Location History:
- Kanagawa, JA (1976)
- Minami-ashigara, JA (1976 - 1978)
- Minami-ashigara, JP (1979 - 1983)
Company Filing History:
Years Active: 1976-1983
Title: Akio Okumura: Innovator in Photographic Technology
Introduction
Akio Okumura is a prominent inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic technology, holding a total of 15 patents. His work has advanced the development of photographic light-sensitive elements, which are crucial in the imaging process.
Latest Patents
Among his latest patents is a photographic light-sensitive element that contains a yellow color coupler. This invention includes a silver halide emulsion layer that utilizes an alpha-diacylamino substituted (aliphatic acyl) acetamide yellow dye forming coupler. The method for forming yellow dye images involves processing a silver halide photographic emulsion with an aromatic primary amino developing agent in the presence of this compound. This coupler is recognized as an excellent two-equivalent coupler. Another notable patent details the process of forming a dye image by developing an image-exposed silver halide photographic emulsion layer using an aromatic primary amine color developing agent alongside the yellow dye forming coupler.
Career Highlights
Akio Okumura is associated with Fuji Photo Film Company, Limited, where he has contributed to various innovative projects. His expertise in photographic technology has positioned him as a key figure in the industry.
Collaborations
He has collaborated with notable coworkers, including Keisuke Shiba and Yukio Yokota, to further enhance the advancements in photographic technology.
Conclusion
Akio Okumura's contributions to photographic technology through his patents and collaborations have significantly impacted the field. His innovative work continues to influence the development of imaging technologies.