Katsushige Kamada

Title: Innovations of Katsushige Kamada in Photographic Processing

Introduction

Katsushige Kamada is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of photographic processing, particularly in the development of methods for processing silver halide color photographic materials. With a total of 2 patents, his work has had a lasting impact on the photography industry.

Latest Patents

Kamada's latest patents include a method of processing silver halide color photographic materials. This method involves processing an imagewise exposed silver halide color photographic material with a color developing solution, followed by treatment with a bleach-fixing solution containing an imidazole compound. The replenishment rate of the bleach-fixing solution is limited to 200 ml or less per square meter of the photographic material. Another patent details a process for processing a silver halide color photographic material, which includes color developing with a solution containing an aromatic primary amine color developing agent. This process also specifies that the replenishment rate of the color developer should be 600 ml or less per square meter of the photographic material.

Career Highlights

Katsushige Kamada is associated with Fuji Photo Film Company, Limited, where he has been instrumental in advancing photographic technology. His innovative approaches have contributed to the efficiency and quality of photographic processing.

Collaborations

Kamada has worked alongside notable colleagues such as Keiji Mihayashi and Yoshihiro Fujita. Their collaborative efforts have further enhanced the development of photographic materials and processing techniques.

Conclusion

Katsushige Kamada's contributions to the field of photographic processing through his patents and collaborations have significantly influenced the industry. His innovative methods continue to shape the way photographic materials are processed today.