Funabashi, Japan

Ryoji Sugawara

This inventor holds 2 USPTO granted patents. Top assignees: Japan Atomic Energy Institute, Mitsui Petrochemical Industries, Ltd., Yoshino Kogyosho Co., Ltd.. Active years: 1996-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Sugawara. Retrieved from https://idiyas.com/inventor/ryoji-sugawara

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 = 11.0

ph-index = 2

Forward Citations = 58(Granted Patents)


Company Filing History:


Years Active: 1996-1998

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2 patents (USPTO):Explore Patents

Title: Ryoji Sugawara: Innovator in Squeezable Tubular Container Technology

Introduction

Ryoji Sugawara is a notable inventor based in Funabashi, Japan. He has made significant contributions to the field of packaging technology, particularly with his innovations in squeezable tubular containers. With a total of 2 patents to his name, Sugawara's work has had a meaningful impact on the industry.

Latest Patents

Sugawara's latest patents focus on a squeezable tubular container and the process for its production. The container is formed from a composition that includes polyethylene with a density of 0.900 to 0.975 g/cm³ and an ethylene/α-olefin copolymer with a density smaller than 0.900 g/cm³. This innovative design features crosslinking caused by electron beam irradiation, making it sterilizable at high temperatures, heat-sealable, or ultrasonically sealable. These advancements enhance the usability and safety of the packaging.

Career Highlights

Throughout his career, Ryoji Sugawara has worked with prominent companies such as Mitsui Petrochemical Industries, Ltd. and Yoshino Kogyosho Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in packaging technology.

Collaborations

Sugawara has collaborated with notable coworkers, including Keizo Makuuchi and Fumio Yoshii. Their combined expertise has contributed to the successful development of his patented technologies.

Conclusion

Ryoji Sugawara's contributions to the field of packaging through his innovative designs and patents demonstrate his commitment to advancing technology. His work continues to influence the industry and improve product usability.

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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