Ibaraki, Japan

Fumiaki Shirafuji

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Nitto-Denko Corporation. Active years: 2008-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiaki Shirafuji. Retrieved from https://idiyas.com/inventor/fumiaki-shirafuji

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 35(Granted Patents)


Location History:

  • Ohtsu, JP (2010 - 2013)
  • Ibaraki, JP (2008 - 2014)

Company Filing History:


Years Active: 2008-2014

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4 patents (USPTO):Explore Patents

Title: Fumiaki Shirafuji: Innovator in Optical Technologies

Introduction

Fumiaki Shirafuji is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical technologies, holding a total of 4 patents. His work focuses on enhancing the performance and functionality of optical films and adhesive compositions.

Latest Patents

Shirafuji's latest patents include an innovative antistatic optical film and a method for manufacturing the same. This antistatic optical film features an antistatic layer laminated on at least one side of an optical film. The antistatic layer comprises a water-soluble or water-dispersible conductive polymer, which provides excellent antistatic effects, optical characteristics, and appearance. Another significant patent is for a pressure-sensitive adhesive composition for optical members. This invention aims to provide a pressure-sensitive adhesive composition that excels in coating properties due to its low viscosity. It reduces the amount of organic solvent used and forms a durable pressure-sensitive adhesive layer with high surface uniformity.

Career Highlights

Fumiaki Shirafuji is currently employed at Nitto Denko Corporation, where he continues to innovate in the field of optical technologies. His work has been instrumental in developing products that enhance the performance of optical devices.

Collaborations

Shirafuji collaborates with talented coworkers, including Masayuki Satake and Akiko Ogasawara. Their combined expertise contributes to the advancement of optical technologies within their organization.

Conclusion

Fumiaki Shirafuji is a distinguished inventor whose work in optical technologies has led to several important patents. His contributions continue to impact the industry positively, showcasing the importance of innovation in enhancing optical performance.

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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