Settsu, Japan

Toshifumi Matsumiya

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Kaneka Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Matsumiya. Retrieved from https://idiyas.com/inventor/toshifumi-matsumiya

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: The Innovations of Toshifumi Matsumiya

Introduction

Toshifumi Matsumiya is a notable inventor based in Settsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced film technologies. His work has led to the creation of innovative products that enhance the performance of display devices.

Latest Patents

Matsumiya holds a patent for a hardcoat film, a method for producing the same, and a display device. This hard coat film consists of a transparent resin film with a hard coat layer applied to one surface. The hard coat layer is composed of a cured product of a hard coat composition, which has a thickness of at least 0.15 times that of the transparent resin film. Notably, the hard coat composition exhibits a negative cure shrinkage ratio, ensuring that the film maintains its integrity during production. The film is designed to have minimal curl, with an absolute value of the amount of curl cut into a 100 mm×100 mm square being 20 mm or less. Additionally, the hard coat layer may include a cured product of a polyorganosiloxane compound featuring an alicyclic epoxy group.

Career Highlights

Matsumiya is currently employed at Kaneka Corporation, where he continues to innovate and develop new materials. His expertise in hard coat films has positioned him as a key player in the advancement of display technologies. His work not only contributes to the company's portfolio but also enhances the overall quality of consumer electronics.

Collaborations

Throughout his career, Matsumiya has collaborated with talented individuals such as Yusuke Taguchi and Fumiyasu Ishiguro. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Toshifumi Matsumiya's contributions to the field of materials science, particularly through his patented hardcoat film, demonstrate his innovative spirit and commitment to advancing technology. His work at Kaneka Corporation and collaborations with fellow inventors highlight the importance of teamwork in driving innovation forward.

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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