Katsurou Nagaoka

Title: The Innovations of Katsurou Nagaoka

Introduction

Katsurou Nagaoka is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic materials, particularly in the development of light-sensitive materials. With a total of 2 patents to his name, Nagaoka's work has had a lasting impact on photography.

Latest Patents

Nagaoka's latest patents include a silver halide color photographic light-sensitive material and a silver halide photographic light-sensitive material. The first patent describes a silver halide color photograph light-sensitive material that boasts improved push-processing suitability. This innovative material consists of a support with at least one blue-sensitive emulsion layer, one green-sensitive emulsion layer, and one red-sensitive emulsion layer. Notably, the layers adjacent to each color-sensitive layer contain yellow colloidal silver. The second patent discloses a silver halide photographic light-sensitive material featuring at least one silver halide emulsion layer formed on a support. This material includes a regular silver halide emulsion and a tabular silver halide emulsion, which contains tabular silver halide grains with a specific diameter-to-thickness ratio. Additionally, it incorporates a silver halide emulsion with internal latent-image silver halide grains that are chemically sensitized.

Career Highlights

Katsurou Nagaoka is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of photographic technology. His work has contributed to advancements in photographic materials that enhance image quality and processing capabilities.

Collaborations

Throughout his career, Nagaoka has collaborated with esteemed colleagues such as Akihiko Ikegawa and Masayuki Kuramitsu. These collaborations have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Katsurou Nagaoka's contributions to photographic technology through his patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and inspire future innovations in photographic materials.