Location History:
- Minami-ashigara, JA (1976 - 1977)
- Minami Ashigara, JP (1978 - 1981)
- Kanagawa, JP (1989 - 1990)
Company Filing History:
Years Active: 1976-1990
Title: Seiki Sakanoue: Innovator in Silver Halide Color Photographic Materials
Introduction
Seiki Sakanoue is a prominent inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photography, particularly in the development of silver halide color photographic materials. With a total of 11 patents to his name, Sakanoue's work has greatly influenced the quality and durability of photographic products.
Latest Patents
One of Sakanoue's latest patents involves a silver halide color photographic material that comprises a support with at least one silver halide emulsion layer. This emulsion layer contains a dispersion of oleophilic fine particles, which include an oil-soluble cyan coupler capable of forming non-diffusible cyan dye. The material is designed to provide excellent preservability, particularly in resisting dark and light discoloration. Another notable patent features a silver halide color photographic material that includes a pyrazoloazole series magenta coupler. This innovative coupler enhances light fastness and coloring properties, making it a valuable addition to photographic technology.
Career Highlights
Sakanoue is associated with Fuji Photo Film Company, Limited, where he has played a crucial role in advancing photographic technology. His expertise in silver halide materials has positioned him as a key figure in the industry, contributing to the development of high-quality photographic products.
Collaborations
Throughout his career, Sakanoue has collaborated with notable coworkers, including Yukio Maekawa and Shinsaku Fujita. These partnerships have fostered innovation and have led to the successful development of various photographic materials.
Conclusion
Seiki Sakanoue's contributions to the field of photography through his innovative patents have significantly enhanced the quality of silver halide color photographic materials. His work continues to influence the industry, ensuring that photographic products meet high standards of durability and performance.