Hiroshi Ideda

Title: Hiroshi Ideda: Innovator in Photographic Materials

Introduction

Hiroshi Ideda is a notable inventor based in Hino, Japan. He has made significant contributions to the field of photographic materials, particularly in the development of light-sensitive materials that enhance color reproducibility.

Latest Patents

Hiroshi Ideda holds a patent for a silver halide color photographic light-sensitive material. This innovative material improves color reproducibility and printing suitability against variations in photographing conditions, such as changes in light sources. The photographic material consists of a support and features a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer. Notably, at least one of these emulsion layers has a three-layer structure, which includes a low-speed elemental emulsion layer, a medium-speed elemental emulsion layer, and a high-speed emulsion layer arranged sequentially from the support side. The maximum color density of the medium-speed emulsion layer is capped at 0.35.

Career Highlights

Hiroshi Ideda is associated with Konica Corporation, where he has been instrumental in advancing photographic technology. His work has had a lasting impact on the industry, particularly in enhancing the quality of photographic materials.

Collaborations

Hiroshi has collaborated with notable colleagues, including Koji Tashiro and Hideaki Haraga. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Hiroshi Ideda's innovative work in photographic materials exemplifies the importance of advancements in technology. His contributions continue to influence the field and improve the quality of photographic products.