Tokyo, Japan

Ryoji Akiyama

This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignees: Asahi Glass Company, Limited, Agc Inc., Asahi Techno Glass Corporation. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Akiyama. Retrieved from https://idiyas.com/inventor/ryoji-akiyama

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

USPTO Granted Patents = 4 

% Patents Active = 25.0

Average Co-Inventor Count = 5.2

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2011)
  • Tokyo, JP (2010 - 2012)

Company Filing History:


Years Active: 2010-2025

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4 patents (USPTO):Explore Patents

Title: Ryoji Akiyama: Innovator in Glass Technology

Introduction

Ryoji Akiyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of glass technology, holding a total of 4 patents. His innovative work focuses on enhancing the properties of glass materials, making them more functional and efficient.

Latest Patents

One of Akiyama's latest patents is an article with a surface layer that excels in fingerprint stain removability, friction resistance, and adhesion to a protective film. This invention includes a base material and a surface layer that contains specific groups having —O— between carbon-carbon atoms of a fluoroalkyl group. The surface layer is designed to achieve a normalized F intensity within a specific range, ensuring optimal performance.

Another significant patent is a method for etching glass substrates. This method aims to reduce the thickness of glass while achieving a high etching rate and minimizing haze generation on the surface. The etching process involves using an etchant with precise concentrations of HF and HCl, allowing for controlled and effective results.

Career Highlights

Ryoji Akiyama has worked with prominent companies in the glass industry, including Asahi Glass Company, Limited and Asahi Techno Glass Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in glass technology.

Collaborations

Akiyama has collaborated with notable colleagues such as Yoshitaka Saijo and Yuichi Suzuki. These partnerships have likely fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Ryoji Akiyama's contributions to glass technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to pave the way for advancements in material science and engineering.

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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