Tokyo, Japan

Megumu Yuyama

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1978-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Megumu Yuyama. Retrieved from https://idiyas.com/inventor/megumu-yuyama

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 250(Granted Patents)


Company Filing History:


Years Active: 1978-1988

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5 patents (USPTO):Explore Patents

Title: Megumu Yuyama: Innovator in Food Preservation Technology

Introduction

Megumu Yuyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of food preservation, particularly in the packaging of raw meat and fish. With a total of 5 patents to his name, Yuyama's work focuses on innovative methods to enhance the shelf life and quality of perishable food items.

Latest Patents

Yuyama's latest patents include a sealed package designed for preserving raw meat or fish. This innovative packaging method inhibits oxidation and spoilage while maintaining the vibrant scarlet color of the meat or fish. The package consists of an impermeable vessel that houses a deoxidant-CO₂ generating agent composition, which generates CO₂ gas immediately after the initiation of O₂ absorption. This process occurs at a rate of 0.2 to 2 mols per mol of O₂ absorbed. Another notable patent involves an oxygen absorbent that comprises metal halide-coated metal powder, which is designed to enhance the preservation of food products.

Career Highlights

Megumu Yuyama is currently employed at Mitsubishi Gas Chemical Company, Inc., where he continues to develop innovative solutions in food technology. His work has garnered attention for its practical applications in the food industry, particularly in improving the safety and longevity of food products.

Collaborations

Yuyama has collaborated with notable colleagues such as Toshio Komatsu and Yoshiaki Inoue. Their combined expertise has contributed to advancements in food preservation technologies.

Conclusion

Megumu Yuyama's contributions to food preservation technology exemplify the importance of innovation in enhancing food safety and quality. His patents reflect a commitment to developing effective solutions for the food 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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