel processing exemplify the importance of innovation in enhancing the recovery of valuable materials. His work continues to influence the industry and promote advancements in nuclear technology.

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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