Masanobu Miyoshi

Title: **Innovative Contributions of Masanobu Miyoshi**

Introduction

Masanobu Miyoshi is a prominent inventor based in Odawara, Japan, known for his significant contributions to the field of photographic materials. With a total of 21 patents to his name, Miyoshi has been at the forefront of innovation in color photographic technology, particularly in light-sensitive silver halide materials.

Latest Patents

Miyoshi’s latest patents showcase his expertise in developing advanced color photographic light-sensitive materials for printing use. One of his notable inventions includes a color photographic light-sensitive material that comprises a reflection-type support bearing blue-sensitive, green-sensitive, and red-sensitive silver halide emulsion layers. This particular invention emphasizes the use of a monodispersed silver halide emulsion and includes a magenta coupler that enhances the stability and quality of the photographic prints.

Another significant patent involves the light-sensitive silver halide color photographic material that features emulsion layers containing grains with outer surfaces principally comprised of the {100} face. This innovation is designed to achieve high sensitivity in color photographic materials while minimizing fog and improving color reproducibility.

Career Highlights

Throughout his career, Miyoshi has been affiliated with influential organizations, including Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work at these companies has facilitated advancements in photographic technology, positioning him as a key figure in this domain.

Collaborations

Miyoshi has collaborated with several notable coworkers, including Makoto Kajiwara and Kaoru Onodera. These partnerships have fostered a collaborative research environment that has greatly benefited the innovations he has brought to the field of photography.

Conclusion

Masanobu Miyoshi's contributions to the field of photographic materials through his 21 patents demonstrate his dedication to innovation and excellence. His continued work in developing advanced light-sensitive materials has significantly impacted the industry, ensuring high-quality color reproduction in photographic processes.