Noboru Itoh

Title: Innovations by Noboru Itoh: A Pioneer in Photographic Materials

Introduction

Noboru Itoh is an influential inventor located in Hino, Japan, known for his contributions to the field of photographic materials. With a remarkable track record of holding two patents, Itoh has significantly advanced the technology behind light-sensitive cuprous halide emulsions, making notable improvements in image quality.

Latest Patents

Itoh's latest patents showcase his innovative approaches to developing photographic materials. The first patent, titled "Method for preparing a light-sensitive cuprous halide emulsion," discloses a unique method of preparing an emulsion that involves reducing cupric ions using an ascorbic acid derivative in the presence of halogen ions. This process highlights the inventive chemistry behind creating sensitive emulsions crucial for photographic applications.

The second patent, "Method of forming an image with a photographic cuprous halide material," details an image-forming method that utilizes a photosensitive material consisting of a support and a photosensitive copper (I) halide emulsion containing silver halide. This technique allows for both dry and wet exposure, resulting in images with enhanced color density, contrast, and a neutral tone. Itoh's patents reflect significant advancements in the photographic industry, improving both the technical feasibility and the quality of images produced.

Career Highlights

Noboru Itoh works for Konishiroku Photo Industry Co., Ltd., a company renowned for its innovation in photographic technologies. His work there has facilitated many advancements in photographic techniques and materials, cementing his reputation as a leading inventor in the field.

Collaborations

Throughout his career, Itoh has collaborated with notable colleagues such as Toshiaki Takahashi and Keiji Ogi. These partnerships have enabled the exchange of ideas and fostered innovative solutions in photographic technology, making a lasting impact in their industry.

Conclusion

Noboru Itoh's contributions to the field of photographic materials through his patents demonstrate his dedication to innovation and quality. His work continues to influence the evolution of imaging technology, ensuring that the photographic community benefits from improved methods and materials that enhance image quality. As a prominent figure in the industry, Itoh's inventions are valuable assets to photographers and researchers alike.