Himeji, Japan

Osamu Tohya

This inventor holds 2 USPTO granted patents. Top assignee: Idemitsu Petrochemical Co., Ltd.. Active years: 1994-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Tohya. Retrieved from https://idiyas.com/inventor/osamu-tohya

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1994-1997

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2 patents (USPTO):Explore Patents

Title: Osamu Tohya: Innovator in Multilayered Resin Technology

Introduction

Osamu Tohya is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of resin technology, particularly in the development of multilayered wall structures. With a total of 2 patents, Tohya's work showcases his innovative approach to material science.

Latest Patents

Tohya's latest patents include a process for shaping a vessel with a multilayered wall structure. This invention involves a laminated resin sheet that consists of at least one layer of ethylene-vinyl alcohol copolymeric resin (EVOH resin), a layer of hot-melt adhesive resin, and a layer of polystyrene-based resin. The hot-melt adhesive layer serves to bond the other layers together, ensuring excellent moldability when the EVOH resin meets specific thermal characteristics. Additionally, he has developed a multilayered structural body that utilizes the same laminated resin sheet composition, further enhancing the versatility of his inventions.

Career Highlights

Osamu Tohya is currently employed at Idemitsu Petrochemical Co., Ltd., where he continues to innovate in the field of resin technology. His work has been instrumental in advancing the applications of multilayered materials in various industries.

Collaborations

Throughout his career, Tohya has collaborated with notable colleagues, including Masahiro Akamatsu and Tohru Yukumoto. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Osamu Tohya's contributions to multilayered resin technology highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to improving the functionality and moldability of resin products, making a significant impact in the 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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