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For the Inventor, By the Inventor

Cologne, Germany

Gunther Schenk

This inventor holds 16 USPTO granted patents. Top assignees: Agfa-Gevaert Ag, Agfa-Gevaert Aktiengesellshcaft, Afga-Gevaert Aktiengesellschaft. Active years: 1983-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gunther Schenk. Retrieved from https://idiyas.com/inventor/gunther-schenk

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 87(Granted Patents)


Location History:

  • Cologne, DE (1983 - 1990)
  • Bergisch Gladbach, DE (2000)

Company Filing History:

goldMedal13 out of 1,473 
 
Agfa-Gevaert Ag
 patents
silverMedal2 out of 21 
 
Agfa-Gevaert Aktiengesellshcaft
 patents
bronzeMedal1 out of 13 
 
Afga-Gevaert Aktiengesellschaft
 patents

Years Active: 1983-2000

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16 patents (USPTO):Explore Patents
1. 6013420 - Chromogenic process for the production of color images using a color (2000-01-11),
2. 4894312 - Dye diffusion process with base precursor salts of strong organic bases (1990-01-16),
3. 4865940 - Photographic recording material (1989-09-12),
4. 4847179 - Photographic dye diffusion transfer process and color photographic (1989-07-11),
5. 4840871 - Color photographic heat development process (1989-06-20),
6. 4816372 - Heat development process and color photographic recording material (1989-03-28),
7. 4810628 - Color photographic recording material capable of being developed by heat (1989-03-07),
8. 4770970 - Photographic heat development process and auxiliary sheet suitable (1988-09-13),
9. 4740446 - Heat development process and color photographic recording material (1988-04-26),
10. 4732839 - Alkali metal alginate surface layer for heat development process (1988-03-22),
11. 4689286 - Color photographic recording material developable by heat treatment (1987-08-25),
12. 4524123 - Chelatable 4-thienyl imidazole azo dyes, their use in color photographic (1985-06-18),
13. 4461827 - Color photographic recording material containing a non-diffusible dye (1984-07-24),
14. 4418143 - Color photographic recording material (1983-11-29),
15. 4396710 - Photographic recording material with metal complexable, heterocyclic azo (1983-08-02),

Title: Gunther Schenk: Innovator in Chromogenic Processes

Introduction

Gunther Schenk is a notable inventor based in Cologne, Germany, recognized for his significant contributions to the field of photographic technology. With a total of 16 patents to his name, Schenk has made remarkable advancements in the production of color images.

Latest Patents

Schenk's latest patents include a chromogenic process for the production of color images using a color photographic recording material. This process involves at least one light-sensitive silver halide emulsion layer, a thermosolvent, a color coupler, and a color developer compound. Additionally, he has developed a dye diffusion process that allows for the rapid production of dye diffusion images by utilizing specific materials and heating techniques.

Career Highlights

Throughout his career, Gunther Schenk has worked with prominent companies such as Agfa-Gevaert AG and Agfa-Gevaert Aktiengesellschaft. His work has significantly influenced the development of photographic materials and processes.

Collaborations

Schenk has collaborated with notable individuals in the industry, including Karl-Wilhelm Schranz and Peter Bergthaller. These collaborations have contributed to the advancement of his innovative processes.

Conclusion

Gunther Schenk's contributions to the field of photographic technology through his patents and collaborations highlight his role as a key innovator. His work continues to impact the industry and inspire future advancements in color 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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