Kanagawa, Japan

Soichiro Yamamoto

This inventor holds 22 USPTO granted patents, primarily in Color Imaging Technology. Top assignee: Fuji Photo Film Company, Limited. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Soichiro Yamamoto. Retrieved from https://idiyas.com/inventor/soichiro-yamamoto

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 123(Granted Patents)


Location History:

  • Minami-ashigara, JP (1988 - 1992)
  • Kanagawa, JP (1985 - 1993)

Company Filing History:


Years Active: 1985-1993

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Areas of Expertise:
Color Image Formation
High-Speed Development
Light-Sensitive Materials
Silver Halide
Photographic Processes
Presensitized Lithographic Plates
Image-Recording Methods
Resin Coatings
Pigment Mixture
Photographic Paper
22 patents (USPTO):Explore Patents

Title: Innovating Color Imaging: The Patented Contributions of Soichiro Yamamoto

Introduction

Soichiro Yamamoto is a prominent inventor based in Kanagawa, Japan, renowned for his significant contributions to the field of color imaging technology. With a remarkable portfolio of 22 patents, Yamamoto has made a lasting impact on photographic processes, particularly through his innovative methods of color development.

Latest Patents

Among Yamamoto's latest patents, the "Color Image Forming Process" stands out. This patent describes a sophisticated process that color develops an imagewise exposed silver halide color photographic material using a developer containing an aromatic primary amine color developing agent. Notably, the photographic material involves at least one silver halide emulsion layer rich in silver chloride, boasting no significant content of silver iodide. Moreover, it introduces an iron compound that enhances image quality by influencing the grains' surface characteristics.

Another noteworthy patent is the "Method of Forming a Color Image by High-Speed Development Processing." This innovation outlines a method for producing color images by exposing photographic material to color development solutions at specific temperatures and time frames. The process utilizes a jet stream to ensure even exposure of the photosensitive layer, leading to superior photographic results. Yamamoto's inventions reflect a deep understanding of material chemistry and advanced imaging technology.

Career Highlights

Soichiro Yamamoto has spent a significant portion of his career with Fuji Photo Film Company, Limited, where he has played a pivotal role in developing next-generation imaging technologies. His extensive experience and technical knowledge have allowed him to spearhead innovative projects that have resulted in numerous patents.

Collaborations

Throughout his tenure, Yamamoto has collaborated with notable colleagues, including Kozo Sato and Yasuo Aotsuka. These partnerships have fostered a collaborative environment that emphasizes creativity and innovation, further solidifying Fuji Photo Film Company's reputation as a leader in imaging technology.

Conclusion

Soichiro Yamamoto's achievements in color imaging technology are a testament to his ingenuity and dedication as an inventor. With his extensive patent portfolio, he continues to push the boundaries of photographic processes, influencing the industry and leaving a significant mark on imaging innovation. His work serves as an inspiration for future inventors striving to advance technology in meaningful ways.

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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