Otsu, Japan

Hirotoshi Sakaino

This inventor holds 8 USPTO granted patents and 4 published patent applications and 6 EPO patents. Top assignee: Toray Industries, Inc.. Active years: 2017-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotoshi Sakaino. Retrieved from https://idiyas.com/inventor/hirotoshi-sakaino

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 6(Granted Patents)


Location History:

  • Shiga, JP (2020)
  • Otsu, JP (2017 - 2022)

Company Filing History:


Years Active: 2017-2022

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8 patents (USPTO):Explore Patents

Title: Hirotoshi Sakaino: Innovator in Color Conversion Technology

Introduction

Hirotoshi Sakaino is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of color conversion technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and durability of light-emitting materials, which are crucial for modern display and lighting applications.

Latest Patents

Sakaino's latest patents include a color conversion sheet and a light source unit that incorporates this innovative technology. The color conversion sheet is designed to convert incident light into light with a longer wavelength. It consists of two layers: layer (A), which contains an organic light-emitting material that emits light in the 500 nm to 580 nm range, and layer (B), which emits light in the 580 nm to 750 nm range. This dual-layer approach allows for improved color conversion efficiency. Another notable patent involves a pyrromethene-boron complex, which serves as an organic luminescent material suitable for color conversion in liquid crystal displays and LED lighting. This material is recognized for its excellent luminous efficiency and durability.

Career Highlights

Hirotoshi Sakaino is currently employed at Toray Industries, Inc., where he continues to develop innovative solutions in the field of color conversion technology. His work has significantly impacted the efficiency of lighting and display technologies, making them more effective and sustainable.

Collaborations

Sakaino has collaborated with notable colleagues, including Daisaku Tanaka and Masaaki Umehara. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hirotoshi Sakaino's contributions to color conversion technology exemplify the importance of innovation in enhancing modern lighting and display systems. His patents reflect a commitment to improving efficiency and durability in these critical areas.

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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