Ichihara, Japan

Hirofumi Jyohoji

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Jyohoji. Retrieved from https://idiyas.com/inventor/hirofumi-jyohoji

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Hirofumi Jyohoji: Innovator in Polymer Production

Introduction

Hirofumi Jyohoji is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of alpha-olefin polymers. His innovative work has led to the development of a patented process that enhances polymer production efficiency.

Latest Patents

Hirofumi Jyohoji holds a patent for a process for producing alpha-olefin polymers. This process involves homopolymerizing or copolymerizing an alpha-olefin using a specialized catalyst system. His patent is a testament to his expertise and dedication to advancing polymer technology. He has 1 patent to his name.

Career Highlights

Hirofumi Jyohoji is associated with Sumitomo Chemical Company, Limited, where he has been instrumental in research and development. His work has not only contributed to the company's success but has also positioned him as a key figure in the field of polymer science.

Collaborations

Throughout his career, Hirofumi has collaborated with esteemed colleagues such as Toshio Sasaki and Takeshi Ebara. These collaborations have fostered innovation and have led to advancements in their respective fields.

Conclusion

Hirofumi Jyohoji's contributions to polymer production through his patented process highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in chemical engineering.

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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