Hirotada Ohkawa

Title: Hirotada Ohkawa: Innovator in Volume Holography

Introduction

Hirotada Ohkawa is a prominent inventor based in Tokyo-to, Japan. He has made significant contributions to the field of volume holography, holding a total of 2 patents. His innovative work focuses on enhancing the functionality and reliability of holographic materials.

Latest Patents

Ohkawa's latest patents include a "Lengthy Volume Hologram Layer Transfer Foil" and a "Multilayer Volume Hologram, and Label for Multilayer Volume Hologram Fabrication." The first patent provides a lengthy volume hologram layer transfer foil capable of transferring a volume hologram layer continuously to a specified position of a transfer-receiving member. This invention features a substrate, a volume hologram layer, and a heat seal layer, characterized by a cut portion that penetrates through the heat seal layer. The second patent focuses on a multilayer volume hologram that enhances protection for the volume hologram, ensuring reliable counterfeit-proofness.

Career Highlights

Hirotada Ohkawa is associated with Dai Nippon Printing Co., Ltd., where he has been instrumental in developing advanced holographic technologies. His work has significantly impacted the industry, leading to innovations that improve the security and functionality of holographic applications.

Collaborations

Ohkawa has collaborated with notable colleagues, including Tetsuya Toshine and Hiroyuki Ohtaki. Their combined expertise has contributed to the advancement of holographic technologies and applications.

Conclusion

Hirotada Ohkawa's contributions to volume holography exemplify the innovative spirit of modern inventors. His patents reflect a commitment to enhancing the security and functionality of holographic materials, making a lasting impact in the field.