Yasuji Koga

Title: Yasuji Koga: Innovator in Recording Materials

Introduction

Yasuji Koga is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of recording materials, holding a total of 2 patents. His work focuses on developing innovative materials that enhance the functionality and efficiency of recording technologies.

Latest Patents

Koga's latest patents include advancements in pressure-sensitive and heat-sensitive recording materials. The pressure-sensitive recording material utilizes a color-forming reaction between a colorless or light-colored basic dye and a color acceptor. This invention features various configurations, including layers formed on different substrates and superposed layers on a single substrate. The basic dye is encapsulated in synthetic high polymer microcapsules, ensuring optimal performance.

His heat-sensitive recording material contains a recording layer with a colorless or light-colored basic dye and a color acceptor. This material is characterized by the inclusion of an ethyleneimine derivative, which serves as a preservability improving agent for record images. These innovations demonstrate Koga's commitment to enhancing recording technologies.

Career Highlights

Yasuji Koga is associated with Kanzaki Paper Manufacturing Co., Ltd., where he applies his expertise in developing advanced recording materials. His work has contributed to the company's reputation for innovation in the paper manufacturing industry.

Collaborations

Koga has collaborated with notable coworkers, including Tetsuo Tsuchida and Haruo Omura. Their combined efforts have led to significant advancements in the field of recording materials.

Conclusion

Yasuji Koga's contributions to the development of recording materials highlight his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of material science and its applications in recording technologies.