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For the Inventor, By the Inventor

Cologne, Germany

Dirk Hubner

This inventor holds 6 USPTO granted patents. Top assignee: Agfa-Gevaert Ag. Active years: 1989-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dirk Hubner. Retrieved from https://idiyas.com/inventor/dirk-hubner

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 42(Granted Patents)


Location History:

  • Colonge, US (1991)
  • Cologne, DE (1989 - 1993)

Company Filing History:

goldMedal6 out of 1,473 
 
Agfa-Gevaert Ag
 patents

Years Active: 1989-1993

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6 patents (USPTO):Explore Patents
1. 5200306 - Color photographic recording material containing a coupler which (1993-04-06),
2. 5021330 - Color photographic recording material containing a coupler releasing a (1991-06-04),
3. 4897341 - Color photographic recording material containing a dir-coupler (1990-01-30),
4. 4870000 - Color photograhic recording material containing a coupler which releases (1989-09-26),
5. 4840880 - Color photographic recording material containing a yellow DIR coupler (1989-06-20),
6. 4833070 - Color photographic recording material containing a yellow DIR coupler (1989-05-23),

Title: Dirk Hubner: Innovator in Color Photographic Technology

Introduction

Dirk Hubner is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of color photographic technology, holding a total of 6 patents. His work focuses on the development of advanced photographic materials that enhance image quality and processing efficiency.

Latest Patents

Hubner's latest patents include innovative formulations for color photographic recording materials. One of his notable inventions involves a coupler that releases photographically active compounds when reacting with the oxidation product of a silver halide developer. This technology aims to improve the performance of multilayer color photographic recording materials. Additionally, he has developed couplers that produce high edge effects and interimage effects, which are crucial for achieving superior image quality in color photographic silver halide materials.

Career Highlights

Throughout his career, Dirk Hubner has been associated with Agfa-Gevaert AG, a leading company in imaging technology. His expertise in photographic materials has positioned him as a key figure in the industry, contributing to advancements that have shaped modern photographic practices.

Collaborations

Hubner has collaborated with esteemed colleagues such as Heinrich Odenwalder and Peter Bergthaller. These partnerships have fostered innovation and have been instrumental in the development of new photographic technologies.

Conclusion

Dirk Hubner's contributions to color photographic technology exemplify his commitment to innovation and excellence in the field. His patents continue to influence the industry, ensuring that photographic practices evolve with the demands of modern imaging.

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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