Yoichiro Azuma

Title: Yoichiro Azuma: Innovator in Thermal Recording Technology

Introduction

Yoichiro Azuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of thermal recording materials, holding a total of 7 patents. His innovative work has paved the way for advancements in image recording technology.

Latest Patents

One of his latest patents is for a reversible thermal recording material and method of recording images on this material. This technology allows for high-contrast recordings with exceptional sensitivity, enabling images to be erased and re-recorded up to 1,000 times. The reversible thermal recording material consists of a leuco dye, a reversible developer, and a light-heat-converting dye. Notably, the light-heat-converting dye exhibits a deterioration ratio of 20% or less when subjected to a laser beam with a wavelength of 830 nm, applied repeatedly at a specific energy level. The method of recording involves applying a laser beam to the material, where the colored leuco dye is achromatized using energy that is 25 to 65% of the energy of the laser beam.

Career Highlights

Throughout his career, Yoichiro Azuma has worked with notable companies, including Kel Corporation and Mitsubishi Paper Mills Limited. His experience in these organizations has contributed to his expertise in thermal recording technologies.

Collaborations

He has collaborated with esteemed colleagues such as Yasuhiro Ono and Shigenori Koike, further enhancing the innovative potential of his projects.

Conclusion

Yoichiro Azuma's contributions to thermal recording technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials and methods that push the boundaries of image recording capabilities.