Yokohama, Japan

Shigeru Iizuka

This inventor holds 1 USPTO granted patent. Top assignees: Fujitsu Corporation, Nippon Zeon Company, Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Iizuka. Retrieved from https://idiyas.com/inventor/shigeru-iizuka-pxj7flgj

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 = 48(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Shigeru Iizuka: Innovator in Drug Liquid Feeding Technology

Introduction

Shigeru Iizuka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electronic materials, particularly in the doping-liquid treatment processes for semiconductors and precision machinery components. His innovative approach has led to the development of a unique apparatus that enhances the efficiency and stability of drug liquid feeding.

Latest Patents

Iizuka holds a patent for a "Method and apparatus for feeding drug liquid from hermetic returnable can." This invention addresses the challenges associated with feeding a variety of doping liquids used in electronic material treatment processes. The apparatus is designed to stably feed the doping liquid while simultaneously monitoring its volume. It connects a liquid-filled hermetic returnable can to the treatment process, ensuring precise and reliable operation.

Career Highlights

Throughout his career, Shigeru Iizuka has worked with prominent companies such as Nippon Zeon Company, Ltd. and Fujitsu Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology related to electronic materials.

Collaborations

Iizuka has collaborated with notable colleagues, including Masahiro Yamazaki and Shigemitsu Kamiya. These partnerships have fostered innovation and have been instrumental in the development of new technologies in their respective fields.

Conclusion

Shigeru Iizuka's contributions to the field of drug liquid feeding technology exemplify his dedication to innovation. His patent and career achievements highlight the importance of collaboration and expertise in advancing technological solutions.

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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