Koichi Ueda

Title: Koichi Ueda: Innovator in Silver Halide Photographic Materials

Introduction

Koichi Ueda is a notable inventor recognized for his contributions to the field of silver halide photographic materials. He is based in Hino, Japan, and has been awarded 2 patents for his innovative processes in this area. His work has significantly impacted the development of photographic emulsions.

Latest Patents

Ueda's latest patents include a process for producing silver halide photographic material. This process involves adding at least 10 mg of a calcium salt per mole of silver halide during the ripening stages of the emulsion. Additionally, he has developed a process for preparing a monodisperse core/shell type silver halide photographic emulsion. This process ensures that the average silver iodide content in the grains is maintained between 0.5 to 10 mole %, enhancing the quality of photographic materials.

Career Highlights

Throughout his career, Ueda has worked with prominent companies in the photographic industry, including Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His expertise in the field has led to advancements in photographic technology and materials.

Collaborations

Ueda has collaborated with notable coworkers such as Isamu Morimoto and Hiroyuki Ushiroyama. These partnerships have contributed to the innovative processes he has developed in photographic materials.

Conclusion

Koichi Ueda's work in silver halide photographic materials showcases his innovative spirit and dedication to advancing photographic technology. His patents reflect a deep understanding of the complexities involved in photographic emulsion production.