Masao Ishibara

Title: Masao Ishibara: Innovator in Photographic Materials

Introduction

Masao Ishibara is a notable inventor based in Hino, Japan. He has made significant contributions to the field of photographic materials, particularly through his innovative patent related to light-sensitive silver halide photographic materials. His work has had a lasting impact on the photography industry.

Latest Patents

Ishibara holds a patent that focuses on improving the static resistance of light-sensitive silver halide photographic materials. This is achieved by treating the material with a solution or dispersion of a polymer containing quaternary ammonium groups, which also serves as an antifoaming agent in processing solutions. The polymeric moiety of the polymer has a specific formula that includes various alkyl and alkylene groups, contributing to the enhanced performance of photographic materials. He has 1 patent to his name.

Career Highlights

Throughout his career, Ishibara has worked with prominent companies in the industry, including Konishiroku Photo Industry Co., Ltd. and Hokuetsu Paper Mills, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in photographic technology.

Collaborations

Ishibara has collaborated with notable individuals in the field, including Masayoshi Mayama and Sadatugu Terada. These collaborations have further enriched his work and contributed to advancements in photographic materials.

Conclusion

Masao Ishibara's contributions to the field of photographic materials demonstrate his innovative spirit and dedication to improving technology in photography. His patent reflects a significant advancement that continues to influence the industry today.