Yoshuhara Nakamura

Title: Yoshuhara Nakamura: Innovator in Photographic Materials

Introduction

Yoshuhara Nakamura is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic materials, particularly through his innovative patent that enhances the quality and sensitivity of photographic images.

Latest Patents

Nakamura holds a patent for a photographic material that contains fine silver halide particles. This invention focuses on a silver halide photographic material that boasts increased sensitivity and gradient while being free from fog formation during storage. The material comprises a support and an emulsion layer containing very fine silver halide grains, along with a nitrogen-containing heterocyclic organic compound that has a hydroxylamino group. This compound, such as 2-hydroxylamino-4,6-di(ethylamino)-1,3,5-triazine or 2,4-di(hydroxylamino)-6-diethylamino-1,3,5-triazine, significantly enhances the sensitivity of the photographic material, allowing for the recording of fine images with superior sharpness.

Career Highlights

Nakamura is associated with Fuji Photo Film Company, Limited, where he has been able to apply his expertise in developing advanced photographic materials. His work has contributed to the company's reputation for innovation in the imaging industry.

Collaborations

Throughout his career, Nakamura has collaborated with notable colleagues, including Tohru Sueyoshi and Yoshiyuki Nakazawa. These collaborations have further enriched his contributions to the field of photographic technology.

Conclusion

Yoshuhara Nakamura's innovative work in photographic materials exemplifies the impact of scientific advancements on imaging technology. His patent reflects a commitment to enhancing image quality and sensitivity, marking him as a significant figure in the field.