Mihoko Okawa

Title: Mihoko Okawa: Innovator in Anti-Counterfeiting Technologies

Introduction

Mihoko Okawa is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of anti-counterfeiting technologies, holding a total of 4 patents. Her innovative work focuses on creating mediums that enhance security and prevent counterfeiting.

Latest Patents

Mihoko Okawa's latest patents include an anti-counterfeiting medium that features a support substrate, an OVD forming layer, and a latent image layer. The latent image layer consists of multiple regions with optical axes of a birefringent material aligned in different directions. Additionally, the OVD forming layer is composed of an uneven-structure-forming layer, which includes a first region with a flat part and several convexities or concavities, and a second region that is flat. Each convexity and concavity has dimensions ranging from 0.3 to 5 micrometers and a height or depth of 0.1 to 0.5 micrometers or less. Another patent involves an anti-counterfeiting medium that includes a recording medium and a polarizer layer. This polarizer layer has a low extinction-ratio area that forms an image portion, differing from other areas of the polarizer layer.

Career Highlights

Mihoko Okawa is currently employed at Toppan Printing Co., Ltd., where she continues to develop innovative solutions in the field of anti-counterfeiting. Her work has garnered attention for its potential applications in various industries, enhancing product security and consumer trust.

Collaborations

Mihoko collaborates with talented individuals such as Hideki Ochiai and Yuki Kotegawa, contributing to a dynamic team focused on advancing anti-counterfeiting technologies.

Conclusion

Mihoko Okawa's contributions to anti-counterfeiting technologies highlight her innovative spirit and dedication to enhancing security measures. Her patents reflect a commitment to creating effective solutions that address the challenges of counterfeiting in today's market.