Nagoya, Japan

Shigeru Iijima

This inventor holds 1 USPTO granted patent. Top assignee: Ngk Spark Plug Company, Limited. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Iijima. Retrieved from https://idiyas.com/inventor/shigeru-iijima-bohxejqi

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Shigeru Iijima: Innovator in Lithium Extraction Technology

Introduction

Shigeru Iijima is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of lithium extraction, focusing on methods that enhance efficiency and purity. His innovative approach has the potential to impact various industries reliant on lithium.

Latest Patents

Iijima holds a patent for a "Method and apparatus for extracting lithium by applying voltage." This invention describes a system that electrolytically extracts lithium at high purity and efficiency. The apparatus includes a partition made primarily of a perovskite-type lithium ion conducting solid electrolyte. It features a feed chamber for introducing a crude liquid containing lithium and impurities, and a recovery chamber for collecting the purified lithium. By applying an electrical field across the partition, lithium ions selectively pass from the crude liquid to the recovery side, enhancing the extraction process.

Career Highlights

Shigeru Iijima is associated with NGK Spark Plug Company, Limited, where he has contributed to advancements in lithium extraction technologies. His work has positioned him as a key figure in the development of efficient methods for lithium recovery.

Collaborations

Iijima has collaborated with notable colleagues, including Mitsuru Itoh and Yoshiyuki Inaguma. Their combined expertise has fostered innovation in the field of lithium extraction.

Conclusion

Shigeru Iijima's contributions to lithium extraction technology exemplify the importance of innovation in addressing modern challenges. His patented methods promise to enhance the efficiency and purity of lithium recovery, making a significant impact on the industry.

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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