Kanagawa, Japan

Hiroyuki Ozaki

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignee: Fuji Photo Film Company, Limited. Active years: 1988-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Ozaki. Retrieved from https://idiyas.com/inventor/hiroyuki-ozaki-2cm107zz

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Minami-ashigara, JP (1989)
  • Kanagawa, JP (1988 - 1995)

Company Filing History:


Years Active: 1988-1995

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9 patents (USPTO):Explore Patents

Title: Hiroyuki Ozaki: Innovator in Color Photographic Materials

Introduction

Hiroyuki Ozaki is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of color photographic materials, holding a total of 9 patents. His innovative work has advanced the technology used in photographic processes, particularly in heat-developable materials.

Latest Patents

Ozaki's latest patents include a heat-developable color light-sensitive material. This invention comprises a support with at least three silver halide emulsion layers, each sensitive to different spectral wavelength regions. The design includes layers containing yellow, magenta, and cyan dye-providing compounds, enhancing color separation and sensitivity characteristics. Another notable patent is a heat-developable diffusion transfer color photographic material. This material features a light-sensitive silver halide and a non-diffusive dye donor compound, ensuring good color separability and image discrimination. The innovative design allows for excellent storage stability and minimal temperature dependence during development.

Career Highlights

Hiroyuki Ozaki is associated with Fuji Photo Film Company, Limited, where he has contributed to the development of advanced photographic technologies. His work has been instrumental in improving the quality and efficiency of photographic materials, making a lasting impact on the industry.

Collaborations

Ozaki has collaborated with notable coworkers, including Ken Kawata and Hideki Naito. Their combined expertise has fostered innovation and progress in the field of color photography.

Conclusion

Hiroyuki Ozaki's contributions to photographic technology through his patents and collaborations have significantly advanced the industry. His work continues to influence the development of high-quality photographic materials.

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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