Tokyo, Japan

Hirohumi Youda

This inventor holds 1 USPTO granted patent. Top assignee: Kyotaru Co., Ltd.. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohumi Youda. Retrieved from https://idiyas.com/inventor/hirohumi-youda

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 = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Hirohumi Youda: Innovator in Rice-Ball Packaging

Introduction

Hirohumi Youda is a notable inventor based in Tokyo, Japan. He has made significant contributions to the food packaging industry, particularly with his innovative approach to rice-ball production. His work focuses on enhancing the quality and longevity of rice-balls rolled in laver.

Latest Patents

Hirohumi Youda holds a patent for a unique method of producing and packaging rice-balls rolled in laver. This invention ensures that the flavor of the laver is preserved by blocking moisture from the rice-ball, even after extended periods. The rice-ball is packed in a specialized packing sheet that maintains its freshness and cleanliness, making it ideal for sale in drive-in stores or at stations. He has 1 patent to his name.

Career Highlights

Youda is associated with Kyotaru Co., Ltd., where he has been instrumental in developing innovative food packaging solutions. His dedication to improving food preservation techniques has garnered attention in the industry.

Collaborations

Hirohumi Youda collaborates with Koki Uno, working together to enhance their product offerings and innovate within the food packaging sector.

Conclusion

Hirohumi Youda's contributions to the food packaging industry, particularly through his patented method for rice-balls, highlight his innovative spirit and commitment to quality. His work continues to influence how food products are packaged and preserved.

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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