This inventor holds 5 USPTO granted patents. Top assignee: Konishiroku Photo Industry Co., Ltd.. Active years: 1978-1986.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Odawara, JP (1983)
- Hino, JP (1978 - 1986)
Company Filing History:
Years Active: 1978-1986
Title: Akihiko Miyamoto: Innovator in Photographic Materials
Introduction
Akihiko Miyamoto is a prominent inventor based in Hino, Japan. He has made significant contributions to the field of photographic materials, holding a total of 5 patents. His work focuses on enhancing the sensitivity and quality of silver halide photographic materials.
Latest Patents
Miyamoto's latest patents include innovative advancements in silver halide photographic materials. One notable patent describes silver halide photographic materials with higher sensitivity and less fogging. This invention features at least one silver halide emulsion layer over a photographic base, where the emulsion contains core/shell-type silver halide grains. The core portion of these grains contains a greater amount of silver iodide than the shell portion, and the emulsion undergoes chemical ripening in the presence of a labile selenium compound. Additionally, it may include a specific phenol compound.
Another significant patent outlines a method for the formation of a dye image. This method involves a silver halide color photographic light-sensitive material that has a support and component layers with a swelling degree below 250 in an alkaline bath. The material is color developed using an aromatic primary amine color developing agent and processed in a bleach-fixing bath.
Career Highlights
Akihiko Miyamoto is associated with Konishiroku Photo Industry Co., Ltd., where he continues to innovate in the field of photography. His work has been instrumental in advancing photographic technology and improving the quality of photographic materials.
Collaborations
Miyamoto has collaborated with notable coworkers, including Keiji Ohbayashi and Masaru Iwagaki. Their combined expertise has contributed to the development of cutting-edge photographic technologies.
Conclusion
Akihiko Miyamoto's contributions to the field of photographic materials have established him as a key innovator. His patents reflect a commitment to enhancing the quality and sensitivity of photographic processes. His work continues to influence the industry and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile