Tokyo, Japan

Yuichi Fujii

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Gas Chemical Company, Inc., Nippon Kayaku Kabushiki Kaisha. Active years: 1979-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Fujii. Retrieved from https://idiyas.com/inventor/yuichi-fujii-oi60i6y9

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 = 3.4

ph-index = 5

Forward Citations = 67(Granted Patents)


Company Filing History:


Years Active: 1979-2000

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5 patents (USPTO):Explore Patents

Title: Yuichi Fujii: Innovator in Oxygen Absorption Technology

Introduction

Yuichi Fujii is a notable inventor based in Tokyo, Japan, recognized for his contributions to the field of oxygen absorption technology. With a total of 5 patents to his name, Fujii has developed innovative methods that enhance the preservation of products by controlling oxygen levels.

Latest Patents

Fujii's latest patents include a method of making a sheet-shaped oxygen absorber. This method involves preparing an oxygen-absorbing resin sheet with two surfaces and applying covering members to form a laminated structure. The process includes ultrasonically heat sealing the covering members to encapsulate the oxygen-absorbing resin sheet, resulting in an effective oxygen absorber. Another significant patent is for a packing for a lid designed to seal a container opening. This packing comprises a body with a low gas permeable sheet and an oxygen-absorbing agent, ensuring the integrity of the container's contents.

Career Highlights

Throughout his career, Yuichi Fujii has worked with prominent companies such as Mitsubishi Gas Chemical Company, Inc. and Nippon Kayaku Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in developing innovative solutions for oxygen absorption.

Collaborations

Fujii has collaborated with notable coworkers, including Hideyuki Takahashi and Futoshi Nakaya. Their combined efforts have contributed to advancements in the field of oxygen absorption technology.

Conclusion

Yuichi Fujii's innovative work in oxygen absorption technology has made a significant impact on product preservation methods. His patents reflect a commitment to enhancing the quality and longevity of various products through effective oxygen control.

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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