Yasumasa Numata

Title: Yasumasa Numata: Innovator in Photographic Materials

Introduction

Yasumasa Numata is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of photographic materials, particularly in the development of silver halide color photographic materials. His innovative work has led to advancements in color reproduction and processing efficiency.

Latest Patents

Yasumasa Numata holds a patent for a silver halide color photographic material. This material is designed to be processed using a development scheme that includes a color developer with a pH of at least 11. The invention features a specific pyrazoloazole-based magenta coupler and a compound that reacts with the oxidized product of a color developing agent, which significantly improves granularity and color reproduction while allowing for efficient desilvering. He has 1 patent to his name.

Career Highlights

Numata is associated with Konica Corporation, where he has been instrumental in advancing photographic technology. His work has not only enhanced the quality of photographic materials but has also contributed to the overall efficiency of the development process.

Collaborations

Throughout his career, Yasumasa Numata has collaborated with notable colleagues, including Yoshihiro Haga and Katuya Yabuuchi. These collaborations have fostered innovation and have played a crucial role in the development of new technologies in the field.

Conclusion

Yasumasa Numata's contributions to the field of photographic materials exemplify the spirit of innovation. His work continues to influence the industry, making significant strides in the quality and efficiency of photographic processes.