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Frankfurt, Germany

Cerdec Aktiengesellschaft Keramische Farben

Calculating rank

USPTO Granted Patents = 28

Forward Citations = 169

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34 inventors (with patents filed for the assignee):

Gerhard Tunker (6 out of 6 patents)

Dietrich Speer (6 out of 26 patents)

Hans-Peter Letschert (5 out of 11 patents)

4. Andreas Schulz (5 out of 8 patents)

5. Adalbert Huber (5 out of 6 patents)

6. Martin Jansen (4 out of 31 patents)

7. Marco Hofler (4 out of 4 patents)

8. Hildegard Paulus (3 out of 3 patents)

9. Klaus-Dieter Fritsche (2 out of 7 patents)

10. Holger Jarnicki (2 out of 2 patents)

11. Gabriele Wachowitz (2 out of 2 patents)

12. Kai Dorer (2 out of 6 patents)

13. Bernd Dorbath (2 out of 6 patents)

14. Norbert Giesecke (2 out of 6 patents)

15. Oliver Heitmann (2 out of 2 patents)

Core Competencies:

Tantalum Nitride Pigments

Zirconium Pigments

Lead-Free Glass Composition

Ceramic Decoration

Color Saturation

Nanoporous Aluminum Oxide

Purple Pigments

Black Glass Frit

Oxide-Nitrides

Organosulfur Compounds

High-Temperature Firing

28 patents: Sort by Forward Citations

1. 6235103 - Tantalum (V) nitride pigments, process for the production thereof and use thereof (2001-05-22),

2. 6228160 - Stains which bake to a red-brown color, process for their preparation and their methods of use (2001-05-08),

3. 6180222 - Gold-containing nanoporous aluminum oxide membranes a process for their production and their use (2001-01-30),

4. 6174359 - Ceramic decoration coloring substances with increased color saturation comprising zirconium pigments, process for their production and their use (2001-01-16),

5. 6171383 - Bismuth manganese oxide green pigments (2001-01-09),

6. 6103312 - Process for the production of decorated tableware with increased (2000-08-15),

7. 6077797 - Green decoration coloring substance for high-temperature firing, process (2000-06-20),

8. 6063446 - Process for the production of decorated tableware with increased (2000-05-16),

9. 6057037 - Substrate coated with a lead-free glass composition (2000-05-02),

10. 6004391 - Pigments for the production of purple ceramic decoration, process for (1999-12-21),

11. 5939343 - Lead-free glass composition and the use thereof (1999-08-17),

12. 5843853 - Lead-free glass composition and its use (1998-12-01),

13. 5827789 - Lead-free glass composition and the use thereof (1998-10-27),

14. 5766336 - Colored pigments based on oxide-nitrides, the preparation and use thereof (1998-06-16),

15. 5721303 - Organosulfur gold compounds, a process for their production and their use (1998-02-24),

Company Overview

Cerdec Aktiengesellschaft Keramische Farben specializes in the development and manufacturing of advanced ceramic materials and coatings. The company focuses on high-performance solutions for various industries, including electronics, automotive, and aerospace. With a strong emphasis on research and innovation, Cerdec is dedicated to enhancing the properties of ceramic products, such as thermal stability and electrical conductivity, to meet the evolving demands of its global clientele. Headquartered in Frankfurt, Germany, Cerdec plays a pivotal role in the advancement of ceramic technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

28 Patents

#37 in Frankfurt

#1,698 in Germany

#23,299 in the World

Frankfurt, Germany

Cerdec Aktiengesellschaft Keramische Farben

Forward Citations = 169

34 inventors:

Gerhard Tunker (6 out of 6 patents)

Dietrich Speer (6 out of 26 patents)

Hans-Peter Letschert (5 out of 11 patents)

4. Andreas Schulz (5 out of 8 patents)

5. Adalbert Huber (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cerdec Aktiengesellschaft Keramische Farben. Retrieved from https://idiyas.com/company/cerdec-ag-keramische-farben

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

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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