Fukui, Japan

Hajime Arai

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Seiren Company, Ltd. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Arai. Retrieved from https://idiyas.com/inventor/hajime-arai-k0f0rp0k

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 = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Hajime Arai: Innovator in Decorative Sheet Technology

Introduction

Hajime Arai is a notable inventor based in Fukui, Japan. He has made significant contributions to the field of decorative materials, particularly through his innovative patent related to decorative sheets. His work emphasizes the integration of light diffusion technology to enhance design features.

Latest Patents

Hajime Arai holds a patent for a decorative sheet, decorative molded article, and decorative module. This invention involves a decorative sheet that emits light from part of its front surface, improving its aesthetic appeal. The design includes a first refractive index layer, a decorative layer, a second refractive index layer, and a light diffusion layer. The light diffusion layer is crucial as it diffuses light entering from the first refractive index layer, allowing light to be released from the front surface of the decorative sheet. Additionally, a resin molded body can be laminated on the back surface to create a decorative molded article, which may also include a light source for enhanced illumination.

Career Highlights

Hajime Arai is currently associated with Seiren Company, Ltd., where he continues to develop innovative solutions in decorative materials. His work has garnered attention for its unique approach to integrating light into design elements, showcasing his expertise in the field.

Collaborations

Hajime Arai collaborates with talented individuals such as Akihide Suzuki and Hidekazu Shiomi. Their combined efforts contribute to the advancement of technology in decorative materials.

Conclusion

Hajime Arai's innovative work in decorative sheet technology exemplifies the intersection of design and functionality. His contributions continue to influence the industry, making him a significant figure in the realm of inventions.

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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