Company Filing History:
Years Active: 1985-1990
Title: Sadao Kamei: Innovator in Photographic Materials
Introduction
Sadao Kamei is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of photographic materials, holding a total of four patents. His work has been instrumental in advancing the technology behind silver halide color photographic materials.
Latest Patents
Kamei's latest patents include a silver halide color photographic light-sensitive material. This innovative material contains a combination of a pyrazolo-azole magenta coupler and a specific dye image stabilizing agent. The stabilizing agent is effective in improving the fastness of a dye image formed by the coupler to light, heat, and moisture. Another significant patent is for a silver halide color photographic material that comprises a support with at least one silver halide photographic emulsion layer. This layer includes colloidal silver and specific compounds that enhance the material's performance.
Career Highlights
Sadao Kamei has dedicated his career to the Fuji Photo Film Company, Limited. His work has led to advancements in photographic technology, particularly in the development of light-sensitive materials that enhance image quality and durability.
Collaborations
Kamei has collaborated with notable coworkers such as Masakazu Morigaki and Toshio Kawagishi. Their combined expertise has contributed to the success of various projects within the company.
Conclusion
Sadao Kamei's innovative work in photographic materials has made a lasting impact on the industry. His patents reflect a commitment to improving the quality and longevity of photographic images.