Mie, Japan

Fumio Okisaki

This inventor holds 10 USPTO granted patents. Top assignees: Tosoh Corporation, The Furukawa Electric Co., Ltd., Toyo Soda Manufacturing Co., Ltd.. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Okisaki. Retrieved from https://idiyas.com/inventor/fumio-okisaki

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 = 3.9

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Shinnanyo, JP (1989 - 1991)
  • Yokkaichi, JP (1998 - 1999)
  • Mie, JP (1998 - 2000)
  • Sagamihara, JP (2006)

Company Filing History:


Years Active: 1989-2006

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10 patents (USPTO):Explore Patents

Title: Fumio Okisaki: Innovator in Polymer Technology

Introduction

Fumio Okisaki is a prominent inventor based in Mie, Japan, known for his significant contributions to polymer technology. With a total of 10 patents to his name, he has made remarkable advancements in the field, particularly in the development of materials that are both environmentally friendly and efficient.

Latest Patents

One of Okisaki's latest patents is for a novel poly(arylene ether sulfone) that features a sulfoalkoxy group. This innovative material exhibits both heat resistance and electroconductivity, making it suitable for use as polymer electrolyte membranes in high-performance polymer electrolyte fuel cells. Importantly, this polymer does not utilize fluorine, thereby minimizing environmental impact during both synthesis and disposal. The production process involves reacting a poly(arylene ether sulfone) with a specific alkali metal compound and/or an organic base, followed by sulfonation and acid treatment. Another significant patent is for a fire-retardant polymer composition that includes polyolefins and polystyrenes, combined with metal oxides and heat-expandable graphite. This composition is designed to emit less smoke and corrosive gas when burned, while maintaining the integrity of the polymer material.

Career Highlights

Throughout his career, Fumio Okisaki has worked with notable companies such as Tosoh Corporation and Toyo Soda Manufacturing Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative ideas in polymer science.

Collaborations

Okisaki has collaborated with esteemed colleagues, including Akinori Hamada and Masashige Kubo, contributing to the advancement of polymer technologies through shared expertise and research.

Conclusion

Fumio Okisaki's contributions to polymer technology have established him as a key figure in the field. His innovative patents reflect a commitment to creating materials that are both effective and environmentally responsible.

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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