Matsusaka, Japan

Toshiharu Yanai

This inventor holds 4 USPTO granted patents. Top assignees: Central Glass Company, Limited, Nissan Motor Company Limited. Active years: 1979-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Yanai. Retrieved from https://idiyas.com/inventor/toshiharu-yanai

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1979-1989

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4 patents (USPTO):Explore Patents

Title: Inventor Toshiharu Yanai: Innovating Glass Technologies

Introduction

Toshiharu Yanai, an accomplished inventor based in Matsusaka, Japan, holds a significant portfolio of four patents. His contributions to the field of glass technology showcase innovative solutions that enhance the functionality and quality of glass products used in various applications.

Latest Patents

Among the notable inventions attributed to Yanai are two cutting-edge patents that focus on improving glass for copying machines. The first, titled "Glass Board for Copying Machines and Method of Producing Same," presents a transparent glass board specifically designed for use in document copying machines. This invention incorporates a transparent antistatic coating layer made from tin oxide and/or indium oxide, ensuring optimal conditions for smooth sliding of original document sheets. Additionally, a lubricative coating layer using an organic silicon compound enhances the sheet's contact surface, further facilitating effective copying.

His second patent, "Method of Producing Heat-Reflecting Glass Plate by Coating with Titanium," outlines an innovative technique for creating heat-reflecting glass plates. By using a thermally decomposable organic titanium compound in conjunction with chelate ligands, Yanai improves the quality of titanium oxide coatings applied to glass surfaces. This method significantly enhances the coating's resistance to moisture, ensuring superior performance.

Career Highlights

Toshiharu Yanai has made substantial contributions through his work with prominent organizations such as Central Glass Company, Limited and Nissan Motor Company Limited. His roles in these companies undoubtedly played a crucial part in advancing glass technologies and fostering innovative solutions in the industry.

Collaborations

Throughout his career, Yanai collaborated with esteemed coworkers Seiki Okino and Katsuto Tanaka. These partnerships likely facilitated the exchange of ideas and further propelled the development of groundbreaking inventions in the realm of glass technology.

Conclusion

Toshiharu Yanai’s inventive spirit and dedication to technological advancement have established him as a notable figure in the glass innovation sector. His patented inventions not only improve the functionality of products like copying machines but also showcase the potential for future developments in glass technology. Yanai's work continues to inspire new generations of inventors seeking to enhance the capabilities of glass materials.

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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