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Wettingen, Switzerland

Gretag Imaging Trading Ag

USPTO Granted Patents = 14

Forward Citations = 87

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21 inventors (with patents filed for the assignee):

Walter Kraft (4 out of 18 patents)

Dieter Franzke (2 out of 2 patents)

Armin Kündig (2 out of 2 patents)

4. Guido Keller (2 out of 4 patents)

5. Willy Koch (2 out of 3 patents)

6. Mathias Lehmann (1 out of 16 patents)

7. Beat Frick (1 out of 40 patents)

8. Adrian Kohlbrenner (1 out of 11 patents)

9. Hansjörg Rotach (1 out of 4 patents)

10. Peter Zolliker (1 out of 5 patents)

11. Franco Fracas (1 out of 1 patent)

12. Eni Scodellaro (1 out of 2 patents)

13. Stephan Waldner (1 out of 1 patent)

14. Georg Von Tobel (1 out of 1 patent)

15. Peter Kobel (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 6954549 - Local digital image property control with masks (2005-10-11),

2. 6783202 - Ink jet image producing device and process for its operation (2004-08-31),

3. 6736478 - Automatic image quality determination (2004-05-18),

4. 6715941 - Device for the wet chemical processing of photographic material (2004-04-06),

5. 6629746 - Reduction of artefacts in reproduced images (2003-10-07),

6. 6626110 - Apparatus for printing on sheet material (2003-09-30),

7. 6606170 - Apparatus for the manufacture of a photographic print (2003-08-12),

8. 6532058 - Photographic scanner with focus control (2003-03-11),

9. 6525754 - Photographic recording device with automatic loading and unloading of a band-shaped medium (2003-02-25),

10. 6498638 - Optimization apparatus for photographic image data (2002-12-24),

11. 6458492 - Mask changing the brightness profile of a photographic copy (2002-10-01),

12. 6392739 - Method for optimizing a copying light profile (2002-05-21),

13. 6353469 - Photographic image acquisition device (2002-03-05),

14. 6251572 - Process for producing prints (2001-06-26),

Gretag Imaging Trading AG is a renowned imaging technology company specializing in the development, manufacturing, and distribution of high-quality imaging products. With a rich history of innovation, Gretag Imaging Trading AG has consistently delivered cutting-edge solutions to the global imaging industry. Their range of products includes cameras, lenses, printers, and software, catering to both professional and consumer markets. With a strong commitment to quality and customer satisfaction, Gretag Imaging Trading AG continues to be a trusted name in the imaging technology sector.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#1 in Wettingen

#811 in Switzerland

#40,929 in the World

Wettingen, Switzerland

Gretag Imaging Trading Ag

Forward Citations = 87

21 inventors:

Walter Kraft (4 out of 18 patents)

Dieter Franzke (2 out of 2 patents)

Armin Kündig (2 out of 2 patents)

4. Guido Keller (2 out of 4 patents)

5. Willy Koch (2 out of 3 patents)

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