Hino, Japan

Eiji Yoshida

This inventor holds 9 USPTO granted patents. Top assignees: Konica Corporation, Konishiroku Photo Industry Co., Ltd.. Active years: 1987-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Yoshida. Retrieved from https://idiyas.com/inventor/eiji-yoshida-vl2gj295

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 6

Forward Citations = 70(Granted Patents)


Location History:

  • Hachioji, JP (1987 - 1989)
  • Hino, JP (1987 - 1991)

Company Filing History:


Years Active: 1987-1991

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9 patents (USPTO):Explore Patents

Title: The Innovative Journey of Eiji Yoshida: A Visionary in Photographic Technology

Introduction: Eiji Yoshida, an accomplished inventor based in Hino, Japan, has made significant contributions to the field of photography. With a total of nine patents to his name, Yoshida's advancements have played a crucial role in the evolution of light-sensitive materials.

Latest Patents: Among his latest innovations, Yoshida has developed a light-sensitive silver halide photographic material that is highly feasible for advanced applications. This invention features a unique photographic element comprising layers that are applied under specific conditions, ensuring optimal performance. One notable aspect of this invention is that it utilizes a coating solution for forming an outermost layer with a surface tension smaller than that of the solution for the adjacent layer. Additionally, he has introduced a silver halide photographic material containing at least one hydrophilic colloidal layer that retains optimal water content during processing, specifically tailored for roller transport type automatic processors.

Career Highlights: Eiji Yoshida's career spans several years in notable companies, including Konica Corporation and Konishiroku Photo Industry Co., Ltd. His work in these organizations has been instrumental in driving innovation within the photographic industry. His unique insights and technical expertise have positioned him as a leading figure in developing advanced photographic technologies.

Collaborations: Throughout his career, Yoshida has collaborated with esteemed colleagues such as Akio Suzuki and Satoru Nagasaki. Together, they have worked on various projects that have further enhanced the capabilities and quality of photographic materials, cementing their legacy in the field.

Conclusion: Eiji Yoshida's dedication to innovation and his extensive portfolio of patents underscore his impact on the photography sector. His contributions not only highlight his inventive prowess but also reflect the ongoing evolution of photographic technology. As the industry continues to progress, Yoshida's work remains a cornerstone of photographic advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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