Company Filing History:
Years Active: 1977
Title: Yaichi Ishida: Innovator in Color Photographic Materials
Introduction
Yaichi Ishida is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of photographic technology, particularly in the development of light-sensitive materials.
Latest Patents
Yaichi Ishida holds a patent for a color photographic light-sensitive material. This invention incorporates a tocopherol derivative as a light-fading stabilizer in the photosensitive layer. The stabilizer effectively prevents fading and discoloration of the final color image, as well as the non-color-developed portions. Additionally, it helps to avoid the formation of fog, while demonstrating excellent dispersion stability.
Career Highlights
Ishida is associated with Mitsubishi Paper Mills Limited, where he has applied his expertise in photographic materials. His work has contributed to advancements in the quality and longevity of photographic images.
Collaborations
Throughout his career, Yaichi Ishida has collaborated with notable colleagues, including Hiroshi Ikeda and Shigetoshi Hiraishi. These partnerships have fostered innovation and development in their respective fields.
Conclusion
Yaichi Ishida's contributions to color photographic materials highlight his role as an influential inventor. His patented technology continues to impact the photography industry positively.