Osaka, Japan

Akio Tokuyama

This inventor holds 8 USPTO granted patents. Top assignee: Nippon Paint Compnay, Ltd.. Active years: 1985-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Tokuyama. Retrieved from https://idiyas.com/inventor/akio-tokuyama

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 = 3.9

ph-index = 4

Forward Citations = 33(Granted Patents)


Location History:

  • Hirakata, JP (1985 - 1991)
  • Osaka, JP (1991 - 1995)

Company Filing History:


Years Active: 1985-1995

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8 patents (USPTO):Explore Patents

Title: Akio Tokuyama: Innovator in Surface Treatment and Coating Technologies

Introduction

Akio Tokuyama is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of surface treatment and coating technologies. With a total of 8 patents to his name, Tokuyama's work has had a considerable impact on various industrial applications.

Latest Patents

One of his latest patents is a method for phosphating metal surfaces with zinc phosphate. This innovative technique allows for the treatment of iron-based, zinc-based, and aluminum-based surfaces using a single solution. The treating solution is carefully adjusted to contain a simple fluoride in a concentration range of 200 to 500 mg/l, converted into HF concentration. Additionally, it includes a fluoride complex and is adjusted to maintain an active fluorine concentration between 15 and 130 µA, as indicated by a silicon electrode meter. Another notable patent involves a water-based resin dispersion and resin composition for coating. This invention focuses on creating a resin film that exhibits excellent adhesion to metal and other materials, as well as superior alkaline resistance. The water-based resin dispersion is produced through emulsion polymerization of a specific monomer mixture, ensuring optimal performance in various applications.

Career Highlights

Akio Tokuyama is currently associated with Nippon Paint Company, Ltd., where he continues to develop innovative solutions in the field of coatings and surface treatments. His expertise and dedication to research have positioned him as a key figure in the industry.

Collaborations

Throughout his career, Tokuyama has collaborated with notable colleagues, including Tamotsu Sobata and Koetsu Endo. These partnerships have further enhanced his contributions to the field and fostered a collaborative environment for innovation.

Conclusion

Akio Tokuyama's work in surface treatment and coating technologies exemplifies the spirit of innovation. His patents reflect a commitment to advancing industrial applications and improving product performance. His contributions continue to influence the industry and inspire future developments.

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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