Minamiashigara, Japan

Sadanobu Shuto

This inventor holds 21 USPTO granted patents, primarily in Silver Halide Photography. Top assignee: Fuji Photo Film Company, Limited. Active years: 1986-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadanobu Shuto. Retrieved from https://idiyas.com/inventor/sadanobu-shuto

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


% Patents Active = 95.2

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 118(Granted Patents)


Location History:

  • Kanagawa, JP (1986 - 1994)
  • Minami-ashigara, JP (1995 - 2004)

Company Filing History:


Years Active: 1986-2004

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Areas of Expertise:
Silver Halide
Color Reversal
Photographic Material
Light-Sensitive Emulsion
Direct Positive
Processing Method
Latent Image
Tabular Silver Halide
21 patents (USPTO):Explore Patents

Title: Innovative Contributions of Sadanobu Shuto in Photographic Technology

Introduction

Sadanobu Shuto, a prolific inventor based in Minami-Ashigara, Japan, has made significant contributions to the field of photographic technology. With an impressive portfolio of 21 patents, Shuto's work primarily revolves around improving photographic materials and techniques, particularly in color reproduction.

Latest Patents

Among his latest inventions is a groundbreaking patent for a silver halide color reversal photographic light-sensitive material. This invention specifically addresses the need for enhanced skin color reproduction in photographic processes. Shuto's innovative approach focuses on creating a color reversal photographic light-sensitive material that excels in gray and skin tone reproduction. It is designed to deliver preferable chroma and saturation levels, making it exceptional for capturing various skin tones with improved fidelity.

Career Highlights

Shuto is currently affiliated with Fuji Photo Film Company, Limited, a renowned leader in the photographic and imaging industry. His extensive experience and dedication to technological advancement have positioned him as a key figure in the development of advanced photographic materials. His patents reflect a commitment to innovation and the enhancement of visual quality in photography.

Collaborations

Throughout his career, Shuto has collaborated with notable colleagues such as Hideo Ikeda and Takefumi Hara. These partnerships have allowed for a cross-pollination of ideas and research, leading to breakthroughs in photographic technology. The synergy among these talented individuals has undoubtedly played a role in Shuto's successful patent applications and advancements.

Conclusion

Sadanobu Shuto's contributions to the field of photography are noteworthy, as evidenced by his numerous patents and collaborative efforts. His dedication to improving photographic light-sensitive materials has paved the way for innovations that enhance color reproduction, particularly for skin tones. As technology continues to advance, Shuto's work remains an integral part of the ongoing evolution of photographic practices.

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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