Mitsuo Usuba

Title: Mitsuo Usuba: Innovator in Photoconductive Materials

Introduction

Mitsuo Usuba, based in Tokyo, Japan, is a notable inventor recognized for his contributions to the field of photoconductive materials. With one patent to his name, Usuba has made significant advancements in the realm of chemical compositions used in electrophotography.

Latest Patents

Usuba holds a patent for a novel composition of titanyl phthalocyanine, along with a method for its manufacture. This innovative composition showcases remarkably strong absorptions in its infrared absorption spectrum, specifically at wavenumbers of 1490±2, 1415±2, 1332±2, 1119±2, 1072±2, 1060±2, 961±2, 893±2, 780±2, 751±2, and 730±2 cm^-1. The new formulation demonstrates exceptional solvent stability, dispersibility, and enhanced photoelectric conversion efficiency. By incorporating compounds of other phthalocyanines or naphthalocyanines as additives, Usuba's composition can be crystallized, resulting in a high-quality electrophotographic photosensitive material.

Career Highlights

Usuba is currently employed at NEC Corporation, where he leverages his expertise to develop innovative technologies within the electronics sector. His groundbreaking work with titanyl phthalocyanine illustrates his commitment to advancing materials science and enhancing the performance of photoconductive devices.

Collaborations

Throughout his career, Mitsuo Usuba has collaborated with esteemed colleagues, including Shigemasa Takano and Yoshikazu Mimura. These partnerships have fostered an environment of shared knowledge and innovation, pushing the boundaries of conventional research in the materials field.

Conclusion

Mitsuo Usuba stands out as a key figure in the development of advanced photoconductive materials. His innovative contributions, particularly through his patented compositions, not only highlight his inventiveness but also underscore the potential advancements in technology and electronics. As the demand for more efficient materials continues to grow, Usuba's work remains at the forefront of this critical field.