Mitsuhiro Okumura

Title: **Innovator Spotlight: Mitsuhiro Okumura**

Introduction

Mitsuhiro Okumura is a celebrated inventor hailing from Hino, Japan. With an impressive portfolio of 24 patents, his contributions to the field of photographic materials have significantly advanced technology in the industry.

Latest Patents

Among his latest innovations, Okumura has developed a silver halide light-sensitive photographic material. This material consists of a support and a blue-sensitive silver halide emulsion layer. The key feature of this invention is a mixture of at least two silver halide emulsions, each containing silver chloride grains or silver chlorobromide grains with a high purity of 90 mol % of silver chloride. The grain size ranges from 0.6 µm to 0.9 µm, demonstrating a careful balance between sensitivity and grain uniformity. Additionally, the amount of blue-sensitizing dye in the emulsion layer is meticulously controlled to not exceed 7.0 x 10^-4 g/m². Another noteworthy patent of his is a silver halide photographic light-sensitive material that contains a gelatin enriched with iron ions, showcasing a blend of chemistry and material science aimed at improving photographic quality.

Career Highlights

Throughout his career, Okumura has made substantial contributions while working for notable companies such as Konica Corporation and Konishiroku Photo Industry Co., Ltd. His tenure at these organizations has allowed him to shape the development of advanced photographic materials, directly impacting the realm of imaging technology.

Collaborations

Okumura has collaborated with distinguished colleagues, including Shigeo Tanaka and Keiji Ohbayashi. These partnerships have fostered innovation, combining their expertise to advance the field of photography and imaging technologies.

Conclusion

Mitsuhiro Okumura's dedication to innovation has left a lasting mark on the photography industry. With 24 patents to his name, his work continues to influence emerging technologies, reaffirming the significance of his contributions to photographic materials. His inventive spirit and collaborations have paved the way for new advancements, ensuring that his impact will resonate in the field for years to come.