Tokuyama, Japan

Junichi Fujii

This inventor holds 1 USPTO granted patent. Top assignee: Tokuyama Corporation. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Fujii. Retrieved from https://idiyas.com/inventor/junichi-fujii

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 = 5.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Junichi Fujii: Innovator in Polypropylene Film Technology

Introduction

Junichi Fujii is a notable inventor based in Tokuyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polypropylene films. His innovative work has led to the creation of a patented product that enhances the quality and performance of polypropylene films.

Latest Patents

Fujii holds a patent for a stretched polypropylene film. This film is made from a composition that includes crystalline polypropylene and a monocyclic olefin polymer, such as polycyclobutene or polycyclopentene. The unique formulation allows for a content of the monocyclic olefin polymer ranging from 0.1 to 1,000 ppm by weight. The resulting polypropylene film is distinguished by its superior transparency and image clarity, enabling clear visibility of images through the film. Additionally, when the film incorporates talc with an average particle diameter of 0.1-10 µm, it effectively prevents surface roughening during the sheet formation process prior to stretched film production. The inclusion of an anti-blocking agent and polyethylene further enhances the film's properties by preventing voids caused by the anti-blocking agent.

Career Highlights

Fujii is associated with Tokuyama Corporation, where he has been instrumental in advancing the company's research and development efforts in polymer technology. His work has not only contributed to the company's portfolio but has also positioned Tokuyama as a leader in the production of high-quality polypropylene films.

Collaborations

Fujii has collaborated with esteemed colleagues, including Isao Masada and Manabu Kaminaka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field.

Conclusion

Junichi Fujii's contributions to polypropylene film technology exemplify the impact of innovative thinking in materials science. His patented advancements continue to influence the industry, showcasing the importance of research and development in creating superior products.

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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