Koshigaya, Japan

Hiroki Matsukawa

This inventor holds 2 USPTO granted patents and 3 published patent applications. Top assignee: Sekisui Chemical Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Matsukawa. Retrieved from https://idiyas.com/inventor/hiroki-matsukawa

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Hiroki Matsukawa: Innovator in Multilayer Foam Technology

Introduction

Hiroki Matsukawa is a prominent inventor based in Koshigaya, Japan. He has made significant contributions to the field of materials science, particularly in the development of multilayer foam sheets. His innovative work has led to the filing of multiple patents, showcasing his expertise and creativity in this area.

Latest Patents

Matsukawa holds 2 patents that highlight his advancements in foam technology. One of his latest inventions is a multilayer foam sheet that features a resin layer and a foam layer on each side. This design ensures that the thickness of the resin layer is 10 μm or more, while maintaining a 25% compressive strength of 1000 kPa or less. This innovation provides a foam sheet with high impact resistance and flexibility. Another notable patent is for a multilayer foam sheet and adhesive tape that excels in flexibility and mechanical strength in the shear direction. This multilayer foam sheet includes a base layer with a foam layer and a surface layer that can be either a foam layer or a resin film. The design achieves a low-speed shear modulus of 50 MPa or more, with a 25% compressive strength of 125 kPa or less.

Career Highlights

Matsukawa is currently employed at Sekisui Chemical Co., Ltd., where he continues to push the boundaries of foam technology. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of his notable coworkers include Masahiro Hamada and Masaya Ishida. Their collective efforts contribute to the innovative environment at Sekisui Chemical Co., Ltd.

Conclusion

Hiroki Matsukawa's contributions to multilayer foam technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and their applications. His work continues to influence the industry and inspire future advancements in foam technology.

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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