Masaharu Koyama

Title: Masaharu Koyama: Innovator in Anti-Counterfeit Technology

Introduction

Masaharu Koyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of anti-counterfeit technology, holding two patents that enhance the security of various financial documents and valuable items.

Latest Patents

Koyama's latest patents focus on methods for creating anti-counterfeit latent image formation objects. These inventions are designed for use in bills, bank notes, security papers, credit cards, passports, and other valuable printing matters. The first patent describes an object that includes a main body with a plurality of projections and/or recesses, which exhibit various patterns. These patterns can include straight image lines, relief patterns, or combinations thereof. The patterns are visually recognizable only when viewed from specific angles, adding an extra layer of security. The second patent similarly outlines an anti-counterfeit object with distinct features, including straight lines printed in different colors from the main body, enhancing its security capabilities.

Career Highlights

Masaharu Koyama serves as the Director-General of the Printing Bureau at the Ministry of Finance in Japan. His role involves overseeing the production and security of printed materials, ensuring that they meet the highest standards of integrity and protection against counterfeiting.

Collaborations

Koyama has worked alongside notable colleagues such as Toshinori Tanaka and Satoru Nishiyama. Their collaborative efforts have contributed to advancements in the field of anti-counterfeit technologies.

Conclusion

Masaharu Koyama's innovative work in anti-counterfeit technology has made a significant impact on the security of financial documents and valuable items. His patents reflect a commitment to enhancing the integrity of printed materials, showcasing his expertise and dedication to innovation.